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Pena-Fernández N, Cano-Terriza D, García-Bocanegra I, Horcajo P, Vázquez-Arbaizar P, Cleofé-Resta D, Pérez-Arroyo B, Ortega-Mora LM, Collantes-Fernández E. Prevalence of Bovine Genital Campylobacteriosis, Associated Risk Factors and Spatial Distribution in Spanish Beef Cattle Based on Veterinary Laboratory Database Records. Front Vet Sci 2021; 8:750183. [PMID: 34957276 PMCID: PMC8692666 DOI: 10.3389/fvets.2021.750183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 11/15/2021] [Indexed: 12/04/2022] Open
Abstract
Bovine genital campylobacteriosis (BGC) is a sexually transmitted disease that causes early reproductive failure in natural breeding cattle that are managed extensively. The aim of this study was to assess the BGC prevalence in Spain from 2011 to 2019 using data collected cross-sectionally from the diagnostic reports issued by the SALUVET veterinary diagnostic laboratory from a total of 5,182 breeding bulls from 1,950 herds managed under “dehesa” systems (large herds within fenced pastures and all-year breeding season) or mountain systems (smaller herds with seasonal breeding management and grazing in communal mountain pastures). Infection was detected by PCR in 7.7 and 12.2% of the bulls and herds tested, respectively. The “dehesa” herd management system (OR = 2.078, P = < 0.001, 95% CI = 1.55–1.77), bovine trichomonosis status of the herd (OR = 1.606, P = 0.004, 95% CI = 1.15–2.22), and bulls ≥3 years old (OR = 1.392, P = 0.04, 95% CI = 1.01–1.92) were identified as risk factors associated with Campylobacter fetus venerealis infection. We also studied the high-risk areas for circulation of the infection in extensive beef cattle herds in Spain, showing four significant clusters in “dehesa” areas in the south-western provinces of the country and a fifth cluster located in a mountain area in northern Spain. The results obtained in the present study indicate that BGC is endemic and widely distributed in Spanish beef herds. Specifically, “dehesa” herds are at greater risk for introduction of Cfv based on relatively high local prevalence of the infection and the use of specific management practices.
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Affiliation(s)
- Nerea Pena-Fernández
- Servicio Regional de Investigación y Desarrollo Agroalimentario, Villaviciosa, Spain.,Animal Health and Zoonoses Group (SALUVET), Animal Health Department, Faculty of Veterinary Sciences, Complutense University of Madrid, Madrid, Spain
| | - David Cano-Terriza
- Animal Health and Zoonosis Research Group (GISAZ), Animal Health Department, Faculty of Veterinary Sciences, University of Cordoba-Agrifood Excellence International Campus (ceiA3), Córdoba, Spain
| | - Ignacio García-Bocanegra
- Animal Health and Zoonosis Research Group (GISAZ), Animal Health Department, Faculty of Veterinary Sciences, University of Cordoba-Agrifood Excellence International Campus (ceiA3), Córdoba, Spain
| | - Pilar Horcajo
- Animal Health and Zoonoses Group (SALUVET), Animal Health Department, Faculty of Veterinary Sciences, Complutense University of Madrid, Madrid, Spain
| | - Patricia Vázquez-Arbaizar
- Animal Health and Zoonoses Group (SALUVET)-Innova S.L. Faculty of Veterinary Sciences, Complutense University of Madrid, Madrid, Spain
| | - Darío Cleofé-Resta
- Animal Health and Zoonoses Group (SALUVET), Animal Health Department, Faculty of Veterinary Sciences, Complutense University of Madrid, Madrid, Spain
| | - Bárbara Pérez-Arroyo
- Animal Health and Zoonoses Group (SALUVET), Animal Health Department, Faculty of Veterinary Sciences, Complutense University of Madrid, Madrid, Spain
| | - Luis M Ortega-Mora
- Animal Health and Zoonoses Group (SALUVET), Animal Health Department, Faculty of Veterinary Sciences, Complutense University of Madrid, Madrid, Spain.,Animal Health and Zoonoses Group (SALUVET)-Innova S.L. Faculty of Veterinary Sciences, Complutense University of Madrid, Madrid, Spain
| | - Esther Collantes-Fernández
- Animal Health and Zoonoses Group (SALUVET), Animal Health Department, Faculty of Veterinary Sciences, Complutense University of Madrid, Madrid, Spain.,Animal Health and Zoonoses Group (SALUVET)-Innova S.L. Faculty of Veterinary Sciences, Complutense University of Madrid, Madrid, Spain
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2
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Carli SD, Dias ME, da Silva MERJ, Breyer GM, Siqueira FM. Survey of beef bulls in Brazil to assess their role as source of infectious agents related to cow infertility. J Vet Diagn Invest 2021; 34:54-60. [PMID: 34617862 DOI: 10.1177/10406387211050636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Poor reproductive performance in beef cattle caused by infectious agents results in major financial losses as a result of reduced pregnancy rates and extended calving intervals. Bulls can be subclinical chronic carriers of bacterial and protozoal agents involved in cow infertility, such as Campylobacter fetus subsp. venerealis, Ureaplasma diversum, Mycoplasma bovigenitalium, Mycoplasma bovis, and Tritrichomonas foetus. Bulls harbor these microorganisms in their preputial crypts and transmit the agents to cows during natural mating. To obtain an overview of the etiologic agents in the preputial mucus of bulls, we aimed to identify, by PCR assay, C. fetus subsp. venerealis, M. bovis, U. diversum, M. bovigenitalium, and T. foetus in Brazilian bulls from farms with high infertility rates. We collected preputial mucus from 210 bulls on 18 beef cattle farms in Brazil between 2019 and 2020. We found at least one of the infectious agents that we were studying in bulls on 16 of the 18 beef cattle farms tested. We detected at least one infectious agent from 159 of 210 (76%) bulls tested, namely C. fetus subsp. venerealis, M. bovis, U. diversum, M. bovigenitalium, and T. foetus in 87 (55%), 84 (53%), 45 (28%), 28 (18%), and 1 (0.6%) animal, respectively. We found 95 bulls (60%) positive for only 1 etiologic agent (single infection) and 64 bulls (40%) carried multiple agents. Our results demonstrate the occurrence of bacterial and protozoal infectious agents that may be related to infertility in Brazilian beef cattle herds.
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Affiliation(s)
- Silvia D Carli
- Laboratório de Bacteriologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.,Programa de Pós-Graduação em Ciências Veterinárias, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Maria E Dias
- Laboratório de Bacteriologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Maria E R J da Silva
- Laboratório de Bacteriologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Gabriela M Breyer
- Laboratório de Bacteriologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.,Programa de Pós-Graduação em Ciências Veterinárias, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Franciele M Siqueira
- Laboratório de Bacteriologia Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.,Programa de Pós-Graduação em Ciências Veterinárias, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
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3
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Silva MF, Duarte A, Pereira G, Mateus L, Lopes-da-Costa L, Silva E. Assessment of Campylobacter fetus subsp. venerealis molecular diagnosis using clinical samples of bulls. BMC Vet Res 2020; 16:410. [PMID: 33121492 PMCID: PMC7596931 DOI: 10.1186/s12917-020-02634-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 10/21/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Campylobacter fetus subsp. venerealis (Cfv) is the pathogen responsible for Bovine Genital Campylobacteriosis (BGC), a venereal disease of cattle associated with impaired reproductive performance. Although several PCR assays were developed to identify this pathogen, most of them are still poorly evaluated in clinical samples. This study evaluated real-time PCR assays for Cfv detection in preputial samples of bulls (n = 308). RESULTS The detection at the subspecies level (Cfv) compared four assays: two targeting ISCfe1 and two targeting parA gene. The detection at the species level (C. fetus) considered an assay targeting the nahE gene and a commercial kit for C. fetus identification. At the subspecies level, assays directed either to different targets (parA and ISCfe1), or to the same target (ISCfe1 or parA), showed a high percentage of disagreeing results. All samples positive at the subspecies level (n = 169) were negative in C. fetus detection assays, which strongly suggests the horizontal gene transfer of ISCfe1 and parA to other bacterial species. This was confirmed by microbiological isolation of three Campylobacter portucalensis strains responsible for false positive results. Sequences with a high level of identity with ISCfe1 and parA gene of Cfv were identified in C. portucalensis genome. CONCLUSIONS Overall, this study reveals that PCR assays solely directed to a subspecies target originate a high rate of false positive results, due to the presence of parA and ISCfe1 homologous sequences in other bacterial species, namely of the genus Campylobacter. Although the specificity of these methods may be higher if applied to bulls from herds with clinical features of BGC or in other geographical regions, current PCR diagnosis should couple subspecies and species targets, and further research must be envisaged to identify Cfv specific molecular targets.
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Affiliation(s)
- Marta Filipa Silva
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal
| | - Ana Duarte
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal
| | - Gonçalo Pereira
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal
| | - Luísa Mateus
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal
| | - Luís Lopes-da-Costa
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal
| | - Elisabete Silva
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal.
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Lawrence KE, Wakeford L, Toombs-Ruane LJ, MacLachlan C, Pfeffer H, Gibson IR, Benschop J, Riley CB. Bacterial isolates, antimicrobial susceptibility and multidrug resistance in cultures from samples collected from beef and pre-production dairy cattle in New Zealand (2003-2016). N Z Vet J 2019; 67:180-187. [PMID: 30971180 DOI: 10.1080/00480169.2019.1605943] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Aims: To describe the common species and the antimicrobial susceptibility of bacteria cultured from samples submitted to commercial veterinary diagnostic laboratories from beef and pre-production dairy cattle between 2003-2016, and to describe the proportion of isolates with multidrug resistance (MDR). Methods: Bacterial culture and antimicrobial susceptibility data from July 2003 to March 2016 were obtained from commercial veterinary diagnostic laboratories in New Zealand. Results were included from samples from beef cattle, irrespective of age or sex, dairy-breed females aged <2 years and dairy-breed males of any age. Submission information provided included the specimen description, the organisms cultured, and the antimicrobial susceptibilities of isolates, if tested. Antimicrobial resistance (AMR) was defined as any isolate not showing susceptibility to an antimicrobial compound and MDR as any isolate showing AMR to ≥3 antimicrobial classes. Results: There were 1,858 unique laboratory submissions, yielding 2,739 isolates. Of these submissions, most were from the Canterbury (389; 21.9%), Manawatu (388; 21.9%) Waikato (231; 12.4%) and Hawke's Bay (136; 7.3%) regions. There were 163 unique species identifications for the 2,739 isolates; the most common were Yersinia pseudotuberculosis (452; 16.5%), Campylobacter jejuni (249; 9.1%), Escherichia coli (230; 8.4%) and Salmonella enterica serovar Typhimurium (143; 5.2%). Only 251/2,739 (9.2%) isolates from 122/1,858 (6.6%) submissions had antimicrobial susceptibility results. There were no sensitivity results for Yersinia spp., and only one each for Salmonella spp., and Campylobacter spp. Amongst the isolates tested, susceptibility to ampicillin was lowest (33/56; 58.9%). Overall, 57/251 (20.7%) isolates tested for antimicrobial susceptibility had MDR, and MDR was most common for Enterococcus spp. (12/17; 71%) and E. coli (13/30; 43%). Conclusions and Clinical Relevance: This is the first report on antimicrobial susceptibility and MDR in New Zealand beef and pre-production dairy cattle. Findings highlight the limited use of bacterial culture and sensitivity testing by veterinarians and deficits in the information accompanying submissions. A national antimicrobial resistance surveillance strategy that specifically includes this population is recommended.
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Affiliation(s)
- K E Lawrence
- a School of Veterinary Science , Massey University , Palmerston North , New Zealand
| | - L Wakeford
- a School of Veterinary Science , Massey University , Palmerston North , New Zealand
| | - L J Toombs-Ruane
- a School of Veterinary Science , Massey University , Palmerston North , New Zealand
| | - C MacLachlan
- a School of Veterinary Science , Massey University , Palmerston North , New Zealand
| | - H Pfeffer
- a School of Veterinary Science , Massey University , Palmerston North , New Zealand
| | - I R Gibson
- b New Zealand Veterinary Pathology , Hamilton , New Zealand
| | - J Benschop
- a School of Veterinary Science , Massey University , Palmerston North , New Zealand
| | - C B Riley
- a School of Veterinary Science , Massey University , Palmerston North , New Zealand
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Silveira CDS, Fraga M, Giannitti F, Macías-Rioseco M, Riet-Correa F. Diagnosis of Bovine Genital Campylobacteriosis in South America. Front Vet Sci 2018; 5:321. [PMID: 30619902 PMCID: PMC6302017 DOI: 10.3389/fvets.2018.00321] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 11/30/2018] [Indexed: 01/08/2023] Open
Abstract
Bovine genital campylobacteriosis (BGC) is a venereal infectious disease that affects reproduction. It is caused by the Gram-negative bacillus Campylobacter fetus subspecies venerealis (Cfv), which may include the biotype intermedius. The bull is a lifelong asymptomatic carrier and transmitter of the disease. In females Cfv may cause infertility and sporadic abortion. The objective of this study is to review and discuss methods for the diagnosis of BGC, its prevalence and economic impact in South America. BGC is a worldwide distributed disease and can cause a pregnancy rate decrease of 15-25%. The farm prevalence of BGC in different regions of South American countries shows a variation between 2.3 and 100%. Discrepancies may depend on the differences on sanitary, management, and reproductive practices between farms and regions, but also on the interpretation of different diagnostic tests. Currently known laboratory tests include bacterial culture, direct immunofluorescence, immunoenzymatic assays, vaginal mucus agglutination test, PCR-based methods, histology and immunohistochemistry, which are applied and interpreted in diagnostic laboratories at different scales. Epidemiologic data of BGC in South America should be interpreted with caution. High prevalence has been reported in some studies, although the low specificity of the diagnostic tests used could lead to an overestimation of the results.
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Affiliation(s)
- Caroline da Silva Silveira
- Instituto Nacional de Investigación Agropecuaria (INIA), Plataforma de Salud Animal, Estación Experimental INIA La Estanzuela, Colonia, Uruguay
| | - Martin Fraga
- Instituto Nacional de Investigación Agropecuaria (INIA), Plataforma de Salud Animal, Estación Experimental INIA La Estanzuela, Colonia, Uruguay
| | - Federico Giannitti
- Instituto Nacional de Investigación Agropecuaria (INIA), Plataforma de Salud Animal, Estación Experimental INIA La Estanzuela, Colonia, Uruguay
- Veterinary Population Medicine Department, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN, United States
| | - Melissa Macías-Rioseco
- Instituto Nacional de Investigación Agropecuaria (INIA), Plataforma de Salud Animal, Estación Experimental INIA La Estanzuela, Colonia, Uruguay
| | - Franklin Riet-Correa
- Instituto Nacional de Investigación Agropecuaria (INIA), Plataforma de Salud Animal, Estación Experimental INIA La Estanzuela, Colonia, Uruguay
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Reichel MP, Wahl LC, Hill FI. Review of Diagnostic Procedures and Approaches to Infectious Causes of Reproductive Failures of Cattle in Australia and New Zealand. Front Vet Sci 2018; 5:222. [PMID: 30333984 PMCID: PMC6176146 DOI: 10.3389/fvets.2018.00222] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Accepted: 08/28/2018] [Indexed: 12/13/2022] Open
Abstract
Infectious causes of reproductive failure in cattle are important in Australia and New Zealand, where strict biosecurity protocols are in place to prevent the introduction and spread of new diseases. Neospora caninum ranks highly as an important cause of reproductive wastage along with fungal and bacterial infections. Brucella, a leading cause of abortion elsewhere in the world, is foreign, following successful programs to control and eradicate the disease. Leptospirosis in cattle is largely controlled by vaccination, while Campylobacter and Tritrichomonas infections occur at low rates. In both countries, Bovine Viral Diarrhea virus (BVDV) infection rates as the second most economically important disease of cattle and one that also has an effect on reproduction. Effective disease control strategies require rapid diagnoses at diagnostic laboratories. To facilitate this process, this review will discuss the infectious causes of reproductive losses present in both countries, their clinical presentation and an effective pathway to a diagnosis.
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Affiliation(s)
- Michael P Reichel
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong, Hong Kong
| | - Lloyd C Wahl
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong, Hong Kong
| | - Fraser I Hill
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong, Hong Kong
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