1
|
Villalobos G, Sanchez-Aguillon F, Carmona-Maldonado MV, Gonzalez-Arenas NR, Lopez-Escamilla E, Hernandez-Castro R, Romero-Valdovinos M, Martinez-Flores WA, Ramirez-Hinojosa JP, Maravilla P, Martinez-Hernandez F. Unexpected Presence of Blastocystis Subtype 1-3 DNA in Human Vaginal and Sperm Samples Coinfected with Trichomonas vaginalis. Korean J Parasitol 2022; 60:195-200. [PMID: 35772738 PMCID: PMC9256282 DOI: 10.3347/kjp.2022.60.3.195] [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] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 06/12/2022] [Indexed: 11/23/2022]
Abstract
There have been few reports on extra-enteric infections by <i>Blastocystis</i> STs and none have been molecularly identified in samples from human reproductive organs. We report for the first time the identification of 3 different subtypes of <i>Blastocystis</i> (ST1-3) in vaginal and sperm samples, from patients infected with <i>Trichomonas vaginalis</i>. <i>Blastocystis</i> STs were identified by PCR-sequencing and by phylogenetic inferences using 28 vaginal swab samples and 7 sperm samples from patients trichomoniasis. <i>Blastocystis</i> STs were identified in 6 of 28 vaginal swabs (21.4%) and in 3 of 7 sperm samples (42.8%). In both biological samples, STs 1-3 were found; one vaginal sample showed subtype co-infection with ST1 and ST3. High genetic variation was observed in the sequences obtained and no specific clustering in the phylogenetic trees was detected. Most of the haplotypes identified were placed far from the main dispersal centers. Our finding suggested that incorrect cleaning of the genital area or a contamination by combination of anal and vaginal intercourse.
Collapse
Affiliation(s)
| | | | | | | | | | | | | | | | | | - Pablo Maravilla
- Hospital General “Dr. Manuel Gea Gonzalez”, Mexico City 14080,
Mexico
- Corresponding authors (; )
| | | |
Collapse
|
2
|
Ramirez-Hinojosa JP, Rodriguez-Sanchez Y, Romero-Gonzalez AK, Chavez-Gutierrez M, Gonzalez-Arenas NR, Ibarra-Arce A, Arroyo-Escalante S, Zavaleta-Villa B, Leon-Juarez M, Cruz-Holguin VJ, Espinosa de Los Monteros-Perez LE, Olivo-Diaz A, Hernandez-Castro R, Suarez-Roa L, Prado-Calleros H, Sierra-Martinez O, Avila-Ramirez G, Flisser A, Maravilla P, Romero-Valdovinos M. Association between cycle threshold (C t ) values and clinical and laboratory data in inpatients with COVID-19 and asymptomatic health workers. J Med Virol 2021; 93:5969-5976. [PMID: 34196423 PMCID: PMC8427125 DOI: 10.1002/jmv.27170] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 06/28/2021] [Indexed: 12/18/2022]
Abstract
In‐house assays for the diagnosis of severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) by quantitative reverse‐transcription polymerase chain reaction (qRT‐PCR), are feasible alternatives, particularly in developing countries. Cycle threshold (Ct) values obtained by qRT‐PCR were compared with clinical and laboratory data from saliva of inpatients with COVID‐19 and asymptomatic health workers (AHW) were studied. Saliva specimens from 58 inpatients confirmed by qRT‐PCR for SARS‐CoV‐2 using nasopharyngeal specimens, and 105 AHW were studied by qRT‐PCR using three sets of primers for the N (N1, N2, and N3) gene of SARS‐CoV‐2, according to the CDC Diagnostic Panel protocol, showing a positivity of 88% for inpatients and 8% for AHW. Bivariate analysis revealed an association between Ct < 38.0 values for N2 and mechanical ventilation assistance among patients (p = .013). In addition, values of aspartate‐transaminase, lactate dehydrogenase, and ferritin showed significant correlations with Ct values of N1 and N3 genes in inpatients. Therefore, our results show that Ct values correlate with some relevant clinical data for inpatients with COVID‐19.
Collapse
Affiliation(s)
| | | | | | | | | | - Aurora Ibarra-Arce
- División de Parasitología, Hospital General "Dr. Manuel Gea Gonzalez", Mexico City, Mexico
| | - Sara Arroyo-Escalante
- División de Parasitología, Hospital General "Dr. Manuel Gea Gonzalez", Mexico City, Mexico
| | - Beatriz Zavaleta-Villa
- División de Parasitología, Hospital General "Dr. Manuel Gea Gonzalez", Mexico City, Mexico
| | - Moises Leon-Juarez
- Departamento de Inmunobioquimica, Instituto Nacional de Perinatologia, Mexico City, Mexico
| | | | | | - Angelica Olivo-Diaz
- División de Parasitología, Hospital General "Dr. Manuel Gea Gonzalez", Mexico City, Mexico
| | | | - Lourdes Suarez-Roa
- División de Parasitología, Hospital General "Dr. Manuel Gea Gonzalez", Mexico City, Mexico
| | - Hector Prado-Calleros
- División de Parasitología, Hospital General "Dr. Manuel Gea Gonzalez", Mexico City, Mexico
| | | | - Guillermina Avila-Ramirez
- Microbiología y Parasitología, Facultad de Medicina, Universidad Nacional Autonoma de Mexico (UNAM), Mexico City, Mexico
| | - Ana Flisser
- Microbiología y Parasitología, Facultad de Medicina, Universidad Nacional Autonoma de Mexico (UNAM), Mexico City, Mexico
| | - Pablo Maravilla
- División de Parasitología, Hospital General "Dr. Manuel Gea Gonzalez", Mexico City, Mexico
| | | |
Collapse
|
3
|
Aldama Olmedo OM, Escobar M, Martínez MJ, Aldama M, Montoya Bueno C, Celias LF, Hernandez-Castro R, Arenas-Guzmán R, Pereira Brunelli JG. Necrotizing erythema nodosumin lepromatous leprosy associated with mixed infection by Mycobacterium lepromatosis and Mycobacterium leprae. Case report. Rev Nac (Itauguá) 2020. [DOI: 10.18004/rdn2020.dic.02.107.115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
|
4
|
Sanchez-Godoy F, Juarez-Murguia A, Hernandez-Castro R, Xicohtencatl-Cortes J, Martinez-Hernandez F, Hernandez-Velasco X. Characterization of aortic and brachiocephalic filariasis by Filarioidea sp (Nematoda:Spirurida:Filarioidea) in Mexican ramphastids. Int J Parasitol Parasites Wildl 2020; 11:282-286. [PMID: 32211290 PMCID: PMC7083752 DOI: 10.1016/j.ijppaw.2020.03.003] [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] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Revised: 03/07/2020] [Accepted: 03/08/2020] [Indexed: 11/19/2022]
Abstract
The manuscript presented herein documents the findings of filaria nematodes in 5 keel-billed toucans, and one emerald toucanet, originated from 2 private aviaries in Mexico City during two years. The birds displayed ruffled feathers, depression, inability to perch, convulsions, and sudden death. Furthermore, thickened wall of the aortic and brachiocephalic arteries, with connective tissue proliferation and chondroid metaplasia were observed. Molecular characterization matched Filarioidea sp (Nematoda: Spirurida: Filarioidea). To the authors' knowledge, this is the first documented report of filariae Filarioidea sp. causing mortality in ramphastids in Mexico. This manuscript may contribute to expand current knowledge of filariasis and the health risks and livability of wild birds.
Collapse
Affiliation(s)
- F.D. Sanchez-Godoy
- Department of Avian Medicine and Zootechnics, College of Veterinary Medicine and Zootechnics, National Autonomous University of Mexico (UNAM), Av. Universidad 3000, UNAM, C.U, 04510, Mexico City, Mexico
| | - A. Juarez-Murguia
- Private Practice at Petbird Veterinary Clinic Santa Fe, Chilenos 7, María G. García Ruíz, Álvaro Obregón, 01220, Mexico City, Mexico
| | - R. Hernandez-Castro
- Department of Pathogenic Agent Ecology, General Hospital “Dr. Manuel Gea González”, 14080, Mexico City, Mexico
| | - J. Xicohtencatl-Cortes
- Laboratory of Intestinal Bacteriology, Children Hospital of Mexico “Dr. Federico Gómez”, 06720, Mexico City, Mexico
| | - F. Martinez-Hernandez
- Department of Pathogenic Agent Ecology, General Hospital “Dr. Manuel Gea González”, 14080, Mexico City, Mexico
| | - X. Hernandez-Velasco
- Department of Avian Medicine and Zootechnics, College of Veterinary Medicine and Zootechnics, National Autonomous University of Mexico (UNAM), Av. Universidad 3000, UNAM, C.U, 04510, Mexico City, Mexico
- Corresponding author.
| |
Collapse
|
5
|
Rodríguez-Cerdeira C, Gregorio MC, Molares-Vila A, López-Barcenas A, Fabbrocini G, Bardhi B, Sinani A, Sánchez-Blanco E, Arenas-Guzmán R, Hernandez-Castro R. Biofilms and vulvovaginal candidiasis. Colloids Surf B Biointerfaces 2018; 174:110-125. [PMID: 30447520 DOI: 10.1016/j.colsurfb.2018.11.011] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Revised: 11/04/2018] [Accepted: 11/05/2018] [Indexed: 01/18/2023]
Abstract
Candida species, including C. albicans, are part of the mucosal flora of most healthy women, and inhabit the gastrointestinal and genitourinary tracts. Under favourable conditions, they can colonize the vulvovaginal mucosa, giving rise to symptomatic vulvovaginal candidiasis (VVC). The mechanism by which Candida spp. produces inflammation is unknown. Both, the blastoconidia and the pseudohyphae are capable of destroying the vaginal epithelium by direct invasion. Although the symptoms are not always related to the fungal burden, in general, VVC is associated with a greater number of yeasts and pseudohyphae. Some years ago, C. albicans was the species most frequently involved in the different forms of VVC. However, infections by different species have emerged during the last two decades producing an increase in causative species of VVC such as C. glabrata, C. parapsilosis, C. krusei and C. tropicalis. Candida species are pathogenic organisms that have two forms of development: planktonic and biofilm. A biofilm is defined as a community of microorganisms attached to a surface and encompassed by an extracellular matrix. This form of presentation gives microorganisms greater resistance to antifungal agents. This review, about Candia spp. with a special emphasis on Candida albicans discusses specific areas such as biofilm structure and development, cell morphology and biofilm formation, biofilm-associated gene expression, the cell surface and adherence, the extracellular matrix, biofilm metabolism, and biofilm drug resistance in vulvovaginitis biofilms as an important virulence factor in fungi.
Collapse
Affiliation(s)
- Carmen Rodríguez-Cerdeira
- Efficiency, Quality and Costs in Health Services Research Group (EFISALUD), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, Spain; Dermatology Department, Hospital do Meixoeiro and University of Vigo, Vigo, Spain; European Women's Dermatologic and Venereologic Society (EWDVS), Vigo, Spain.
| | - Miguel Carnero Gregorio
- Efficiency, Quality and Costs in Health Services Research Group (EFISALUD), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, Spain; Department of Biochemistry, Genetics and Immunology, University of Vigo, Vigo, Spain
| | - Alberto Molares-Vila
- Efficiency, Quality and Costs in Health Services Research Group (EFISALUD), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, Spain; Department of Department of Analytical & Food Chemistry, Universidade de Vigo (UVIGO), Spain
| | - Adriana López-Barcenas
- Efficiency, Quality and Costs in Health Services Research Group (EFISALUD), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, Spain; Mycology Service, Hospital Manuel Gea González, Mexico City, Mexico
| | | | | | - Ardiana Sinani
- Dermatology Service, Military Medical Unit, University Trauma Hospital, Tirana, Albania
| | | | | | | |
Collapse
|
6
|
Manjarrez-Hernandez A, Molina-López J, Gavilanes-Parra S, Hernandez-Castro R. Escherichia coli clonal group A among uropathogenic infections in Mexico City. J Med Microbiol 2016; 65:1438-1444. [DOI: 10.1099/jmm.0.000389] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Angel Manjarrez-Hernandez
- Dirección de Investigación, Hospital General Dr. Gea González, Tlalpan, Ciudad de México 14080, Mexico
- Departamento de Salud Pública, Facultad de Medicina, UNAM, Ciudad de México 04510, Mexico
| | - José Molina-López
- Departamento de Salud Pública, Facultad de Medicina, UNAM, Ciudad de México 04510, Mexico
- Laboratorio de Patogenicidad Bacteriana, Edificio de Investigación Hemato-Oncología 5to, Piso Hospital Infantil de México ‘Federico Gómez’, C.P. 06720 Ciudad de México, Mexico
| | - Sandra Gavilanes-Parra
- Departamento de Salud Pública, Facultad de Medicina, UNAM, Ciudad de México 04510, Mexico
- Dirección de Investigación, Hospital General Dr. Gea González, Tlalpan, Ciudad de México 14080, Mexico
| | | |
Collapse
|
7
|
Morales-Garcia MRMG, Lopez-Mendez J, Pless R, Garcia-Morales E, Kosanke H, Hernandez-Castro R, Bedi J, Lopez-Merino A, Velazquez-Guadarram N, Jimenez-Rojas L, Rontreras-Rodriguez A. Brucellosis outbreak in a rural endemic region of Mexico - a comprehensive investigation. Vet Ital 2016; 51:185-90. [PMID: 26455370 DOI: 10.12834/vetit.305.3393.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Brucellosis is a worldwide zoonotic disease. Generally, humans can be infected by either the consumption of raw milk and fresh cheeses made from unpasteurised milk or by contact with infected animals, mainly in endemic regions. In this study, we investigated a brucellosis outbreak in State of Guanajuato, an endemic region of Mexico. Microbiological culture of human blood, raw milk from cows and goats, and fresh cheeses was performed to isolate Brucella. Identification of the bacteria was done by bacteriological procedures and by multiplex Bruce-ladder polymerase chain reaction (PCR). Brucella melitensis was isolated from patients, infected goats, and fresh goat cheeses; while Brucella abortus was isolated from cows. All patients had eaten fresh cheese, but no occupational exposure to animals was reported. The results of molecular typing did not show any Brucella vaccine strains. The isolation, identification, and molecular characterisation of Brucella spp. in both human brucellosis cases and infected animals are very important to identify the source of infection and to take control measures in endemic regions.
Collapse
|
8
|
Morales-Espinosa R, Hernandez-Castro R, Delgado G, Mendez JL, Navarro A, Manjarrez A, Cravioto A. UPEC strain characterization isolated from Mexican patients with recurrent urinary infections. J Infect Dev Ctries 2016; 10:317-28. [PMID: 27130992 DOI: 10.3855/jidc.6652] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Revised: 07/29/2015] [Accepted: 07/29/2015] [Indexed: 10/31/2022] Open
Abstract
INTRODUCTION Any microorganism is capable of causing urinary tract infections (UTI). However, Uropathogenic Escherichia coli (UPEC) is responsible for the majority of UTI. A variety of virulence genes have been identified in UPEC. Diverse epidemiological studies support that specific subsets of genes are characteristic of each E. coli uropathogenic subtype involved in the development of cystitis, pyelonephritis, and urosepsis. METHODOLOGY Twenty-three E. coli strains isolated from women with cystitis, 25 from men with prostatitis were characterized according to serotype, virulence genes, PFGE profile and susceptibility antimicrobials. RESULTS E. coli O25:H4-ST131 was more frequently isolated from cystitis than prostatitis. The majority of cystitis strains presented almost all the virulence genes, contrary to 60% of prostatitis strains. The strains characterized by serology, PFGE and MLST and virulence profile showed that cystitis strains shared a lineage with their own genomic fingerprint, indicating that these strains derived from a common ancestor. The prostatitis strains showed serotypes diverse and much higher degree of genetic diversity, indicating that they are an unrelated group. More than 50% of isolates were resistant to at least 7 of the antimicrobials tested. Antibiotic-tolerant cells were observed, presenting with more frequency in response chloramphenicol, tetracycline, trimethoprim-sulfometoxazole and dicloxicillin. CONCLUSIONS Persister cells can be detected from the beginning of the infection. The importance of these persister cells that exhibit multidrug tolerance is that a single surviving bacterium can initiate again an infection making it clinical relevant in the chronic urinary tract infection.
Collapse
|
9
|
Rodriguez-Prado U, Jimenez-Gonzalez DE, Avila G, Gonzalez AE, Martinez-Flores WA, Mondragon de la Peña C, Hernandez-Castro R, Romero-Valdovinos M, Flisser A, Martinez-Hernandez F, Maravilla P, Martinez-Maya JJ. Short report: Genetic variation of Echinococcus canadensis (G7) in Mexico. Am J Trop Med Hyg 2014; 91:1149-53. [PMID: 25266350 DOI: 10.4269/ajtmh.14-0317] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
We evaluated the genetic variation of Echinococcus G7 strain in larval and adult stages using a fragment of the mitochondrial cox1 gen. Viscera of pigs, bovines, and sheep and fecal samples of dogs were inspected for cystic and canine echinococcosis, respectively; only pigs had hydatid cysts. Bayesian inferences grouped the sequences in an E. canadensis G7 cluster, suggesting that, in Mexico, this strain might be mainly present. Additionally, the population genetic and network analysis showed that E. canadensis in Mexico is very diverse and has probably been introduced several times from different sources. Finally, a scarce genetic differentiation between G6 (camel strain) and G7 (pig strain) populations was identified.
Collapse
Affiliation(s)
- Ulises Rodriguez-Prado
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, DF, México; Instituto Tecnológico de Milpa Alta, DF, Mexico; Facultad de Medicina, Departamento de Microbiologia y Parasitologia, Universidad Nacional Autonoma de Mexico, DF, Mexico; Escuela de Medicina Veterinaria, Universidad Mayor de San Marcos, Lima, Peru; Hospital General "Dr. Manuel Gea Gonzalez," DF, Mexico; Centro de Biologia Experimental, Universidad Autonoma de Zacatecas, Zacatecas, Mexico
| | - Diego Emiliano Jimenez-Gonzalez
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, DF, México; Instituto Tecnológico de Milpa Alta, DF, Mexico; Facultad de Medicina, Departamento de Microbiologia y Parasitologia, Universidad Nacional Autonoma de Mexico, DF, Mexico; Escuela de Medicina Veterinaria, Universidad Mayor de San Marcos, Lima, Peru; Hospital General "Dr. Manuel Gea Gonzalez," DF, Mexico; Centro de Biologia Experimental, Universidad Autonoma de Zacatecas, Zacatecas, Mexico
| | - Guillermina Avila
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, DF, México; Instituto Tecnológico de Milpa Alta, DF, Mexico; Facultad de Medicina, Departamento de Microbiologia y Parasitologia, Universidad Nacional Autonoma de Mexico, DF, Mexico; Escuela de Medicina Veterinaria, Universidad Mayor de San Marcos, Lima, Peru; Hospital General "Dr. Manuel Gea Gonzalez," DF, Mexico; Centro de Biologia Experimental, Universidad Autonoma de Zacatecas, Zacatecas, Mexico
| | - Armando E Gonzalez
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, DF, México; Instituto Tecnológico de Milpa Alta, DF, Mexico; Facultad de Medicina, Departamento de Microbiologia y Parasitologia, Universidad Nacional Autonoma de Mexico, DF, Mexico; Escuela de Medicina Veterinaria, Universidad Mayor de San Marcos, Lima, Peru; Hospital General "Dr. Manuel Gea Gonzalez," DF, Mexico; Centro de Biologia Experimental, Universidad Autonoma de Zacatecas, Zacatecas, Mexico
| | - Williams Arony Martinez-Flores
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, DF, México; Instituto Tecnológico de Milpa Alta, DF, Mexico; Facultad de Medicina, Departamento de Microbiologia y Parasitologia, Universidad Nacional Autonoma de Mexico, DF, Mexico; Escuela de Medicina Veterinaria, Universidad Mayor de San Marcos, Lima, Peru; Hospital General "Dr. Manuel Gea Gonzalez," DF, Mexico; Centro de Biologia Experimental, Universidad Autonoma de Zacatecas, Zacatecas, Mexico
| | - Carmen Mondragon de la Peña
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, DF, México; Instituto Tecnológico de Milpa Alta, DF, Mexico; Facultad de Medicina, Departamento de Microbiologia y Parasitologia, Universidad Nacional Autonoma de Mexico, DF, Mexico; Escuela de Medicina Veterinaria, Universidad Mayor de San Marcos, Lima, Peru; Hospital General "Dr. Manuel Gea Gonzalez," DF, Mexico; Centro de Biologia Experimental, Universidad Autonoma de Zacatecas, Zacatecas, Mexico
| | - Rigoberto Hernandez-Castro
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, DF, México; Instituto Tecnológico de Milpa Alta, DF, Mexico; Facultad de Medicina, Departamento de Microbiologia y Parasitologia, Universidad Nacional Autonoma de Mexico, DF, Mexico; Escuela de Medicina Veterinaria, Universidad Mayor de San Marcos, Lima, Peru; Hospital General "Dr. Manuel Gea Gonzalez," DF, Mexico; Centro de Biologia Experimental, Universidad Autonoma de Zacatecas, Zacatecas, Mexico
| | - Mirza Romero-Valdovinos
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, DF, México; Instituto Tecnológico de Milpa Alta, DF, Mexico; Facultad de Medicina, Departamento de Microbiologia y Parasitologia, Universidad Nacional Autonoma de Mexico, DF, Mexico; Escuela de Medicina Veterinaria, Universidad Mayor de San Marcos, Lima, Peru; Hospital General "Dr. Manuel Gea Gonzalez," DF, Mexico; Centro de Biologia Experimental, Universidad Autonoma de Zacatecas, Zacatecas, Mexico
| | - Ana Flisser
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, DF, México; Instituto Tecnológico de Milpa Alta, DF, Mexico; Facultad de Medicina, Departamento de Microbiologia y Parasitologia, Universidad Nacional Autonoma de Mexico, DF, Mexico; Escuela de Medicina Veterinaria, Universidad Mayor de San Marcos, Lima, Peru; Hospital General "Dr. Manuel Gea Gonzalez," DF, Mexico; Centro de Biologia Experimental, Universidad Autonoma de Zacatecas, Zacatecas, Mexico
| | - Fernando Martinez-Hernandez
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, DF, México; Instituto Tecnológico de Milpa Alta, DF, Mexico; Facultad de Medicina, Departamento de Microbiologia y Parasitologia, Universidad Nacional Autonoma de Mexico, DF, Mexico; Escuela de Medicina Veterinaria, Universidad Mayor de San Marcos, Lima, Peru; Hospital General "Dr. Manuel Gea Gonzalez," DF, Mexico; Centro de Biologia Experimental, Universidad Autonoma de Zacatecas, Zacatecas, Mexico
| | - Pablo Maravilla
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, DF, México; Instituto Tecnológico de Milpa Alta, DF, Mexico; Facultad de Medicina, Departamento de Microbiologia y Parasitologia, Universidad Nacional Autonoma de Mexico, DF, Mexico; Escuela de Medicina Veterinaria, Universidad Mayor de San Marcos, Lima, Peru; Hospital General "Dr. Manuel Gea Gonzalez," DF, Mexico; Centro de Biologia Experimental, Universidad Autonoma de Zacatecas, Zacatecas, Mexico
| | - Jose Juan Martinez-Maya
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, DF, México; Instituto Tecnológico de Milpa Alta, DF, Mexico; Facultad de Medicina, Departamento de Microbiologia y Parasitologia, Universidad Nacional Autonoma de Mexico, DF, Mexico; Escuela de Medicina Veterinaria, Universidad Mayor de San Marcos, Lima, Peru; Hospital General "Dr. Manuel Gea Gonzalez," DF, Mexico; Centro de Biologia Experimental, Universidad Autonoma de Zacatecas, Zacatecas, Mexico
| |
Collapse
|
10
|
Palacios-Arriaga JM, Gutierrez-Pabello JA, Chavez-Gris G, Hernandez-Castro R. Efficacy of florphenicol premix in weanling pigs experimentally infected with Actinobacillus pleuropneumoniae. Rev Latinoam Microbiol 2000; 42:27-33. [PMID: 10948826] [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: 02/17/2023]
Abstract
The efficacy of a florfenicol premix was studied in weaning pigs experimentally inoculated with Actinobacillus pleuropneumoniae. Twenty five clinically healthy pigs were distributed into 3 groups; group A non-medicated, groups B and C orally medicated with 20 and 40 ppm of florfenicol respectively. The pigs were fed during 12 consecutive days and on day 5 all the groups were challenged with A. pleuropneumoniae serotype 1. All the animals in Group A developed clinical signs. Most of the pigs in the medicated groups maintained a good health status. Postmortem examination revealed severe pleuropneumonia in pigs from the control group and pneumonic lesions in 40% of the animals treated with 20 ppm of florfenicol. Development of pleuropneumonia was prevented in all the pigs medicated with 40 ppm of florfenicol. Actinobacillus pleuropneumoniae was recovered from the lungs of all control animals and from one pig of each of the medicated groups, however, the avidin biotin peroxidase (ABC-P) method detected the presence of the microorganism in all the animals. We demonstrated that medication with feed containing 40 ppm of florfenicol blocked efficiently the signs and lesions caused by A. pleuropneumoniae and increased the daily body weight gain.
Collapse
Affiliation(s)
- J M Palacios-Arriaga
- Schering-Plough México, Veterinary Division, Universidad Nacional Autónoma de México, México, D. F.
| | | | | | | |
Collapse
|