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Freu G, Gioia G, Gross B, Biscarini F, Virkler P, Watters R, Addis MF, Franklin-Guild RJ, Runyan J, Masroure AJ, Bronzo V, Dos Santos MV, Moroni P. Frequency of non-aureus staphylococci and mammaliicocci species isolated from quarter clinical mastitis: a six-year retrospective study. J Dairy Sci 2023:S0022-0302(23)00829-9. [PMID: 38056569 DOI: 10.3168/jds.2023-24086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 08/14/2023] [Accepted: 11/03/2023] [Indexed: 12/08/2023]
Abstract
Non-aureus staphylococci and mammaliicocci (NASM) are the most frequently isolated bacterial group from bovine milk samples. Most studies focus on subclinical mastitis caused by NASM, however NASM can cause clinical mastitis (CM) as well. We evaluated retrospective data from 6 years (2017-2022) to determine the species and frequency of NASM isolated from quarter bovine CM. The data comprised of microbiological results from quarter CM samples routinely submitted to Quality Milk Production Services (QMPS), Cornell University, NY, US, for microbial identification by MALDI-TOF MS. A total of 9,909 microbiological results from 410 dairy herds were evaluated. Our results showed that 29 distinct NASM species were identified, with the 8 most prevalent NASM species being Staphylococcus chromogenes, S. haemolyticus, S. simulans, S. epidermidis, S. sciuri (now Mammaliicoccus sciuri), S. agnetis/S. hyicus, S. borealis, and S. xylosus. The NASM distribution remained similar among seasons, but the frequency of NASM CM cases was higher during the summer. Our results showed different patterns of variations in the isolation frequency over time, depending on the bacterial species: increasing or decreasing trends, cyclic fluctuations, and except for S. borealis, a significant seasonality effect for our study's most prevalent NASM was observed. This study showed that S. chromogenes remains the most frequent (43%) NASM species identified from bovine CM, followed by S. haemolyticus (18%), and S. simulans (12%).
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Affiliation(s)
- G Freu
- Department of Animal Nutrition and Production, School of Veterinary Medicine and Animal Science, University of São Paulo (USP), Pirassununga, 13635-900, São Paulo, Brazil; Department of Veterinary Medicine and Animal Sciences - DIVAS, University of Milan, 26900, Lodi, Italy; Laboratorio di Malattie Infettive degli Animali - MiLab, University of Milan, Lodi, 26900, Italy
| | - G Gioia
- Quality Milk Production Services, Animal Health Diagnostic Center, Cornell University, Ithaca, NY 14853, USA
| | - B Gross
- Quality Milk Production Services, Animal Health Diagnostic Center, Cornell University, Ithaca, NY 14853, USA
| | - F Biscarini
- National Research Council, Institute of Agricultural Biology and Biotechnology (CNR-IBBA), 20133, Milan, Italy
| | - P Virkler
- Quality Milk Production Services, Animal Health Diagnostic Center, Cornell University, Canton, NY 13617, USA
| | - R Watters
- Quality Milk Production Services, Animal Health Diagnostic Center, Cornell University, Warsaw, NY 14569, USA
| | - M F Addis
- Department of Veterinary Medicine and Animal Sciences - DIVAS, University of Milan, 26900, Lodi, Italy; Laboratorio di Malattie Infettive degli Animali - MiLab, University of Milan, Lodi, 26900, Italy
| | - R J Franklin-Guild
- Bacteriology, Animal Health Diagnostic Center, Cornell University, Ithaca, NY 14853, USA
| | - J Runyan
- Bacteriology, Animal Health Diagnostic Center, Cornell University, Ithaca, NY 14853, USA
| | - A J Masroure
- Department of Veterinary Medicine and Animal Sciences - DIVAS, University of Milan, 26900, Lodi, Italy; Laboratorio di Malattie Infettive degli Animali - MiLab, University of Milan, Lodi, 26900, Italy
| | - V Bronzo
- Department of Veterinary Medicine and Animal Sciences - DIVAS, University of Milan, 26900, Lodi, Italy; Laboratorio di Malattie Infettive degli Animali - MiLab, University of Milan, Lodi, 26900, Italy
| | - M V Dos Santos
- Department of Animal Nutrition and Production, School of Veterinary Medicine and Animal Science, University of São Paulo (USP), Pirassununga, 13635-900, São Paulo, Brazil
| | - P Moroni
- Department of Veterinary Medicine and Animal Sciences - DIVAS, University of Milan, 26900, Lodi, Italy; Laboratorio di Malattie Infettive degli Animali - MiLab, University of Milan, Lodi, 26900, Italy; Quality Milk Production Services, Animal Health Diagnostic Center, Cornell University, Ithaca, NY 14853, USA.
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Monistero V, Graber HU, Pollera C, Cremonesi P, Castiglioni B, Bottini E, Ceballos-Marquez A, Lasso-Rojas L, Kroemker V, Wente N, Petzer IM, Santisteban C, Runyan J, Veiga Dos Santos M, Alves BG, Piccinini R, Bronzo V, Abbassi MS, Said MB, Moroni P. Staphylococcus aureus Isolates from Bovine Mastitis in Eight Countries: Genotypes, Detection of Genes Encoding Different Toxins and Other Virulence Genes. Toxins (Basel) 2018; 10:toxins10060247. [PMID: 29914197 PMCID: PMC6024761 DOI: 10.3390/toxins10060247] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [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: 04/24/2018] [Revised: 06/15/2018] [Accepted: 06/15/2018] [Indexed: 11/16/2022] Open
Abstract
Staphylococcus aureus is recognized worldwide as one of the major agents of dairy cow intra-mammary infections. This microorganism can express a wide spectrum of pathogenic factors used to attach, colonize, invade and infect the host. The present study evaluated 120 isolates from eight different countries that were genotyped by RS-PCR and investigated for 26 different virulence factors to increase the knowledge on the circulating genetic lineages among the cow population with mastitis. New genotypes were observed for South African strains while for all the other countries new variants of existing genotypes were detected. For each country, a specific genotypic pattern was found. Among the virulence factors, fmtB, cna, clfA and leucocidins genes were the most frequent. The sea and sei genes were present in seven out of eight countries; seh showed high frequency in South American countries (Brazil, Colombia, Argentina), while sel was harboured especially in one Mediterranean country (Tunisia). The etb, seb and see genes were not detected in any of the isolates, while only two isolates were MRSA (Germany and Italy) confirming the low diffusion of methicillin resistance microorganism among bovine mastitis isolates. This work demonstrated the wide variety of S. aureus genotypes found in dairy cattle worldwide. This condition suggests that considering the region of interest might help to formulate strategies for reducing the infection spreading.
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Affiliation(s)
- Valentina Monistero
- Department of Veterinary Medicine, University of Milan, via Celoria 10, 20133 Milan, Italy.
| | - Hans Ulrich Graber
- Agroscope, Research Division, Food Microbial Systems, Schwarzenburgstrasse 161, 3003 Bern, Switzerland.
| | - Claudia Pollera
- Department of Veterinary Medicine, University of Milan, via Celoria 10, 20133 Milan, Italy.
| | - Paola Cremonesi
- Institute of Agricultural Biology and Biotechnology, National Research Council, via Einstein, 26900 Lodi, Italy.
| | - Bianca Castiglioni
- Institute of Agricultural Biology and Biotechnology, National Research Council, via Einstein, 26900 Lodi, Italy.
| | - Enriqueta Bottini
- Laboratorio de Microbiologia Clinica y Experimental, Departamento de Sanidad Animal y Medicina Preventiva SAMP/CIVENTAN, Becaria CONICET, Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la Provincia de Buenos Aires (FCV, UNCPBA), Paraje Arroyo Seco S/N, Campus Universitario, CP 7000 Tandil, Buenos Aires, Argentina.
| | - Alejandro Ceballos-Marquez
- Laboratorio de Calidad de Leche y Epidemiología Veterinaria (Grupo CLEV), Universidad de Caldas, Calle 65 #26-10, Manizales, Caldas, Colombia.
| | - Laura Lasso-Rojas
- Laboratorio de Calidad de Leche y Epidemiología Veterinaria (Grupo CLEV), Universidad de Caldas, Calle 65 #26-10, Manizales, Caldas, Colombia.
| | - Volker Kroemker
- Bioprocess Engineering-Faculty II, University of Applied Sciences and Arts, Microbiology Heisterbergallee 12, 30453 Hannover, Germany.
| | - Nicole Wente
- Bioprocess Engineering-Faculty II, University of Applied Sciences and Arts, Microbiology Heisterbergallee 12, 30453 Hannover, Germany.
| | - Inge-Marie Petzer
- Faculty of Veterinary Science, University of Pretoria, M35, Pretoria 0110, South Africa.
| | - Carlos Santisteban
- Quality Milk Production Services, Animal Health Diagnostic Center, Cornell University, 240 Farrier Road, Ithaca, NY 14850, USA.
| | - Jeff Runyan
- Quality Milk Production Services, Animal Health Diagnostic Center, Cornell University, 240 Farrier Road, Ithaca, NY 14850, USA.
| | - Marcos Veiga Dos Santos
- Department of Animal Nutrition and Production, School of Veterinary Medicine and Animal Sciences, Rua Duque de Caxias Norte, 225, Pirassununga-SP 13635900, Brazil.
| | - Bruna Gomes Alves
- Department of Animal Nutrition and Production, School of Veterinary Medicine and Animal Sciences, Rua Duque de Caxias Norte, 225, Pirassununga-SP 13635900, Brazil.
| | - Renata Piccinini
- Department of Veterinary Medicine, University of Milan, via Celoria 10, 20133 Milan, Italy.
| | - Valerio Bronzo
- Department of Veterinary Medicine, University of Milan, via Celoria 10, 20133 Milan, Italy.
| | - Mohamed Salah Abbassi
- Tunisian Institute of Veterinary Research, University of Tunis El Manar, Tunis 1068, Tunisia.
| | - Meriam Ben Said
- Tunisian Institute of Veterinary Research, University of Tunis El Manar, Tunis 1068, Tunisia.
| | - Paolo Moroni
- Department of Veterinary Medicine, University of Milan, via Celoria 10, 20133 Milan, Italy.
- Quality Milk Production Services, Animal Health Diagnostic Center, Cornell University, 240 Farrier Road, Ithaca, NY 14850, USA.
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