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Odagiri K, Yoshizawa N, Sakihara H, Umeda K, Rahman S, Nguyen SV, Suzuki T. Development of Genotype-Specific Anti-Bovine Rotavirus A Immunoglobulin Yolk Based on a Current Molecular Epidemiological Analysis of Bovine Rotaviruses A Collected in Japan during 2017-2020. Viruses 2020; 12:v12121386. [PMID: 33287460 PMCID: PMC7761885 DOI: 10.3390/v12121386] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 11/28/2020] [Accepted: 11/29/2020] [Indexed: 12/24/2022] Open
Abstract
Bovine rotavirus A (RVA), a major causative pathogen of diarrhea in dairy and Japanese beef calves, has led to severe economic losses in numerous countries. A dual genotyping system based on genomic segments encoding VP7 (G genotype) and VP4 (P genotype), comprising the outer layer of the virion, has been used to understand the epidemiological dynamics of RVAs at the national and global levels. This study aimed to investigate occurrence frequency of G and P genotypes for multiple bovine RVAs from calf diarrheic samples collected in Japan from 2017 to 2020. After we produced anti-bovine RVA immunoglobulin yolks (IgYs) from hens immunized with the two RVAs with different genotypes (G6P[5] and G10P[11]) selected on the basis of the current epidemiological survey, we investigated cross-reactivity against bovine RVAs with different G and P combinations owing to establish a useful strategy to protect calves from RVA infections using the two IgYs. Consequently, the two produced anti-bovine IgYs showed strong cross-reactivity against bovine RVAs with the same G and/or P genotypes in neutralization assay, respectively. Therefore, our data suggest the possibility of a passive immunization to protect calves from a bovine RVA infections epidemic in Japan via oral administration of the two IgYs into calves. The findings presented herein will provide important information that IgY is one of the effective tools to prevent infections of various pathogens.
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Affiliation(s)
- Koki Odagiri
- Immunology Research Institute in Gifu, EW Nutrition Japan K.K., Gifu 501-1101, Japan; (K.O.); (H.S.); (K.U.); (S.R.); (S.V.N.)
| | - Nobuki Yoshizawa
- Division of Pathology and Pathophysiology, Hokkaido Research Station, National Institute of Animal Health, NARO, Sapporo, Hokkaido 062-0045, Japan;
- Ehime Prefectural Livestock Disease Diagnostic Center, Toon, Ehime 791-0212, Japan
| | - Hisae Sakihara
- Immunology Research Institute in Gifu, EW Nutrition Japan K.K., Gifu 501-1101, Japan; (K.O.); (H.S.); (K.U.); (S.R.); (S.V.N.)
| | - Koji Umeda
- Immunology Research Institute in Gifu, EW Nutrition Japan K.K., Gifu 501-1101, Japan; (K.O.); (H.S.); (K.U.); (S.R.); (S.V.N.)
| | - Shofiqur Rahman
- Immunology Research Institute in Gifu, EW Nutrition Japan K.K., Gifu 501-1101, Japan; (K.O.); (H.S.); (K.U.); (S.R.); (S.V.N.)
| | - Sa Van Nguyen
- Immunology Research Institute in Gifu, EW Nutrition Japan K.K., Gifu 501-1101, Japan; (K.O.); (H.S.); (K.U.); (S.R.); (S.V.N.)
| | - Tohru Suzuki
- Division of Pathology and Pathophysiology, Hokkaido Research Station, National Institute of Animal Health, NARO, Sapporo, Hokkaido 062-0045, Japan;
- Correspondence:
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Franco G. The 1711 rinderpest in Bernardino Ramazzini's XIII Oration and the COVID-19 public health emergency: facts and common aspects. Med Lav 2020; 111:321-325. [PMID: 32869768 PMCID: PMC7809953 DOI: 10.23749/mdl.v111i4.9672] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 06/12/2020] [Indexed: 11/22/2022]
Abstract
Although Bernardino Ramazzini is usually regarded only as the father of occupational medicine, his approach to fight the devastating rinderpest epidemic in 1711 is worth mentioning in the light of the public health emergency represented by Coronavirus Disease-2019 (COVID-19). This commentary (i) focuses on Ramazzini's xiii oration describing that event, (ii) analyses the approach suggested to fight the cattle epidemic and economic threats, (iii) highlights some similar aspects between the 1711 rinderpest epidemic and the current COVID-19 pandemic (team expertise, contagion transmissibility, drug treatment, preventive measures, decision timeliness).
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Silveira S, Falkenberg SM, Kaplan BS, Crossley B, Ridpath JF, Bauermann FB, Fossler CP, Dargatz DA, Dassanayake RP, Vincent AL, Canal CW, Neill JD. Serosurvey for Influenza D Virus Exposure in Cattle, United States, 2014-2015. Emerg Infect Dis 2020; 25:2074-2080. [PMID: 31625836 PMCID: PMC6810200 DOI: 10.3201/eid2511.190253] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Influenza D virus has been detected predominantly in cattle from several countries. In the United States, regional and state seropositive rates for influenza D have previously been reported, but little information exists to evaluate national seroprevalence. We performed a serosurveillance study with 1,992 bovine serum samples collected across the country in 2014 and 2015. We found a high overall seropositive rate of 77.5% nationally; regional rates varied from 47.7% to 84.6%. Samples from the Upper Midwest and Mountain West regions showed the highest seropositive rates. In addition, seropositive samples were found in 41 of the 42 states from which cattle originated, demonstrating that influenza D virus circulated widely in cattle during this period. The distribution of influenza D virus in cattle from the United States highlights the need for greater understanding about pathogenesis, epidemiology, and the implications for animal health.
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Snoeck CJ, Oliva J, Pauly M, Losch S, Wildschutz F, Muller CP, Hübschen JM, Ducatez MF. Influenza D Virus Circulation in Cattle and Swine, Luxembourg, 2012-2016. Emerg Infect Dis 2019; 24:1388-1389. [PMID: 29912692 PMCID: PMC6038750 DOI: 10.3201/eid2407.171937] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
We detected antibodies against influenza D in 80.2% of the cattle sampled in Luxembourg in 2016, suggesting widespread virus circulation throughout the country. In swine, seroprevalence of influenza D was low but increased from 0% to 5.9% from 2012 to 2014–2015.
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Zhang H, Porter E, Lohman M, Lu N, Peddireddi L, Hanzlicek G, Marthaler D, Liu X, Bai J. Influenza C Virus in Cattle with Respiratory Disease, United States, 2016-2018. Emerg Infect Dis 2018; 24:1926-1929. [PMID: 30226175 PMCID: PMC6154146 DOI: 10.3201/eid2410.180589] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
We identified influenza C virus (ICV) in samples from US cattle with bovine respiratory disease through real-time PCR testing and sequencing. Bovine ICV isolates had high nucleotide identities (≈98%) with each other and were closely related to human ICV strains (≈95%). Further research is needed to determine bovine ICV's zoonotic potential.
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Frost A, Vanselow B. Peter Bryan Spradbrow 1934-2017. Aust Vet J 2018; 96:3. [PMID: 29377084 DOI: 10.1111/avj.12663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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7
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Bierer BW. The Bovine Infectious Abortion Problem: Efforts toward Identification and Control in the United STates through 1940. Vet Herit 2016; 39:63-68. [PMID: 29144091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
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Abstract
A new influenza virus, genus D, isolated in US pigs and cattle, has also been circulating in cattle in France. It was first identified there in 2011, and an increase was detected in 2014. The virus genome in France is 94%–99% identical to its US counterpart, which suggests intercontinental spillover.
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Telldahl Y. Ageing Cattle: The Use of Radiographic Examinations on Cattle Metapodials from Eketorp Ringfort on the Island of Öland in Sweden. PLoS One 2015; 10:e0137109. [PMID: 26336086 PMCID: PMC4559407 DOI: 10.1371/journal.pone.0137109] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2015] [Accepted: 08/12/2015] [Indexed: 11/19/2022] Open
Abstract
In this paper conventional X-ray analysis of cattle metapodials is used to study the age structure of slaughtered cattle at Eketorp ringfort on the island of Öland, Sweden. The X-ray analyses suggest that several animals in both phases were slaughtered aged 4-8 years. More oxen/bulls than cows reached the advanced age of over 8 years, yet in phase III more oxen/bulls seem to have been slaughtered between the ages of 2 and 8 years. These differences may reflect a change in demand for meat related to the character of the site. The results also show a correlation between metapodials with a pathology connected to biomechanical stress and older animals. This suggests that male cattle were used both in meat production and as draught animals. Asymmetry in male metatarsals such as distal broadening of the lateral part of the medial trochlea was visible on the X-ray images. The bone element also indicates a denser outer cortex of the medial diaphysis in comparison to the inner medulla. This could be the result of repetitive mechanical stress. Two metatarsals from cows were documented with distal asymmetry indicating that cows were also used as working animals. Bone elements with changes in the articular surfaces were more common in metapodials from cows with an X-ray age of over 3-4 years. These results highlighted the slaughter age difference between oxen/bulls and cows, enabling a better understanding of animal husbandry and the selection of draught cattle at Eketorp ringfort.
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Affiliation(s)
- Ylva Telldahl
- Osteoarchaeological Research Laboratory, Department of Archaeology and Classical Studies, Stockholm University, Lilla Frescativägen 7, Stockholm, Sweden
- * E-mail:
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Franco-Luiz APM, Fagundes-Pereira A, Costa GB, Alves PA, Oliveira DB, Bonjardim CA, Ferreira PCP, Trindade GDS, Panei CJ, Galosi CM, Abrahão JS, Kroon EG. Spread of vaccinia virus to cattle herds, Argentina, 2011. Emerg Infect Dis 2015; 20:1576-8. [PMID: 25153340 PMCID: PMC4178398 DOI: 10.3201/eid2009.140154] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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Becker CAM, Thibault FM, Arcangioli MA, Tardy F. Loss of diversity within Mycoplasma bovis isolates collected in France from bovines with respiratory diseases over the last 35 years. Infect Genet Evol 2015; 33:118-26. [PMID: 25913158 DOI: 10.1016/j.meegid.2015.04.019] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Revised: 04/20/2015] [Accepted: 04/21/2015] [Indexed: 11/18/2022]
Abstract
Mycoplasma (M.) bovis has recently emerged as a major, worldwide etiological agent of bovine respiratory diseases leading to huge economic losses mainly due to high morbidity and mortality as well as poor growth rates. The spread of M. bovis infections between different animals, herds, regions or countries has been often reported to be connected to the movement of animals. However, despite recent considerable efforts, no universal subtyping method is yet available to trace M. bovis isolates circulation at an international scale. Moreover in France, the overall population diversity of M. bovis isolates has not been assessed since the early 1990s. This study was conducted to fill in these gaps. The genotypic diversity between sixty isolates collected in France over the last 35 years was assessed using two molecular subtyping methods that addressed either the long-term epidemiological relationships (Multi Locus Sequence Typing, MLST) or the genetic microvariations (Multiple Locus VNTR Analysis, MLVA) between isolates. Phenotypic diversity was also analyzed by using Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry (MALDI-TOF MS) to compare the main protein patterns of isolates. All proposed subtyping approaches were optimized and led to the same pattern in the French M. bovis population that consisted of two clusters, the first one comprising isolates collected before 2000 and the second, those collected after 2000. Recent strains were further shown to be more homogeneous than older ones, which is consistent with the spread of a single clone throughout the country. Because this spread was concomitant with the emergence of multiresistant M. bovis isolates, several hypotheses are discussed to explain the homogeneity of M. bovis isolates in France, even though the M. bovis species is fully equipped to generate diversity.
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Affiliation(s)
- Claire A M Becker
- Université de Lyon, VetAgro Sup, UMR Mycoplasmoses des Ruminants, F-69280 Marcy l'Etoile, France; Anses, Laboratoire de Lyon, UMR Mycoplasmoses des Ruminants, F-69364 Lyon Cedex 07, France.
| | - François M Thibault
- Institut de Recherche Biomédicale des Armées, HIA Desgenettes, F-69275 Lyon Cedex 03, France.
| | - Marie-Anne Arcangioli
- Université de Lyon, VetAgro Sup, UMR Mycoplasmoses des Ruminants, F-69280 Marcy l'Etoile, France; Anses, Laboratoire de Lyon, UMR Mycoplasmoses des Ruminants, F-69364 Lyon Cedex 07, France.
| | - Florence Tardy
- Anses, Laboratoire de Lyon, UMR Mycoplasmoses des Ruminants, F-69364 Lyon Cedex 07, France; Université de Lyon, VetAgro Sup, UMR Mycoplasmoses des Ruminants, F-69280 Marcy l'Etoile, France.
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Sabbatani S, Fiorini S. [Mycobacterium infection in prehistoric humans: co-evolution in remote ages]. Infez Med 2015; 23:83-93. [PMID: 25819058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The introduction of agriculture and animal husbandry at the end of the Mesolithic era, despite enabling a significant demographic growth through an increase in food storage and availability, caused new infectious noxae to enter the pathocoenosis. However in the Palaeolithic era, hunter-gatherers were already in contact with infectious diseases of animal origin, albeit episodically. Modern biomedical technologies allow us to estimate, with better approximation, how long mankind has been in contact with Mycobacterium tuberculosis. Archaeological finds, including human and animal remains (especially the aurochs), are particularly studied by palaeopathologists, as mycobacteria frequently cause bone involvement and this characteristic is of particular interest for palaeopathological (even macroscopic) studies; the interest is to detect the ancient DNA of MT, which is the cause of bone tuberculosis in skeletal remains as well as in mummies. According to our present knowledge, palaeopathological findings, confirmed by molecular techniques, suggest that tuberculosis in human skeletons goes back at most to 9000 years ago, while, in a veterinary environment, the most ancient DNA of MTBC to be detected in an American bison dates back about 17,000 years. The possibility of discovering archaeological finds making even more ancient human remains available leaves opens up the possibility of dating back to previous eras the transmission of MTBC infection to mankind. Phylogenetic works examining the available materials (DNAa) suggest that Mycobacterium tuberculosis, the cause of tuberculosis infection in humans and cattle (Aurochs), would have had a co-evolutionary process. On the basis of recent phylogenetic studies, the MTBC genome would have had a wide span of time to reach a suitable adjustment, co-evolving in geographical environments both at high and low host density. It is likely that the strains that did not show this strong "flexibility" underwent extinction, in favour of more versatile, adaptable strains, that are able to infect susceptible hosts "always" and in any environmental condition.
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Affiliation(s)
- Sandro Sabbatani
- U.O. Malattie Infettive, Policlinico S. Orsola-Malpighi; U.O. di Medicina Interna Ospedale di Budrio, Bologna, Italy
| | - Sirio Fiorini
- U.O. Malattie Infettive, Policlinico S. Orsola-Malpighi; U.O. di Medicina Interna Ospedale di Budrio, Bologna, Italy
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Cameron IA. Dr William Osler and the Pictou County cattle disease. Can Fam Physician 2013; 59:1095-1097. [PMID: 24130287 PMCID: PMC3796979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
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Song MJ, Kim H. Analysis of ethnoveterinary treatments for cattle (Bos indicus) diseases referred in Sanrimgyeongje including twelve volumes of literature from the 7th to the 18th century. J Ethnopharmacol 2011; 133:474-479. [PMID: 20965239 DOI: 10.1016/j.jep.2010.10.026] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2010] [Revised: 10/07/2010] [Accepted: 10/09/2010] [Indexed: 05/30/2023]
Abstract
AIM OF THE STUDY This study aims at a comprehensive analysis of ethnoveterinary treatment in the cattle-raising section of Sanrimgyeongje which covers 12 different volumes of literature including 4 Korean and 8 Chinese literatures from the 7th to the 18th century, with a special attention to the treatments for cattle diseases. MATERIALS AND METHODS The above mentioned literature was analyzed through several steps: translation of the Chinese text into Korean, identification of diseases, verification of medicinal materials and confirmation of scientific names. RESULTS As recorded in the thirteen references, this study shows that there are 143 medicinal materials which have been used as therapies for cattle diseases. Of these, 55 plant species belonging to 52 genera in 29 families had 100 modes of usages, while one species of fungus was used in one way. Likewise, 11 species of animals belonging to 11 genera in 10 families were utilized in 18 different methods. Lastly, 9 kinds of inorganic matters were used in 11 ways with another 4 kinds being useful in 14 different ways. Consequently, each of rinderpests, murrains, and hooves has been treated, respectively with 14, 10 and 3 types of medicinal decoctions made from 35, 18 and 15 kinds of medicinal materials. CONCLUSION This diversified usage of various medicinal materials is incomparable to the modern ethnoveterinary investigation which tends to focus strictly in plants. If additional studies were to be conducted on these treatments and all the medicinal materials used within them, various new treatments and medicines can be developed to supplement the pharmacopoeia of contemporary veterinary medicine.
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Affiliation(s)
- Mi-Jang Song
- School of Alternative Medicine and Health Science, Jeonju University, 303 Cheonjamro, Wansan-gu, Jeonju 560-759, Republic of Korea
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Derbyshire JB. The enigma of Pictou cattle disease. Can Vet J 2010; 51:1291-1294. [PMID: 21286334 PMCID: PMC2957042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Affiliation(s)
- J Brian Derbyshire
- Department of Pathobiology, University of Guelph, Guelph, Ontario N1G 2W1, Canada.
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Sabbatani S, Fiorino S. The plague of the Philistines and other pestilences in the Ancient World: exploring relations between the religious-literary tradition, artistic evidence and scientific proof. Infez Med 2010; 18:199-207. [PMID: 20956880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
In ancient times the term pestilence referred not only to infectious disease caused by Yersinia pestis, but also to several different epidemics. We explore the relations between references in the Bible and recent scientific evidence concerning some infectious diseases, especially the so-called Plague of the Philistines and leprosy. In addition, some considerations regarding possible connections among likely infectious epidemic diseases and the Ten Plagues of Egypt are reported. Evidence suggesting the presence of the rat in the Nile Valley in the II millennium BC is shown; a possible role of the rat in the plague spreading already in this historical period should be confirmed by these data. While the biblical tale in the Book of Samuel may well report an epidemic event resembling the plague, as to date this infectious disease remains unknown, it is not conceivable to confirm the presence of leprosy in the same age, because the little palaeopathologic evidence of the latter disease, in the geographic area corresponding to Egypt and Palestine, is late, dating back only to the II century AD.
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Ramazzini B. [13th lecture. Held on 9 November 1711]. Med Lav 2010; 101 Suppl 3:138-157. [PMID: 20942223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
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Zofío E, Conde-Salazar L, del Río E, Heras F. [Plaque of tinea circinata: infection from a cow]. Actas Dermosifiliogr 2008; 99:816-817. [PMID: 19091224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023] Open
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Rothenberg AB, Berdon WE, Woodard JC, Cowles RA. Hypervitaminosis A-induced premature closure of epiphyses (physeal obliteration) in humans and calves (hyena disease): a historical review of the human and veterinary literature. Pediatr Radiol 2007; 37:1264-7. [PMID: 17909784 DOI: 10.1007/s00247-007-0604-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2007] [Revised: 07/10/2007] [Accepted: 07/19/2007] [Indexed: 10/22/2022]
Abstract
Vitamin A toxicity in the infant, which now occurs rarely from dietary overdosage, was recognized in the 1940s as painful periostitis with rare progression to premature closure of the lower limb epiphyses. Decades later, most cases of vitamin A-induced premature epiphyseal closure (physeal obliteration) occur in pediatric dermatologic patients given vitamin A analogues. This phenomenon resembles a strange disease discovered in more recent years in calves with closed epiphyses of the hind limbs, known as hyena disease. This was a mystery until proved to be caused by vitamin A toxicity from enriched grain that causes the calves to have short hind limbs that resemble those of a hyena and gait disturbance. This historical review links the human and veterinary literature in terms of vitamin A-induced epiphyseal closure using a case report format of a 16-month-old human infant with closed knee epiphyses and gait disturbance that is reminiscent of hyena disease seen in calves.
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Affiliation(s)
- Alexis B Rothenberg
- Division of Pediatric Radiology, Department of Radiology, Columbia University College of Physicians and Surgeons, Morgan Stanley Children's Hospital of New York-Presbyterian, New York, NY 10032, USA
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Østerås O, Solbu H, Refsdal AO, Roalkvam T, Filseth O, Minsaas A. Results and Evaluation of Thirty Years of Health Recordings in the Norwegian Dairy Cattle Population. J Dairy Sci 2007; 90:4483-97. [PMID: 17699070 DOI: 10.3168/jds.2007-0030] [Citation(s) in RCA: 96] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The results are based on the Norwegian Cattle Health Recording System, which has been in place for the entire country since 1975. The dairy breeds in Norway consist of 94% Norwegian Red and 4% crossbreeds with Norwegian Red. No other breed consists of more than 0.5% of the total population. During the past 30 yr, there have been 11,563,692 dairy cows within the recording system, corresponding to 8,633,532 cow-years and 8,632,516 calvings. This population consisted of 3,038,675 first-calving cows. Altogether, 8,435,704 different diagnoses were recorded from 4,444,485 different cows each year. The general trend for all recordings was an increase in the incidence rate of all cases from 0.74 per 365 d at risk (cow-year) in 1976 to 1.36 in 1990, and then a decrease to 0.62 in 2002. The corresponding figures for cows treated per cow-year were 0.44 up to a maximum of 0.82, and then a decrease to 0.46 per cow-year in 2002. The most common diseases were acute (severe to moderate) clinical mastitis, chronic (mild) clinical mastitis, ketosis, milk fever, teat injuries, retained placenta, silent heat or anestrous, indigestion, cystic ovaries, and metritis. Clinical mastitis increased from 0.15 cows treated per cow-year in 1975 to 0.44 in 1994, and then decreased to 0.23 in 2002. Ketosis began at 0.10 in 1975, increased to 0.24 in 1985, and then decreased to 0.05 in 2005. For several of the most common diseases, there was a reduction of more than 50% from the 1990s to the years after 2000. Validation processes confirmed that this fluctuation reflected the general trend in the population. The disease recording system also reflected the known outbreaks of bovine respiratory syncytial virus during 1976, 1989 to 1990, and 1995. A marked increase in malformation diagnoses could be seen in 1986 and in 1989 and 1990. These could be related to the Chernobyl nuclear power plant accident in April 1986. The diagnosis that showed the most stability throughout these 30 yr was retained placenta. The 3 main reasons for the large fluctuation for many of the diseases could be the following: a breeding effect, an effect of preventive work, and an effect of changing the therapeutic attitude. Many of the actions taken to bring about improvements would not have been possible without a functioning and practical recording system. Our experience is that an organ-related diagnosis system with up to 60 or 70 different diagnoses will meet the needs of the dairy industry.
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Affiliation(s)
- O Østerås
- Department of The Norwegian Cattle Health Services, TINE Norwegian Dairies BA, 1431 As, Norway.
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Marti L. [Do cows get leprosy?]. J Med Cuneif 2007:42-44. [PMID: 18551902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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Affiliation(s)
- J Fisher
- School of Policy, University of Newcastle, NSW 2308, Australia.
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Gilfoyle D. Anthrax in South Africa: economics, experiment and the mass vaccination of animals, c. 1910-1945. Med Hist 2006; 50:465-90. [PMID: 17066129 PMCID: PMC1592638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Affiliation(s)
- Daniel Gilfoyle
- Wellcome Unit for the History of Medicine, 45-47 Banbury Road, Oxford OX2 6PE, UK
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25
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Abstract
This paper describes some of the major points of progress and challenges in health management of dairy cattle in the last 25 yr. A selection of the leading contributors in the field is acknowledged. Specific advances in the areas of transition cow management, epidemiology, udder health, applied immunology, housing design, calf health, and health-monitoring tools are described. The greatest advances in dairy health in the last 25 yr have been the shifts to disease prevention, rather than treatment, as well as from focus on individual animals to groups and herds. A fundamental advancement has been recognition of the multifactorial nature of almost all diseases of importance in dairy cattle. Epidemiology has been a critical new tool used to describe and quantify the interconnected risk factors that produce disease. Another major advance has been redefining disease more broadly, to include subclinical conditions (e.g., subclinical mastitis, ketosis, rumen acidosis, and endometritis). This expansion resulted both from improved technology to measure function at the organ level and, just as importantly, from the evolution of the health management paradigm in which any factor that limits animal or herd performance might be considered a component of disease. Links between cattle and people through consideration of environmental or ecosystem health are likely to further expand the concept of disease prevention in the future. Notable successes are decreases in the incidence of milk fever, clinical respiratory disease in adults, contagious mastitis, and clinical parasitism. There has also been improved protection through vaccination against coliform mastitis and bovine virus diarrhea. Since 1980, average herd size and milk production per cow have increased dramatically. Despite these increased demands on cows' metabolism and humans' management skills, the incidence of most common and important diseases has remained stable. Great progress has been made in understanding the biology of energy metabolism and immune function in transition dairy cows, the time at which the majority of disease occurs. Coupled with an emerging understanding of how best to provide for dairy cows' behavioral needs, transition cow management promises to be the foundation for progress in maintenance and enhancement of the health of dairy cows in the next 25 yr.
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Affiliation(s)
- S J LeBlanc
- Population Medicine, Ontario Veterinary College, University of Guelph, Ontario, N1G 2W1, Canada.
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26
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Kastner J, Powell D, Crowley T, Huff K. Scientific conviction amidst scientific controversy in the transatlantic livestock and meat trade. Endeavour 2005; 29:78-83. [PMID: 15935860 DOI: 10.1016/j.endeavour.2005.03.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2005] [Revised: 03/30/2005] [Accepted: 03/30/2005] [Indexed: 05/02/2023]
Abstract
A century before the outbreak of bovine spongiform encephalopathy (BSE), Great Britain and North America grappled with pleuro-pneumonia - a disease in cattle that had equally maddening consequences. Towards the end of the 19th century, this condition was at the heart of a transatlantic trade dispute that lasted for decades and attracted the attention of livestock farmers, diplomats, shipping moguls, veterinarians, public health regulators and journalists the world over. Scientific controversy aggravated the situation when there were doubts about the scientific judgment of Privy Council veterinary officials, who were simultaneously conducting disease-diagnosis activities and pushing for tighter regulations at British ports. At this point, William Williams, principal of the New Veterinary College in Edinburgh, waded into this troubled arena. His strong convictions spawned a long-running disagreement with the British Government over the diagnoses of pleuro-pneumonia in cattle imported from the USA and Canada.
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Affiliation(s)
- Justin Kastner
- Department of Diagnostic Medicine/Pathobiology, K-226 Mosier Hall, Kansas State University, Mahattan, Kansas 66506, USA.
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27
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[Instruments, books and other objects memorable to (almost) forgotten opinions, therapies, buildings, et cetera. Sign use in prevention and control of cattle warble infestation]. Tijdschr Diergeneeskd 2005; 130:193. [PMID: 15796497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
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28
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29
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Dittmar K, Teegen WR. The presence of Fasciola hepatica (liver-fluke) in humans and cattle from a 4,500 year old archaeological site in the Saale-Unstrut valley, Germany. Mem Inst Oswaldo Cruz 2003; 98 Suppl 1:141-3. [PMID: 12687774 DOI: 10.1590/s0074-02762003000900021] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
During an excavation of a site of the corded ware culture in the Saale-Unstrut-Valley (ca. 3000 BC) in Germany, a soil sample from the pelvis of a human skeleton was studied under palaeoparasitological aspects. Eggs of the trematode Fasciola hepatica and of the nematode genus Capillaria were found. This is the first case of a direct association of a F. hepatica-infestation to both a prehistoric human skeleton and domesticated animal remains. Sheep and cattle bones were present at the same site and F. hepatica eggs were found in bovine samples. This strongly points toward an existing infection cycle, involving humans as a final host.
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Affiliation(s)
- K Dittmar
- Department of Zoology, Brigham Young University, Provo, Utah, USA.
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30
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Fisher J. To kill or not to kill: the eradication of contagious bovine pleuro-pneumonia in western Europe. Med Hist 2003; 47:314-331. [PMID: 12905917 PMCID: PMC1044631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Figures] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Affiliation(s)
- John Fisher
- School of Policy, Faculty of Business and Law, University of Newcastle, Callaghan, New South Wales 2308, Australia
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31
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Abstract
Contagious bovine pleuropneumonia (CBPP) was first introduced in Tanzania in 1916 and was eradicated in 1964. The disease re-emerged in the country in 1990 and since then it has spread widely, threatening the entire national cattle herd. Because of lack of a clear disease-control policy, uncontrolled cattle movements, lack of public awareness and commitment, ineffective legislation, attempts to control and eradicate the disease for the last 10 years have failed. We reviewed the methods that were used to control CBPP in Tanzania during the 1916-1964 and 1990 episodes.
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Affiliation(s)
- L J M Kusiluka
- Department of Veterinary Medicine and Public Health, Sokoine University of Agriculture, P.O. Box 3021, Morogoro, Tanzania.
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32
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Mancini R, Ippolito G. [Anthrax and carbuncle: two sides of the same coin]. Infez Med 2003; 11:108-13. [PMID: 15020857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
The disease caused by Bacillus anthracis is one of the most critical concerns to the general public and public health authorities due both to the anthrax cases caused by the intentional release of the germ in the USA at the close of 2001 when letters and packages were contaminated with anthrax spores, and the current threat of biological warfare. After a brief excursus on the history of the terms Anthrax and Carbuncle, we survey the main evidence of anthrax found in the ancient literature, and deal with the identification of the pathogenic agent responsible for the disease and the subsequent discovery of the first anthrax vaccine and its use in order to control the spread of the disease in the cattle. Finally, we examine some of the most important episodes of occupational exposure to the Bacillus anthracis that occurred in the past two centuries and the preventive measures applied both to employees and the workplace.
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Affiliation(s)
- Renata Mancini
- Istituto Nazionale per le Malattie Infettive Lazzaro Spallanzani, IRCCS, Roma, Italy
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33
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Abstract
The objective of eliminating foot and mouth disease (FMD) in Brazil has been mainly motivated by the constant preoccupation of Brazilian authorities, livestock breeders and the meat industry with avoiding economic losses due to export restrictions. In 1934, the first national sanitary legislation was enacted, and the Pan-American Foot and Mouth Disease Center in Rio de Janeiro was inaugurated in 1951, with international participation. An overview is given of the past campaigns against FMD, the legislation, policies and field activities. The reasons for the failure of the past campaigns are discussed. The structure of the existing campaign and the present epidemiological situation are explained, and the further possibilities of being recognized as an FMD-free country are discussed.
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Affiliation(s)
- F L Mayen
- Universidade Estadual do Norte Fluminense, CCTA-LSA, Campos dos Goytacazes, RJ, Brazil.
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34
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Köhler M, Köhler W. Zentralblatt für Bakteriologie--100 years ago Aladár aujeszky detects a 'new' disease--or: it was the cow and not the sow. Int J Med Microbiol 2003; 292:423-7. [PMID: 12635925 DOI: 10.1078/1438-4221-00233] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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35
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Abstract
The Usangu Wetland in the Southern Highlands of Tanzania has always been a major livestock production area. This paper describes the physical and social enviroment of these Plains before presenting a short history of the veterinary services in the area. The main part of the paper examines, through historical records and interviews with livestock owners and administrative officials, the history of the major diseases affecting livestock.
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Affiliation(s)
- R T Wilson
- Bartridge House, Umberleigh, North Devon, EX37 9AS, UK
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36
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Theves G. [Rural dairies and tuberculosis of cattle in Luxemburg]. Hist Med Vet 2003; 28:89-97. [PMID: 15382332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
The author presents in a short overview the development of the dairies in the Grand-Duchy of Luxembourg as well as the control of tuberculosis in milk-cattle from the end of the 19th Century until the 1960ies.
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37
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Nielsen K. On the founder of the Danish Veterinary School: Peter Christian Abildgaard, and the inventor of the first efficient treatment for milk fever: Jørgen Jørgensen Schmidt. Acta Vet Scand Suppl 2003; 97:7-8. [PMID: 14621390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/27/2023]
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38
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Assadian O, Stanek G. Theobald Smith--the discoverer of ticks as vectors of disease. Wien Klin Wochenschr 2002; 114:479-81. [PMID: 12422586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023]
Abstract
The cause of Texas fever in cattle, which is characterised by lysis of erythrocytes leading to anaemia, icterus, haemoglobinuria, and death, remained unsolved for many decades and assorted theories were proposed as an explanation for a disease being transmitted by apparently healthy animals. From 1889 to 1893, Theobald Smith and Frederick L. Kilbourne could demonstrate in elegantly conducted experiments how the disease was spread from cattle to cattle by ticks serving as the vector of transmission. Furthermore, they were able to identify the pathogen of Texas fever, an intra-erythrocytic protozoan which Smith named Pyrosoma bigeminum. Today it is recognised that either of two species of the now renamed genus Babesia, Babesia bigemina and Babesia bovis, may be involved in Texas fever and that babesiosis is generally transmitted by ticks. In animals, genera like Boophilus spp., Dermacentor spp. and Rhipicephalus spp. are possible vectors. The first case of tick-transmitted babesiosis in a human was reported by Skrabalo and Deanovic in 1957 and occurred near Ljubliana in the small town of Strmec, Croatia. In humans, the vectors of most reported cases are ticks of the genus Ixodes, which are among the most predominant ticks in Austria. However, cases of human babesiosis in Austria remain to be studied. Smith and Kilbourne's work was the first demonstration that ticks transmit disease of any kind. Furthermore, by proving that ticks carry Babesia microti--which causes babesiosis in animals and humans--this is the first account of a zoonotic disease and the foundation of all later work on the animal host and the arthropod vector.
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Affiliation(s)
- Ojan Assadian
- Clinical Institute of Hygiene and Medical Microbiology, University of Vienna, Vienna, Austria.
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39
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Thalmann G, Nöckler A. [Occurrence of foot and mouth disease--a historical survey]. Dtsch Tierarztl Wochenschr 2001; 108:484-94. [PMID: 11822161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
FMD--the most economically significant animal disease in the world during the last two centuries--has caused the last great panzootic from 1965 to 1967 in Europe. Since then it has become possible to eradicate centres of the epidemic still being present on the continent, mainly by means of the annual mass vaccination of cattle combined with rigid antiepizootic measures which include culling of infected animals. During the years after however there has been sporadic outbreaks again and again. They were mainly caused by virus that escaped from FMD laboratories and by the application of vaccines with residual infectiousity but also to an increasing extent they resulted from virus brought in from endemic regions of the world. The now as before high incidence of FMD in Asia and in wide parts of Africa and South America--after all 71 countries in these regions have been affected by outbreaks of FMD, the classic carrier disease, from 1998 to 2000--resulted in the spread of virus over far distances due to the globalization of world trade and the increasing traveling favoured by modern traffic facilities. Since 1980 in Europe particularly virus strains from the Middle East but also from other parts of Northern Africa and Asia have dominated the epidemiological situation such as the current epizootic in the United Kingdom and the outbreaks resulting from in three other member states of the European Union. In accordance with the EU guidelines the control of occurring outbreaks is exclusively carried out by stamping out. The limits of this procedure have become clearly obvious during the current epizootic in Britain. The use of emergency vaccination in the Netherlands shows a practicable alternative to the excessive mass culling of both infected animals and those being suspected of. The plurality and variability of the causative agent require a permanent observation of the epidemiological situation and of the virus strains involved in order to prevent the disease and to ensure the diagnosis and the topicality of the vaccines being available in the vaccine banks. Long-term success in the global combat against FMD can only be achieved on the basis of close international co-operation intended to restrain the disease significantly in the still endemically infected regions.
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Affiliation(s)
- G Thalmann
- Veterinärinstitut Oldenburg mit Aussenstelle Stade
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40
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Abstract
Oral anticoagulation originated with the discovery of the harmful agent causing "sweet clover disease" in cattle in North America in the 1920s. The causative agent dicoumarol was isolated in Link's laboratory in 1940. A range of related compounds was then synthesized, the most popular of which proved to be warfarin. Oral anticoagulant administration posed problems of individual variation in response to these drugs and the need for regular laboratory monitoring by prothrombin time (PT). Monitoring problems arose from the introduction in the 1950s of some poorly responsive commercial tissue extracts for use as tissue extract thromboplastin reagent in the PT. More oral anticoagulant drug was then needed to prolong the test to the required therapeutic targets, with a resultant increase in bleeding. It was not until 1983 that the problem was resolved and it was shown that the less intense UK-type regimen was just as effective as the higher North American type dosage in the prevention of venous thrombosis but caused much less bleeding. This study led to the widespread adoption of the "low-dose warfarin" regimen that, combined with the World Health Organization PT standardization scheme using the international normalized ratio (INR), has led to improved effectiveness and safety of oral anticoagulation. This has permitted increased administration of warfarin in a widening spectrum of clinical disorders. The last remaining problem is the limited success of doctors in achieving the therapeutic INR targets, which may be improved by computer-assisted dosage.
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Affiliation(s)
- B M Duxbury
- Chase Farm Hospital, Enfield, Middlesex, United Kingdom
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41
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42
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Matthews S. The cattle plague in Cheshire, 1865-1866. North Hist 2001; 38:107-119. [PMID: 18630384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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43
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Vallat F. [Epizootics in France from 1700 to 1850: a clinical inventory of cattle and sheep]. Hist Soc Rurales 2001:67-104. [PMID: 19663072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
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44
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Abstract
Organised disease control started in the Netherlands in the 18th century with governmental attempts to eradicate cattle plague. At the beginning of the 20th century, the dairy industry and cattle breeding organisations initiated a programme to control infectious diseases by means of a complex system of rewards and penalties. This was also the reason for establishing the Animal Health Service in Friesland in 1919. The history of programmes to control paratuberculosis in sheep, goats, and cattle in various countries is described. The vaccination of young animals seems to be an effective measure in the prevention of clinical paratuberculosis, although changes in management and hygiene practices are also important. A control programme for infectious cattle diseases has a number of phases (a lifecycle) and different components. Two components are essential for success, namely: open and regular communication with farmers, veterinary practitioners, and other people involved and a good registration and identification system for cattle, herds, and veterinary practitioners. The Dutch paratuberculosis programme has 10 herd status levels: 5-10 for non-suspect herds and 1-4 for infected herds or herds of unknown status. The higher the status, the greater the chance that a herd is free of paratuberculosis. An outline is given of the Dutch paratuberculosis programme including its objectives, basic principles for eradication, communication plan, legal action, logistic considerations, and complementary research programme.
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Affiliation(s)
- G Benedictus
- Animal Health Service, PO Box 361, 9200 AJ, Drachten, Netherlands.
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45
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Zocchetti C. [Bernardino Ramazzini. Ante litteram epidemiologist]. Epidemiol Prev 2000; 24:276-81. [PMID: 11219205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
Bernardino Ramazzini, born in Carpi in 1633 and deceased in Padua in 1714, is universally renowned father and founder of occupational health. This paper will present Bernardino Ramazzini under a different perspective, and will show that during his scientific career he continuously maintained the attitude of a modern epidemiologist. Reviewing all his scientific papers, and many papers commenting his activity, we present four major areas in which Ramazzini expressed in a direct and convincing way his epidemiologic culture: the epidemiologic constitutions and the work done mainly on physical subjects while he was in Modena; the general architecture of his most important book (De Morbis Artificum Diatriba); the first full description of an episode of environmental pollution which occurred in Finale Emilia in 1689 (in his book this episode is reported in the chapter describing the diseases of chemicals); the opening lectures of some academic years he gave while he was teaching, mainly, in Padua. To our knowledge the epidemiological attitude of Bernardino Ramazzini is not recognized yet in epidemiology textbooks.
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Affiliation(s)
- C Zocchetti
- Osservatorio epidemiologico, Regione Lombardia
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46
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Affiliation(s)
- J R Fisher
- Department of Economics, University of Newcastle, New South Wales
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47
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Abstract
Rinderpest is an ancient plague of cattle and other large ruminants, with descriptions of its effects dating back to Roman times. It is caused by a morbillivirus closely related to human measles virus. Although a very effective vaccine is available, it is heat labile, and logistical and financial problems hamper its delivery to the remote areas of Africa and Asia where enzootic foci remain. Periodic epizootics emerge from these foci and spread into neighboring areas, mainly as a result of uncontrolled livestock movement and trading. This is particularly true during wars or civil disturbances when normal veterinary controls do not operate. The disease continues to cause devastating economic losses in domestic livestock in areas of the world where it remains endemic.
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Affiliation(s)
- T Barrett
- Institute for Animal Health, Pirbright Laboratory, Surrey, United Kingdom
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48
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Strom C. Texas fever and the dispossession of the Southern yeoman farmer. J South Hist 2000; 66:49-74. [PMID: 17896447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
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49
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Abstract
When Loeffler took his first steps in the newly-emerging field of virology, the aim and the methods of his research activities were influenced by two different issues: 1) Loeffler was rooted in the scientific paradigm of bacteriology, but during the progress of his research on foot-and-mouth-disease (FMD) he recognized that the classical techniques derived from bacteriology were useless in identifying the agent of this disease. Thus he focussed on the properties of the pathogen and--though he could not find a method in order to visualize the 'virus'--he tried to develop a vaccine against the disease. 2) The Prussian Government was highly interested in effectively combatting FMD. In 1897 Loeffler was appointed by the Ministry of Cultural Affairs to the newly-established commission for exploring that disease. The agricultural lobbies and the public pursued the activities of the commission with a mixture of hope and serious scepticism and demanded convincing results. These circumstances caused a considerable degree of political pressure on Loeffler, pressure which determined that his research activities would take a pragmatic approach, that he would avoid sophisticated reflections and trials on the nature of the 'virus', and that his research strategies would have as a goal the development of an effective immunization.
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Affiliation(s)
- H P Schmiedebach
- Institut für Geschichte der Medizin, Greifswald, Federal Republic of Germany
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50
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Bové JM. The one-hundredth anniversary of the first culture of a mollicute, the contagious bovine peripneumonia microbe, by Nocard and Roux, with the collaboration of Borrel, Salimbeni, and Dujardin-Baumetz. Res Microbiol 1999; 150:239-45. [PMID: 10376485 DOI: 10.1016/s0923-2508(99)80048-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- J M Bové
- Laboratoire de Biologie Cellulaire et Moléculaire, INRA et Université Victor Segalen Bordeaux 2, Villenave d'Ornon, France
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