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Kanno C, Sato S, Maeda Y, Ando R, Park CH, Kawaguchi H, Tanabe T, Takahashi F. Epididymitis with Pasteurella multocida isolated from two male Japanese Black beef calves. Reprod Domest Anim 2024; 59:e14550. [PMID: 38465367 DOI: 10.1111/rda.14550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 02/06/2024] [Accepted: 02/27/2024] [Indexed: 03/12/2024]
Abstract
Two male Japanese Black calves developed an enlarged scrotum and testis. Orchiectomy was performed and pus was collected during surgery. After removal of the testis, bacteriological and histopathological examinations were conducted to investigate the cause and confirm the diagnosis. Based on the results obtained, both cases were diagnosed with epididymitis caused by an infection with Pasteurella multocida. This is the first study to show that P. multocida causes epididymitis in male calves. Further studies are required to clarify the details underlying the infection of calves with P. multocida.
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Affiliation(s)
- Chihiro Kanno
- Laboratory of Clinical Veterinary Medicine for Large Animals, School of Veterinary Medicine, Kitasato University, Towada, Japan
| | - Shogo Sato
- Kitasato University Veterinary Teaching Hospital, School of Veterinary Medicine, Kitasato University, Towada, Japan
| | - Yosuke Maeda
- Laboratory of Clinical Veterinary Medicine for Large Animals, School of Veterinary Medicine, Kitasato University, Towada, Japan
| | - Ryo Ando
- Laboratory of Veterinary Pathology, School of Veterinary Medicine, Kitasato University, Towada, Japan
| | - Chun-Ho Park
- Laboratory of Veterinary Pathology, School of Veterinary Medicine, Kitasato University, Towada, Japan
| | - Hiroaki Kawaguchi
- Laboratory of Veterinary Pathology, School of Veterinary Medicine, Kitasato University, Towada, Japan
| | - Taishi Tanabe
- Laboratory of Veterinary Microbiology, School of Veterinary Medicine, Kitasato University, Towada, Japan
| | - Fumiaki Takahashi
- Laboratory of Clinical Veterinary Medicine for Large Animals, School of Veterinary Medicine, Kitasato University, Towada, Japan
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Archana SS, Swathi D, Ramya L, Heena HS, Krishnappa B, Binsila BK, Rajendran D, Selvaraju S. Relationship among seminal antigenicity, antioxidant status and metabolically active sperm from Holstein-Friesian ( Bos taurus) bulls. Syst Biol Reprod Med 2023; 69:366-378. [PMID: 37225677 DOI: 10.1080/19396368.2023.2198070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 02/13/2023] [Accepted: 02/20/2023] [Indexed: 05/26/2023]
Abstract
Sperm antigenicity has been implicated as a regulatory factor for acquiring fertilizing competence in the female reproductive tract. Overt immune response against the sperm proteins leads to idiopathic infertility. Hence, the aim of the study was to evaluate the influence of the auto-antigenic potential of sperm on the antioxidant status, metabolic activities and reactive oxygen species (ROS) in bovine. Semen from Holstein-Friesian bulls (n = 15) was collected and classified into higher (HA, n = 8) and lower (LA, n = 7) antigenic groups based on micro-titer agglutination assay. The neat semen was subjected to the evaluation of bacterial load, leukocyte count, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and lipid peroxidation (LPO) levels. Antioxidant activities in seminal plasma and intracellular ROS levels in the post-thawed sperm were estimated. The number of leukocytes was lower (p < .05) in the HA than the LA semen. The percentage of metabolically active sperm was higher (p < .05) in HA than the LA group. The activities of total non-enzymatic antioxidant, superoxide dismutase (SOD) and catalase (CAT) were higher (p < .05) while glutathione peroxidase activity was lower (p < .05) in the seminal plasma of LA group. The LPO levels of neat sperm and the percentage sperm positive for intracellular ROS in the cryopreserved sample were lower (p < .05) in the HA group. Auto-antigenic levels were positively correlated with the percentage of metabolically active sperm (r = 0.73, p < .01). However, the seminal auto-antigenicity was negatively (p < .05) correlated with the levels of SOD (r=-0.66), CAT (r=-0.72), LPO (r=-0.602) and intracellular ROS (r=-0.835). The findings were represented in graphical abstract. It is inferred that the higher auto-antigenic levels protect the quality of bovine semen by promoting sperm metabolism and lowering ROS and LPO levels.
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Affiliation(s)
- Santhanahalli Siddalingappa Archana
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
- Department of Biochemistry, Jain University, Bengaluru, India
| | - Divakar Swathi
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Laxman Ramya
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Hulliyurdurga Shameeulla Heena
- Feed Resources and Informatics Laboratory, Animal Nutrition Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Balaganur Krishnappa
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Bala Krishnan Binsila
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Duraisamy Rajendran
- Feed Resources and Informatics Laboratory, Animal Nutrition Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Sellappan Selvaraju
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
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3
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Chacón J, Leiva R, Romero-Zuñiga JJ, Navarro L, Dolz G. Seroprevalence and detection of bovine leukosis virus in semen from breeding bulls in Costa Rica. Trop Anim Health Prod 2023; 55:343. [PMID: 37777681 PMCID: PMC10543126 DOI: 10.1007/s11250-023-03763-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 09/19/2023] [Indexed: 10/02/2023]
Abstract
Bovine leukemia virus (BLV) causes enzootic bovine leukosis, a persistent infection and the most important neoplastic disease in cattle. It is spread primarily by transferring infected lymphocytes through blood from carriers to healthy animals. The present study is aimed at determining the seropositivity of BLV in breeding bulls from Costa Rica and at detecting for the first time in the country BLV DNA in bull semen. Between May 2011 and August 2018, 379 blood and 133 semen samples were collected from bulls distributed in 118 farms. The serum was analyzed by an enzymatic immunoassay and the semen by polymerase chain reaction and sequencing. BLV seropositivity was 43.5% (165/379), while 64.4% (76/118) of the farms had positive reactors. Holstein (75.7%) and Jersey (73.0%) breeds showed the highest seropositivity. In addition, Bos taurus bulls (68.1%), older than seven years (50.0%), and those belonging to dairy farms (75.5%) had higher seropositivity compared to Bos indicus (17.7%), younger than seven years (42.2%), and those from beef farms (15.5%), respectively. Moreover, Bos taurus bulls had a higher risk of being seropositive than Bos indicus (OR = 3.4; 95% CI: 1.7-6.8). BLV DNA was found in one semen sample (2.5%; 1/40) from a seropositive bull. The importance of serum and molecular BLV screening in semen samples and the potential role of some risk factors associated with the disease, such as the bull's age, genotype, and type of livestock productive system, is argued in the present report.
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Affiliation(s)
- Jorge Chacón
- Programa de Investigación en Andrología Animal Aplicada, Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica.
| | - Roberto Leiva
- Programa de Investigación en Medicina Poblacional, Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica
| | - Juan José Romero-Zuñiga
- Programa de Investigación en Medicina Poblacional, Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica
| | - Leonel Navarro
- Programa de Investigación en Andrología Animal Aplicada, Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica
| | - Gaby Dolz
- Programa de Investigación en Medicina Poblacional, Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica
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García JA, Farace P, Gioffré AK, Morsella C, Méndez MA, Acuña J, Aller JF, Signorini M, Paolicchi FA. Bovine campylobacteriosis in bulls: insights in the conventional and molecular diagnosis. Braz J Microbiol 2023; 54:459-467. [PMID: 36562912 PMCID: PMC9943827 DOI: 10.1007/s42770-022-00892-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
Campylobacter fetus is a gram-negative motile bacterium, with two subspecies relevant to cattle health: C. fetus subsp. venerealis (Cfv) and C. fetus subsp. fetus (Cff). Both subspecies are associated with reproductive losses in cattle. In this study, we evaluated the identification of C. fetus for the diagnosis of bovine campylobacteriosis through bacteriological culture, direct immunofluorescence (DIF) and molecular tests in preputial smegma (PS) samples of three Angus bulls challenged with Cfv, Cfv biovar intermedius (Cfvi) or Cff, respectively, in an experiment imitating the natural infection. Two DNA extraction protocols were tested (in-house thermal extraction and commercial kit). Aspiration and scraping collection for PS were compared by conventional tests. Additionally, bacteremia was also evaluated in blood samples. Bulls were challenged by natural mating with heifers that had been experimentally infected with C. fetus subspecies; which led to infection. The Cfv- and Cfvi-bulls were positive for at least 9 months. Although Cff is not considered a venereal strain, in this study it was transmissible to bull from heifers experimentally infected, as evidenced by its colonization and persistence in the preputial cavity for 5 to 6 months. This finding suggests a potential risk of dissemination within herds. The results obtained by bacteriological culture or direct immunofluorescence (DIF) showed no significant differences, regardless the sampling device used (aspiration with Cassou pipette, metal and plastic scraper). C. fetus qPCR, on the other hand, yielded better results with an in-house DNA extraction method than with a commercial kit (75% vs 66.6%). Furthermore, qPCR diagnosis was more efficient than culture (66.6%) or DIF (56%). Bacteremia in whole blood samples was negative by qPCR and bacteriological culture in all samples. Altogether, this study demonstrated the transmission of Cff from heifers to bull and also showed that PCR-based methods are promising for the diagnosis of Bovine Genital Campylobacteriosis from clinical samples of PS.
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Affiliation(s)
- Juan A García
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS, INTA-CONICET), Balcarce, Buenos Aires, Argentina.
| | - Pablo Farace
- Instituto de Agrobiotecnología y Biología Molecular, Instituto Nacional de Tecnología Agropecuaria, Consejo Nacional de Investigaciones Científicas y Técnicas (IABIMO, INTA-CONICET), Hurlingham, Buenos Aires, Argentina
| | - Andrea K Gioffré
- Instituto de Agrobiotecnología y Biología Molecular, Instituto Nacional de Tecnología Agropecuaria, Consejo Nacional de Investigaciones Científicas y Técnicas (IABIMO, INTA-CONICET), Hurlingham, Buenos Aires, Argentina
| | - Claudia Morsella
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS, INTA-CONICET), Balcarce, Buenos Aires, Argentina
| | - María A Méndez
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS, INTA-CONICET), Balcarce, Buenos Aires, Argentina
| | - Joaquín Acuña
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS, INTA-CONICET), Balcarce, Buenos Aires, Argentina
| | - Juan F Aller
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS, INTA-CONICET), Balcarce, Buenos Aires, Argentina
| | - Marcelo Signorini
- Instituto de Investigación de la Cadena Láctea (INTA - CONICET), Rafaela, Santa Fe, Argentina
| | - Fernando A Paolicchi
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS, INTA-CONICET), Balcarce, Buenos Aires, Argentina
- Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, Balcarce, Buenos Aires, Argentina
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Polo C, García-Seco T, Díez-Guerrier A, Briones V, Domínguez L, Pérez-Sancho M. What about the bull? A systematic review about the role of males in bovine infectious infertility within cattle herds. Vet Anim Sci 2023; 19:100284. [PMID: 36647444 PMCID: PMC9840180 DOI: 10.1016/j.vas.2023.100284] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Numerous pathogens affect cow fertility. Nevertheless, little information has been published about microorganisms associated with cattle infertility focusing on bulls. The present review offers a current analysis and highlights potential key aspects on the relevance of bulls in the emergence of infertility problems of infectious origin within herds that are still not completely determined. The present systematic review was conducted using the PubMed, Web of Science, and Scopus databases on December 9, 2022. In total, 2,224 bibliographic records were reviewed and, according to strict inclusion criteria, 38 articles were selected from 1966 to 2022, from which we ranked more than 27 different microorganisms (fungi were not identified). The most cited pathogens were BoHV (described by 26.3% of the papers), Campylobacter fetus (23.7%), Tritrichomonas foetus (18.4%), and BVDV, Ureaplasma spp., and Mycoplasma spp. (10.5% each). Despite the general trend towards an increasing number of publications about bull-infertility problems, a number of pathogens potentially transmitted through both natural breeding and seminal doses given to females and associated with infertility within herds were not ranked in the study (e.g., Chlamydia spp.). This work highlights i) the need to clearly establish the role of certain microorganisms not traditionally associated with reproductive problems in bull infertility (e.g., Staphylococcus spp. or BoHV-4) and ii) the need to perform additional studies on breeding bulls to clarify their role in infertility problems within herds. This would allow monitoring for pathogens that have gone unnoticed and those that are fastidious to diagnose and/or potentially transmitted to females.
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Affiliation(s)
- Coral Polo
- VISAVET Health Surveillance Center, Universidad Complutense de Madrid, Puerta de Hierro s/n, 28040 Madrid, Spain,MAEVA SERVET S.L., Calle de la Fragua 3, 28749 Alameda del Valle, Madrid, Spain
| | - Teresa García-Seco
- VISAVET Health Surveillance Center, Universidad Complutense de Madrid, Puerta de Hierro s/n, 28040 Madrid, Spain
| | - Alberto Díez-Guerrier
- MAEVA SERVET S.L., Calle de la Fragua 3, 28749 Alameda del Valle, Madrid, Spain,Department of Animal Health, Veterinary Faculty, Universidad Complutense de Madrid, Av. Puerta de Hierro s/n, 28040 Madrid, Spain
| | - Víctor Briones
- Department of Animal Health, Veterinary Faculty, Universidad Complutense de Madrid, Av. Puerta de Hierro s/n, 28040 Madrid, Spain
| | - Lucas Domínguez
- VISAVET Health Surveillance Center, Universidad Complutense de Madrid, Puerta de Hierro s/n, 28040 Madrid, Spain,Department of Animal Health, Veterinary Faculty, Universidad Complutense de Madrid, Av. Puerta de Hierro s/n, 28040 Madrid, Spain
| | - Marta Pérez-Sancho
- VISAVET Health Surveillance Center, Universidad Complutense de Madrid, Puerta de Hierro s/n, 28040 Madrid, Spain,Department of Animal Health, Veterinary Faculty, Universidad Complutense de Madrid, Av. Puerta de Hierro s/n, 28040 Madrid, Spain,Corresponding author at: VISAVET Health Surveillance Center, Universidad Complutense de Madrid, Puerta de Hierro s/n, 28040 Madrid, Spain.
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6
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Messman RD, Lemley CO. Bovine neonatal microbiome origins: a review of proposed microbial community presence from conception to colostrum. Transl Anim Sci 2023; 7:txad057. [PMID: 37334245 PMCID: PMC10276551 DOI: 10.1093/tas/txad057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 05/24/2023] [Indexed: 06/20/2023] Open
Abstract
In recent years, there has been an influx of research evaluating the roles of the reproductive tract microbiota in modulating reproductive performance. These efforts have resulted in a breadth of research exploring the bovine reproductive tract microbiota. The female reproductive tract microbiota has been characterized during the estrus cycle, at timed artificial insemination, during gestation, and postpartum. Additionally, there are recently published studies investigating in-utero inoculation of the bovine fetus. However, critical review of the literature to understand how the microbial shifts during a dam's lifecycle could impact neonatal outcomes is limited. This review demonstrates a consistency at the phyla level throughout both the maternal, paternal, and neonatal microbiomes. Moreover, this review challenges the current gestational inoculation hypothesis and suggests instead a maturation of the resident uterine microbiota throughout gestation to parturition. Recent literature is indicative of microbial composition influencing metabolomic parameters that have developmental programming effects in feed utilization and metabolic performance later in life. Thus, this review enumerates the potential origins of neonatal microbial inoculation from conception, through gestation, parturition, and colostrum consumption while introducing clear paucities where future research is needed to better understand the ramifications of the reproductive microbiome on neonates.
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Affiliation(s)
- Riley D Messman
- Department of Animal and Dairy Sciences, Mississippi State University, Mississippi State, MS 39762, USA
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7
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Orjuela AG, Parra-Arango JL, Sarmiento-Rubiano LA. Bovine leptospirosis: effects on reproduction and an approach to research in Colombia. Trop Anim Health Prod 2022; 54:251. [PMID: 35943610 PMCID: PMC9360731 DOI: 10.1007/s11250-022-03235-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 07/13/2022] [Indexed: 12/01/2022]
Abstract
Leptospirosis is the most widespread zoonosis worldwide, causing severe effects on beef and dairy cattle farming and other livestock. Colombia geographical location in the tropical zone, high biodiversity, and climatic conditions promote Leptospira growth and prevalence. This review article presents state-of-the-art knowledge about the effects of leptospirosis on bovine reproduction and a critical analysis of the research carried out in Colombia. The analysis of the information allows us to infer a sustained increase in prevalence over the last decade in the densest livestock production areas and a high serovar diversity of circulating pathogenic Leptospira. Given the zoonotic nature of leptospirosis, an inter-institutional effort is required to implement prevention, control, and monitoring programs under one-health concept.
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Affiliation(s)
- Agustín Góngora Orjuela
- Grupo de Investigación en Reproducción y Genética Animal (Reproduction and Animal Genetics Research Group, GIRGA), Universidad de los Llanos, Villavicencio, Meta Colombia
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8
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Composition and diversity of the seminal microbiota in bulls and its association with semen parameters. Theriogenology 2022; 182:17-25. [DOI: 10.1016/j.theriogenology.2022.01.029] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 12/27/2021] [Accepted: 01/25/2022] [Indexed: 12/27/2022]
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9
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Identification of Bull Semen Microbiome by 16S Sequencing and Possible Relationships with Fertility. Microorganisms 2021; 9:microorganisms9122431. [PMID: 34946031 PMCID: PMC8705814 DOI: 10.3390/microorganisms9122431] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 11/22/2021] [Accepted: 11/22/2021] [Indexed: 01/04/2023] Open
Abstract
Reports on the use of 16S sequencing for the identification of bacteria in healthy animals are lacking. Bacterial contamination of bull semen can have a negative effect on the sperm quality. The aims of this study were threefold: to identify bacteria in the semen of healthy bulls using 16S sequencing; to investigate the differences in the bacterial community between individual bulls; and to establish if there was a relationship between the bacteria isolated and bull fertility. Semen from 18 bulls of known fertility was used for the DNA extraction and 16S sequencing; 107 bacterial genera were identified. The differences in the amplicon sequence variants (ASVs) and the numbers of genera between bulls were noted. Negative correlations (p < 0.05) between several bacterial genera with Curvibacter, Rikenellaceae RC9-gut-group and Dyella spp. were seen. Other negatively correlated bacteria were Cutibacterium, Ruminococcaceae UCG-005, Ruminococcaceae UCG-010 and Staphylococcus, all within the top 20 genera. Two genera, W5053 and Lawsonella, were enriched in bulls of low fertility; this is the first time that these bacteria have been reported in bull semen samples. The majority of the bacteria were environmental organisms or were species originating from the mucous membranes of animals and humans. The results of this study indicate that differences in the seminal microbiota of healthy bulls occur and might be correlated with fertility.
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10
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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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11
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Panda P, Tiwari R, Joshi P, Singh A, Dutt T. Adoption of scientifically recommended artificial insemination practices by paravets: a depiction of current scenario of four states in India. Trop Anim Health Prod 2021; 53:490. [PMID: 34596769 DOI: 10.1007/s11250-021-02937-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 09/23/2021] [Indexed: 10/20/2022]
Abstract
The present investigation was done to assess the different practices followed by the AI technicians (paravets) while performing artificial insemination (AI). A total of 160 paravets were selected for the study having equal representation from 4 different states of India (Gujarat, Rajasthan, Telangana, and Odisha). Questionnaire and telephonic survey were used for collecting data. Several practices followed by paravets were assessed under three sub-groups, viz., practices followed prior to, during, and post-artificial insemination. In as many as seven practices, viz., gathering pre-AI information, storage of semen straw, time of performing AI, thawing container, wiping of semen straw, cutting of semen straw, and record keeping, the adoption gap was found to be nil. Maximum adoption gap (30.60%) was seen in "adopting basic sanitary measures," whereas about 13% of adoption gap was found in the case of "monitoring of heat post calving" followed by "checking of heat prior to AI" (8.00%). Hence, along with provision of necessary measures for water bath, apron, and gumboots by State Department of Animal Husbandry (SDAH), the paravets should be made aware about the importance of basic sanitary measures. Crystoscope availability should also be ensured as it is easy to use by paravets and farmers for heat detection.
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Affiliation(s)
- Pratikshya Panda
- Division of Extension Education, Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh, 243122, India.
| | - Rupasi Tiwari
- Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh, 243122, India
| | - Pragya Joshi
- Khalsa College of Veterinary & Animal Sciences, Amritsar, Punjab, India
| | | | - Triveni Dutt
- ICAR-IVRI, Izatnagar, Uttar Pradesh, India, 243122
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12
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Ribeiro L, Silva O, Duarte F, Jesus V. Investigation of Tritrichomonas foetus in cryopreserved bovine semen by culture and polymerase chain reaction. ARQ BRAS MED VET ZOO 2021. [DOI: 10.1590/1678-4162-12370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
ABSTRACT Bovine Trichomoniasis (BT) is an infectious disease caused by Tritrichomonas foetus that can be transmitted either sexually or by fomites. In males, the disease is asymptomatic and permanent. T. foetus has been detected in semen samples where it is able to remain viable even when frozen. The objective of this study was to investigate the presence of T. foetus in 27 samples of commercial frozen bovine semen by culture and Polymerase Chain Reaction (PCR). Samples were thawed in water at 37°C. Part of the samples was inoculated in a test tube containing Diamond’s medium and incubated at 35°C. Growth was evaluated every 24 hours via direct examination under a microscope. The other part was placed in an Eppendorf tube and frozen for later molecular analysis. After 10 days of culture, all samples were negative for T. foetus. The Quick-DNA Miniprep Kit (Zymo Research) without proteinase K was used for DNA extraction. The primers used in PCR were TRF3 and TRF4. PCR results were negative for all samples. In conclusion, bovine semen samples were negative for T. foetus in both diagnostic methods, according to the adopted methodology.
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Affiliation(s)
- L. Ribeiro
- Universidade Federal Rural do Rio de Janeiro, Brazil
| | - O.R. Silva
- Universidade Federal Rural do Rio de Janeiro, Brazil
| | | | - V.L.T. Jesus
- Universidade Federal Rural do Rio de Janeiro, Brazil
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13
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Yousef MS, Abdelhamid HN, Hidalgo M, Fathy R, Gómez-Gascón L, Dorado J. Antimicrobial activity of silver-carbon nanoparticles on the bacterial flora of bull semen. Theriogenology 2020; 161:219-227. [PMID: 33340755 DOI: 10.1016/j.theriogenology.2020.12.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 11/10/2020] [Accepted: 12/05/2020] [Indexed: 12/16/2022]
Abstract
The spermicidal effects of silver nanoparticles (AgNPs) hinder its application in the field of artificial insemination. In this study, silver-carbon NPs (Ag@C NPs) was synthesized and applied as an alternative antibiotic agent for bull semen extender. Ag@C NPs were characterized using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), atomic absorption flame spectroscopy, transmission electron microscope (TEM), and high-resolution TEM (HR-TEM). Data analysis revealed the successful synthesis of Ag@C NPs with a particle size of 1-5 nm (average particle size of 2.5 nm) embedded into carbon. The antimicrobial activity of Ag@C NPs was tested against bacteriospermia of fresh semen collected from five fertile bulls (three ejaculates/bull). Escherichia coli (E. Coli), Staphylococcus aureus (S. aureus), and Pseudomonas aeruginosa (P. aeruginosa) were isolated from fresh semen samples and identified by culture, staining, and conventional biochemical tests. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of Ag@C NPs against bacteriospermia was determined at 5 and 37 °C. Ag@C NPs showed efficient antimicrobial activity (MIC: 3.125-12.5 μg/mL) against the tested strains and strong bactericidal effect on S. aureus, and P. aeruginosa (MBC: 3.125 μg/mL), with no detrimental effect (P ˃ 0.05) on the percentage of sperm motility (70.71 ± 4.82; 74.65 ± 4.46), plasma membrane integrity (68.39 ± 4.31; 72.38 ± 4.91), acrosome integrity (88.40 ± 13.21; 86.77 ± 14.23), and normal sperm morphology (86.85 ± 7.43; 87.82 ± 8.15) at concentrations of 15 and 30 μg/mL, respectively, after a cold storage of 48 h. However, Ag@C NPs showed a detrimental effect on sperm parameters in a dose dependent manner at concentrations ≥60 μg/mL. Ag@C NPs showed no adverse effect on the sperm's ultrastructure with limited sperm internalization at MIC. In conclusion, Ag@C NPs could be used as an alternative antibiotic agent for bull semen extender without a significant cytotoxic effect on the sperm during cold storage. However, further investigations for their effects on embryo production and female genitalia are still required.
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Affiliation(s)
- M S Yousef
- Veterinary Reproduction Group, Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, University of Cordoba, 14071, Cordoba, Spain; Department of Theriogenology, Faculty of Veterinary Medicine, Assiut University, Egypt
| | - Hani Nasser Abdelhamid
- Advanced Multifunctional Materials Laboratory, Department of Chemistry, Faculty of Science, Assiut University, Egypt.
| | - M Hidalgo
- Veterinary Reproduction Group, Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, University of Cordoba, 14071, Cordoba, Spain
| | - R Fathy
- Department of Microbiology and Immunology, Faculty of Medicine, Assiut University, Egypt
| | - L Gómez-Gascón
- Department of Animal Health, University of Cordoba, 14071, Cordoba, International Excellence Agrifood Campus, CeiA3, Spain
| | - J Dorado
- Veterinary Reproduction Group, Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, University of Cordoba, 14071, Cordoba, Spain.
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14
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Schulze M, Jakop U, Schröter F, Herrmann C, Leiding C, Müller K, Jung M, Czirják GÁ. Antibacterial defense in bull and boar semen: A putative link to the microbiome and reproductive strategy? Theriogenology 2020; 157:335-340. [PMID: 32841830 DOI: 10.1016/j.theriogenology.2020.07.033] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 06/26/2020] [Accepted: 07/29/2020] [Indexed: 01/07/2023]
Abstract
Several domestic and wildlife species have been shown to possess antibacterial defenses in their ejaculate most probably in order to increase the fertilization success and protect against sexually transmitted pathogens. However, very little is known about the consequences and factors influencing the differences within and between species as far as ejaculate-associated immunity. In the present study, we have analyzed bacterial killing activity (BKA) against Escherichia (E.) coli and Staphylococcus (S.) aureus as well as lysozyme concentrations (LC) in seminal plasma from 60 Fleckvieh bulls. Further, sperm quality and its association with BKA and LC were determined. Twenty percent of the individuals displayed BKA against both bacteria, 78.3% against S. aureus only and 1.7% of the bulls did not indicate any BKA in seminal plasma. No bulls with seminal plasma BKA only against E. coli were identified; implying that 80.0% of the tested bulls had no ejaculate associated defense mechanisms against this gram-negative bacterial species in place. This is in striking contrast to results of Pietrain boars within our previous study, in which 42.8% of the 119 boars expressed an antibacterial activity against E. coli in seminal plasma, 10.9% amongst them with BKA against E. coli only. LC was higher in the bull group with BKA against both bacteria (1.2 ± 0.6 μg/mL) compared to the group with BKA against S. aureus only (0.7 ± 0.3 μg/mL), but - if calculated over all individuals - LC in bulls (0.8 ± 0.4 μg/mL) was lower compared to boars (2.4 ± 1.2 μg/mL). LC showed positive correlations to the age of the bulls and sperm quality as well as a negative relation to bacterial load in raw semen although the highest bacterial contamination was found in animals with seminal plasma BKA against both strains. We discuss the obtained results with regards to possible differences within the microbiome of female and male genital tracts and the reproductive strategies (vaginal vs. uterine depositors) in these two livestock species. Besides identifying the responsible molecules, future phylogenetically controlled comparative studies are needed for a better understanding of the evolution of species differences in ejaculate-associated antibacterial defenses.
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Affiliation(s)
- M Schulze
- Institute for Reproduction of Farm Animals Schönow, Bernauer Allee 10, D-16321, Bernau, Germany.
| | - U Jakop
- Institute for Reproduction of Farm Animals Schönow, Bernauer Allee 10, D-16321, Bernau, Germany
| | - F Schröter
- Department of Cardiovascular Surgery, Heart Center Brandenburg, Brandenburg Medical School "Theodor-Fontane", Ladeburger Straße 17, D-16321, Bernau, Germany
| | - C Herrmann
- Institute for Reproduction of Farm Animals Schönow, Bernauer Allee 10, D-16321, Bernau, Germany
| | - C Leiding
- Besamungsverein Neustadt a. d. Aisch e. V., Karl-Eibl-Str. 17-27, D-91413, Neustadt a. d. Aisch, Germany
| | - K Müller
- Leibniz Institute for Zoo and Wildlife Research, Alfred-Kowalke-Str. 17, D-10315, Berlin, Germany
| | - M Jung
- Institute for Reproduction of Farm Animals Schönow, Bernauer Allee 10, D-16321, Bernau, Germany
| | - G Á Czirják
- Leibniz Institute for Zoo and Wildlife Research, Alfred-Kowalke-Str. 17, D-10315, Berlin, Germany
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15
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Le Tortorec A, Matusali G, Mahé D, Aubry F, Mazaud-Guittot S, Houzet L, Dejucq-Rainsford N. From Ancient to Emerging Infections: The Odyssey of Viruses in the Male Genital Tract. Physiol Rev 2020; 100:1349-1414. [PMID: 32031468 DOI: 10.1152/physrev.00021.2019] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The male genital tract (MGT) is the target of a number of viral infections that can have deleterious consequences at the individual, offspring, and population levels. These consequences include infertility, cancers of male organs, transmission to the embryo/fetal development abnormalities, and sexual dissemination of major viral pathogens such as human immunodeficiency virus (HIV) and hepatitis B virus. Lately, two emerging viruses, Zika and Ebola, have additionally revealed that the human MGT can constitute a reservoir for viruses cleared from peripheral circulation by the immune system, leading to their sexual transmission by cured men. This represents a concern for future epidemics and further underlines the need for a better understanding of the interplay between viruses and the MGT. We review here how viruses, from ancient viruses that integrated the germline during evolution through old viruses (e.g., papillomaviruses originating from Neanderthals) and more modern sexually transmitted infections (e.g., simian zoonotic HIV) to emerging viruses (e.g., Ebola and Zika) take advantage of genital tract colonization for horizontal dissemination, viral persistence, vertical transmission, and endogenization. The MGT immune responses to viruses and the impact of these infections are discussed. We summarize the latest data regarding the sources of viruses in semen and the complex role of this body fluid in sexual transmission. Finally, we introduce key animal findings that are relevant for our understanding of viral infection and persistence in the human MGT and suggest future research directions.
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Affiliation(s)
- Anna Le Tortorec
- University of Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail)-UMR_S1085, Rennes, France
| | - Giulia Matusali
- University of Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail)-UMR_S1085, Rennes, France
| | - Dominique Mahé
- University of Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail)-UMR_S1085, Rennes, France
| | - Florence Aubry
- University of Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail)-UMR_S1085, Rennes, France
| | - Séverine Mazaud-Guittot
- University of Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail)-UMR_S1085, Rennes, France
| | - Laurent Houzet
- University of Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail)-UMR_S1085, Rennes, France
| | - Nathalie Dejucq-Rainsford
- University of Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail)-UMR_S1085, Rennes, France
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16
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Goularte KL, Voloski FLS, Redú JFM, Ferreira CER, Vieira AD, Duval EH, Mondadori RG, Lucia T. Antibiotic resistance in microorganisms isolated in a bull semen stud. Reprod Domest Anim 2020; 55:318-324. [PMID: 31961046 DOI: 10.1111/rda.13621] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 12/29/2019] [Indexed: 11/28/2022]
Abstract
Many microorganisms from various sources may be present in ejaculates of bulls. This study identified and isolated bacteria from bull sperm samples in a commercial stud and evaluated their resistance to antibiotics. The number of colony-forming units was determined in semen samples collected at distinct steps during freezing and thawing. The minimum inhibitory concentration and the minimum bactericidal concentration were determined for four antibiotics commonly used in commercial studs. A total of 135 microorganisms from 25 genera were isolated. After a sensitivity test, all evaluated microorganisms (n = 55) were resistant to penicillin and most of them were resistant to tylosin and lincomycin (n = 54). Resistance to all tested antibiotics was observed in 22% of all isolates, whereas only 3.9% of the isolates were inhibited by the tested antibiotics at the concentrations recommended by the international legislation. As the isolated microorganisms presented high resistance to frequently used antibiotics, sensitivity tests should be periodically conducted in commercial bull semen studs to prevent the use of contaminated semen in artificial insemination.
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Affiliation(s)
- Karina L Goularte
- ReproPel, Universidade Federal de Pelotas, Pelotas-RS, Brazil.,Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas-RS, Brazil
| | - Flávia L S Voloski
- Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas-RS, Brazil.,Lipoa, Universidade Federal de Pelotas, Pelotas-RS, Brazil
| | - Josiara F M Redú
- Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas-RS, Brazil.,Lipoa, Universidade Federal de Pelotas, Pelotas-RS, Brazil
| | - Carlos E R Ferreira
- ReproPel, Universidade Federal de Pelotas, Pelotas-RS, Brazil.,Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas-RS, Brazil
| | - Arnaldo D Vieira
- ReproPel, Universidade Federal de Pelotas, Pelotas-RS, Brazil.,Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas-RS, Brazil
| | - Eduarda H Duval
- Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas-RS, Brazil.,Lipoa, Universidade Federal de Pelotas, Pelotas-RS, Brazil
| | - Rafael G Mondadori
- ReproPel, Universidade Federal de Pelotas, Pelotas-RS, Brazil.,Instituto de Biologia, Universidade Federal de Pelotas, Pelotas-RS, Brazil
| | - Thomaz Lucia
- ReproPel, Universidade Federal de Pelotas, Pelotas-RS, Brazil.,Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas-RS, Brazil
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17
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Hosie J, Rowe SM, Morton JM, Tranter WP, Cavalieri J. Use of a sanitary sheath at artificial insemination by nonprofessional technicians does not markedly improve pregnancy rates to artificial insemination in pasture-based dairy cows. J Dairy Sci 2019; 102:5588-5598. [PMID: 31005323 DOI: 10.3168/jds.2018-16082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Accepted: 02/27/2019] [Indexed: 11/19/2022]
Abstract
Plastic sanitary sheaths over artificial insemination (AI) guns have been used at the time of AI to improve hygiene at AI and fertility in cattle, but fertility responses have been variable in studies when AI was performed by professional inseminators. The aims of this study were to investigate whether the use of a sanitary sheath at the time of AI carried out by nonprofessional (do-it-yourself, or DIY) inseminators improves pregnancy rates to AI in pasture-based dairy cows and whether effects of sheaths are greater in cows with contaminated vulvas and in cows at increased risk of extended calving to conception intervals. Lactating dairy cows located in 10 pasture-based herds in a subtropical region of northern Australia were inseminated by herd-based DIY inseminators and assigned to be inseminated with (n = 3,655) or without (n = 3,969) a sanitary sheath, with potential effects assessed using multivariable logistic regression. Overall, use of a sheath at the time of AI did not significantly affect pregnancy rates to AI (36.3% for those inseminated without a sheath vs. 36.8% for those inseminated with a sheath; odds ratio: 1.02; 95% confidence interval: 0.92-1.11). Effects of using a sheath on pregnancy rates to AI varied by herd, with lower pregnancy rates with the use of sheaths in 1 herd and some evidence of increases in 3 herds. Unexpectedly, there was evidence that the effect of sheath on pregnancy rates was less positive (or more negative) when the vulva was classified as dirty before any cleaning of the vulva before insemination compared with when the vulva was classified as clean (interaction odds ratio: 0.75; 95% CI: 0.56-1.00). Interactions between sheath and other explanatory variables that could affect fertility were not significant; thus, there was no compelling evidence that the effect of using a sheath was modified by any of these variables. We conclude that the use of sheaths during AI of pasture-based dairy cows by DIY inseminators does not, on average, markedly improve pregnancy rates to AI. However, responses may vary between herds, and the response to sheaths may be inferior (i.e., less positive or more negative) when a cow's vulva is contaminated with feces or discharge at the time of AI compared with when the vulva is clean.
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Affiliation(s)
- J Hosie
- Tableland Veterinary Service, PO Box 43, Malanda QLD 4885, Australia
| | - S M Rowe
- Tableland Veterinary Service, PO Box 43, Malanda QLD 4885, Australia; Department of Veterinary Population Medicine, University of Minnesota, St. Paul 55108
| | - J M Morton
- Jemora Pty Ltd., PO Box 2277, Geelong Vic 3220, Australia
| | - W P Tranter
- Tableland Veterinary Service, PO Box 43, Malanda QLD 4885, Australia; College of Public Health, Medical and Veterinary Sciences, James Cook University, QLD 4811, Australia
| | - J Cavalieri
- College of Public Health, Medical and Veterinary Sciences, James Cook University, QLD 4811, Australia.
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18
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Queiroz-Castro VLD, da Costa EP, Alves SVP, Guimarães JD, Dohanik VT, Santos MR, de Souza LFL, Ribeiro CG, Caldas RT, Silva-Júnior A. Detection of bovine herpesvirus 1 in genital organs of naturally infected cows. Theriogenology 2019; 130:125-129. [PMID: 30884333 DOI: 10.1016/j.theriogenology.2019.03.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 02/11/2019] [Accepted: 03/05/2019] [Indexed: 01/09/2023]
Abstract
Bovine herpesvirus 1 (BoHV-1) is a causative agent of respiratory diseases in cattle, and infection with BoHV-1 can cause reproductive failure. There are few studies regarding infections in natural conditions in the reproductive organs of bovine animals. In this context, this study investigated the presence of BoHV-1 in the uterus, oviducts, and ovarian tissues of naturally infected cows. The three genital structures were evaluated for the presence or absence of BoHV-1 by immunofluorescence assay using confocal scanning laser microscopy. Blood and genital organ samples of 75 cows unvaccinated against BoHV-1 were used. Fragments of uterus, oviduct, and ovarian tissue were processed and analyzed by confocal scanning laser microscopy. Neutralization by antibodies was observed in 54.7% (41/75) of the serum samples tested. BoHV-1 were detected in the uterus of all the seropositive cows. The oviducts contained BoHV-1 in 73.2% of the samples and the ovaries contained BoHV-1 in 58.5% of the samples from seropositive animals. The presence of the virus was not observed in any of the genital organs of seronegative animals. There was no correlation between the antibody titer and the detection of BoHV-1 in positive tissue in the different genital organs or with the number of infected structures per animal. The detection of BoHV-1 in 100% of the uterus samples from seropositive cows suggests that this organ may be a source of infection for the fetus, resulting in abortion. Further studies on the mechanism by which BoHV-1 infects the fetus via the uterine route should be performed.
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Affiliation(s)
- Vanessa Lopes Dias Queiroz-Castro
- Department of Veterinary, Division of Animal Reproduction, Federal University of Vicosa, University Campus, PH Rolfs avenue, 36570-000, Vicosa, Minas Gerais, Brazil.
| | - Eduardo Paulino da Costa
- Department of Veterinary, Division of Animal Reproduction, Federal University of Vicosa, University Campus, PH Rolfs avenue, 36570-000, Vicosa, Minas Gerais, Brazil
| | - Saullo Vinicius Pereira Alves
- Department of Veterinary, Division of Animal Reproduction, Federal University of Vicosa, University Campus, PH Rolfs avenue, 36570-000, Vicosa, Minas Gerais, Brazil
| | - José Domingos Guimarães
- Department of Veterinary, Division of Animal Reproduction, Federal University of Vicosa, University Campus, PH Rolfs avenue, 36570-000, Vicosa, Minas Gerais, Brazil
| | - Virgínia Teles Dohanik
- Department of General Biology, Division of Cell Biology and Structural, Federal University of Vicosa, University Campus, PH Rolfs avenue, 36570-000, Vicosa, Minas Gerais, Brazil
| | - Marcus Rebouças Santos
- Department of Veterinary, Division of Preventive Medicine and Public Health, Federal University of Vicosa, University Campus, PH Rolfs avenue, 36570-000, Vicosa, Minas Gerais, Brazil
| | - Luiz Fernando Lino de Souza
- Department of Veterinary, Division of Preventive Medicine and Public Health, Federal University of Vicosa, University Campus, PH Rolfs avenue, 36570-000, Vicosa, Minas Gerais, Brazil
| | - Caroline Gomides Ribeiro
- Department of Veterinary, Division of Animal Reproduction, Federal University of Vicosa, University Campus, PH Rolfs avenue, 36570-000, Vicosa, Minas Gerais, Brazil
| | - Rebeca Toledo Caldas
- Department of Veterinary, Division of Animal Reproduction, Federal University of Vicosa, University Campus, PH Rolfs avenue, 36570-000, Vicosa, Minas Gerais, Brazil
| | - Abelardo Silva-Júnior
- Department of Veterinary, Division of Preventive Medicine and Public Health, Federal University of Vicosa, University Campus, PH Rolfs avenue, 36570-000, Vicosa, Minas Gerais, Brazil
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19
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Alves SVP, da Costa EP, Queiroz-Castro VLD, Machado-Neves M, Guimarães JD, Gomes LL, Azevedo Junior MA, Júnior AS. Bovine herpesvirus 1 can impact the bovine oocyte development during in vitro maturation. Res Vet Sci 2018; 123:135-140. [PMID: 30641473 DOI: 10.1016/j.rvsc.2018.12.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 12/08/2018] [Accepted: 12/31/2018] [Indexed: 12/11/2022]
Abstract
Bovine herpesvirus 1 (BoHV-1) disseminates easily, is difficult to control, and is widely spread in cattle herds worldwide. BoHV-1 causes a broad range of losses to the cattle industry, mainly concerning reproduction. Previous studies involving experimental infection of BoHV-1 in an in vitro embryo production system have reported impairment of embryonic development by BoHV-1. In this study, we evaluated the interference of BoHV-1 in the in vitro maturation system of cumulus-oocyte complexes (COCs) and denuded oocytes (DOs) cultured with a cumulus cell suspension. Blood samples and ovaries were collected from slaughterhouse cows unvaccinated against BoHV-1. Using virus neutralization assays, the seropositive animals were classified according to their antibody titers. The oocytes were recovered by follicular aspiration and divided into two groups, COCs and DOs, which were evaluated for their nuclear maturation capacity using immunofluorescence assays by laser scanning confocal microscopy. Two experiments were carried out: (I) in vitro maturation of COCs and DOs after artificial infection of seronegative animals and (II) in vitro maturation of COCs and DOs of seropositive animals. In experiment I, a difference (P < 0.01) was observed between the maturation rates of the control group COCs (78.2%) and the infected COCs (43.6%). In experiment II, there was a difference (P < 0.01) in the maturation rate between animals with antibody titers ≥16 (56.9%) and the control group (79.4%). Immunofluorescence assays identified BoHV-1 in the COCs and DOs. Therefore, it was concluded that BoHV-1 affects the in vitro maturation process in both in vitro and natural infections.
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Affiliation(s)
- Saullo V P Alves
- Department of Veterinary, Division of Animal Reproduction, Laboratory of Oocyte Maturation and in vitro Fertilization, Federal University of Vicosa (Universidade Federal de Vicosa-UFV), Vicosa, Minas Gerais, Brazil.
| | - Eduardo P da Costa
- Department of Veterinary, Division of Animal Reproduction, Laboratory of Oocyte Maturation and in vitro Fertilization, Federal University of Vicosa (Universidade Federal de Vicosa-UFV), Vicosa, Minas Gerais, Brazil.
| | - Vanessa L D Queiroz-Castro
- Department of Veterinary, Division of Animal Reproduction, Laboratory of Oocyte Maturation and in vitro Fertilization, Federal University of Vicosa (Universidade Federal de Vicosa-UFV), Vicosa, Minas Gerais, Brazil.
| | - Mariana Machado-Neves
- Department of General Biology, Laboratory of Structural Biology, UFV, Vicosa, Minas Gerais, Brazil.
| | - José D Guimarães
- Department of Veterinary, Division of Animal Reproduction, Laboratory of Oocyte Maturation and in vitro Fertilization, Federal University of Vicosa (Universidade Federal de Vicosa-UFV), Vicosa, Minas Gerais, Brazil.
| | - Lidiane L Gomes
- Department of Veterinary, Division of Animal Reproduction, Laboratory of Oocyte Maturation and in vitro Fertilization, Federal University of Vicosa (Universidade Federal de Vicosa-UFV), Vicosa, Minas Gerais, Brazil
| | - Marcos A Azevedo Junior
- Department of Veterinary, Division of Animal Reproduction, Laboratory of Oocyte Maturation and in vitro Fertilization, Federal University of Vicosa (Universidade Federal de Vicosa-UFV), Vicosa, Minas Gerais, Brazil.
| | - Abelardo Silva Júnior
- Department of Veterinary, Division of Preventive Medicine and Public Health, Laboratory of Animal Virology, UFV, Vicosa, Minas Gerais, Brazil.
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20
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Goularte KL, Ferreira CER, Madeira EM, Duval EH, Vieira AD, Mondadori RG, Lucia T. The implementation of a HACCP system improved the efficiency of a bull semen collection and processing center. Anim Reprod 2018; 15:108-113. [PMID: 34122640 PMCID: PMC8186879 DOI: 10.21451/1984-3143-ar2017-022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Bull Semen Collection and Processing Centers (SCPC) have satisfactory control of sperm quality,
but commonly lack standardized quality control of hygiene procedures. This study assessed
the impact of implementing a Hazard Analysis and Critical Control Points (HACCP) system in
a bull SCPC, comparing microbial counts on various steps of semen processing, semen quality
and costs across two periods (before and after the HACCP implementation). After surveying
all routine activities of the SCPC, control points were identified, preventive measures
were designed and corrective actions were employed, whenever necessary. Six months after
HACCP implementation, the system was audited and production data covering two similar periods
of two consecutive years were compared. Counts of colony forming units in samples collected
from artificial vaginas, flexible tubes from the straw filling machine and from fresh and
frozen semen after HACCP implementation were lower than during the previous period (P <
0.05). Improved post-thawing sperm motility, membrane integrity and acrosome integrity
(P < 0.0001) and reduced rejection of semen batches and frozen doses were observed after
HACCP implementation (P < 0.01), resulting in reduced opportunity costs. Thus, the implementation
of a HACCP system in a bull SCPC allowed low-cost production of high-quality semen doses with
reduced microbial contamination.
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Affiliation(s)
- Karina Lemos Goularte
- ReproPel, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil.,Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Carlos Eduardo Ranquetat Ferreira
- ReproPel, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil.,Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Elisângela Mirapalheta Madeira
- ReproPel, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil.,Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Eduarda Hallal Duval
- Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil.,Departamento de Veterinária Preventiva, Laboratório de Inspeção de Produtos de Origem Animal (LIPOA/UFPel), Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, Brazil
| | - Arnaldo Diniz Vieira
- ReproPel, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil.,Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Rafael Gianella Mondadori
- ReproPel, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil.,Departamento de Morfologia, Instituto de Biologia, UFPel, Pelotas, Brazil
| | - Thomaz Lucia
- ReproPel, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil.,Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil
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21
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Derar DR, Ali A, Osman SA, Al-Sobayil FA, Saeed EMA, Hassanein K, Al-Hawas AA. Potential pathogens in infertile male dromedary camels and their association with the spermiogram and clinical findings. ACTA ACUST UNITED AC 2017. [DOI: 10.1007/s00580-017-2461-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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22
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Campbell LJ, Head ML, Wilfert L, Griffiths AGF. An ecological role for assortative mating under infection? CONSERV GENET 2017; 18:983-994. [PMID: 32009857 PMCID: PMC6961493 DOI: 10.1007/s10592-017-0951-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Accepted: 03/01/2017] [Indexed: 11/29/2022]
Abstract
Wildlife diseases are emerging at a higher rate than ever before meaning that understanding their potential impacts is essential, especially for those species and populations that may already be of conservation concern. The link between population genetic structure and the resistance of populations to disease is well understood: high genetic diversity allows populations to better cope with environmental changes, including the outbreak of novel diseases. Perhaps following this common wisdom, numerous empirical and theoretical studies have investigated the link between disease and disassortative mating patterns, which can increase genetic diversity. Few however have looked at the possible link between disease and the establishment of assortative mating patterns. Given that assortative mating can reduce genetic variation within a population thus reducing the adaptive potential and long-term viability of populations, we suggest that this link deserves greater attention, particularly in those species already threatened by a lack of genetic diversity. Here, we summarise the potential broad scale genetic implications of assortative mating patterns and outline how infection by pathogens or parasites might bring them about. We include a review of the empirical literature pertaining to disease-induced assortative mating. We also suggest future directions and methodological improvements that could advance our understanding of how the link between disease and mating patterns influences genetic variation and long-term population viability.
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Affiliation(s)
- L. J. Campbell
- Environment and Sustainability Institute, University of Exeter, Penryn Campus, Penryn, Cornwall TR10 9FE UK
- Institute of Zoology, Zoological Society of London, Regent’s Park, London, NW1 4RY UK
| | - M. L. Head
- Division of Evolution, Ecology and Genetics, Research School of Biology, Australian National University, Canberra, ACT Australia
| | - L. Wilfert
- Centre for Ecology and Conservation, University of Exeter, Penryn Campus, Penryn, Cornwall TR10 9FE UK
| | - A. G. F. Griffiths
- Environment and Sustainability Institute, University of Exeter, Penryn Campus, Penryn, Cornwall TR10 9FE UK
- FoAM Kernow, Studio E, Jubilee Warehouse, Commercial Road, Penryn, Cornwall TR10 8FG UK
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Relationship between the Corynebacterium pseudotuberculosis , phospholipase D inoculation and the fertility characteristics of crossbred Boer bucks. Livest Sci 2016. [DOI: 10.1016/j.livsci.2016.06.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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24
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Prusty BR, Chaudhuri P, Chaturvedi VK, Saini M, Mishra BP, Gupta PK. Visual Detection of Brucella spp. in Spiked Bovine Semen Using Loop-Mediated Isothermal Amplification (LAMP) Assay. Indian J Microbiol 2016; 56:142-7. [PMID: 27570305 PMCID: PMC4984438 DOI: 10.1007/s12088-015-0563-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 12/29/2015] [Indexed: 10/22/2022] Open
Abstract
Several pathogens including Brucella spp. are shed in semen of infected bulls and can be transmitted to cows through contaminated semen during artificial insemination. The present study reports omp2a and bcsp31 gene based loop-mediated isothermal amplification (LAMP) assays for detection of Brucella genomic DNA in semen from infected bulls. The positive results could be interpreted visually by change in colour of reaction mixture containing hydroxyl naphthol blue (HNB) dye from violet to sky blue. LAMP assays based on omp2a and bcsp31 could detect as little as 10 and 100 fg of B. abortus S19 genomic DNA, respectively. Sensitivity of omp2a and bcsp31 LAMP assays for direct detection of organisms in bovine semen was 2.28 × 10(1) CFU and 2.28 × 10(2) CFU of B. abortus S19 in spiked bovine semen, respectively. The omp2a LAMP assay was found equally sensitive to TaqMan probe based real-time PCR and 100 times more sensitive than conventional PCR in identifying Brucella in spiked semen. The diagnostic applicability of the omp2a LAMP assay was evaluated with seventy-nine bovine semen samples and results were re-evaluated through TaqMan probe based real-time PCR and conventional PCR. Taken together, the omp2a LAMP assay is easy to perform, rapid and sensitive in diagnosis of Brucella spp. in bovine semen.
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Affiliation(s)
- Bikash R. Prusty
- Division of Veterinary Biotechnology, Indian Veterinary Research Institute, Izatnagar, 243122 India
| | - Pallab Chaudhuri
- Division of Bacteriology, Indian Veterinary Research Institute, Izatnagar, India
| | - V. K. Chaturvedi
- Division of Biological Products, Indian Veterinary Research Institute, Izatnagar, India
| | - Mohini Saini
- Center for Wildlife, Indian Veterinary Research Institute, Izatnagar, India
| | - B. P. Mishra
- Division of Veterinary Biotechnology, Indian Veterinary Research Institute, Izatnagar, 243122 India
| | - Praveen K. Gupta
- Division of Veterinary Biotechnology, Indian Veterinary Research Institute, Izatnagar, 243122 India
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25
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Raspa M, Mahabir E, Fray M, Volland R, Scavizzi F. Lack of transmission of murine norovirus to mice via in vitro fertilization, intracytoplasmic sperm injection, and ovary transplantation. Theriogenology 2016; 86:579-88. [PMID: 26972226 DOI: 10.1016/j.theriogenology.2016.02.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Revised: 02/10/2016] [Accepted: 02/11/2016] [Indexed: 11/27/2022]
Abstract
Since its discovery in 2003, murine norovirus (MNV) is still endemic in many rodent animal facilities. Our aim was to determine the risk of transmission of MNV (91% homology to MNV3) to embryo recipients and pups via assisted reproductive technologies, especially those which compromise the integrity of the zona pellucida. In vitro fertilization (IVF), assisted in vitro fertilization (AIVF) with reduced glutathione, intracytoplasmic sperm injection, and ovary transplantation were performed. Murine norovirus was detected by qualitative and quantitative reverse transcription polymerase chain reaction. After natural infection of immunocompetent C57BL/6NTacCnrm and immunodeficient athymic nude mice with MNV, the mesenteric lymph nodes, small intestine, spleen, liver, lung, brain, ovary, and testis were infected at specific intervals for more than a 1-year period. At Week 12, the number of viral genomes per milligram of gonad from both strains was 20 to 50. Murine norovirus strictly adhered to spermatozoa collected from infected mice because three washes did not remove MNV from the sperm. After using MNV-positive sperm for IVF, AIVF, and intracytoplasmic sperm injection, 27 to 30 genomes were detected in IVF (n = 100) and AIVF (n = 100) embryos from both mouse strains. Approximately 87% of MNV detected in these embryos was found in the zona pellucida. However, all embryo transfer recipients, pups, and ovary recipients were MNV-negative. The results indicate that manipulation of the germplasm through assisted reproductive technologies did not lead to transmission of MNV to mice. This may be because of the absence of an infectious dose or failure of the MNV strain to replicate effectively in developing embryos and the reproductive tract.
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Affiliation(s)
- Marcello Raspa
- National Research Council (IBCN), CNR-Campus International Development (EMMA-INFRAFRONTIER-IMPC), Monterotondo Scalo, Italy
| | - Esther Mahabir
- Comparative Medicine, Center for Molecular Medicine, University of Cologne, Cologne, Germany
| | - Martin Fray
- Mary Lyon Centre, MRC Harwell, Harwell Science and Innovation Campus, Oxfordshire, UK
| | - Ruth Volland
- Department of Pediatric Oncology and Hematology, Children's Hospital, University of Cologne, Cologne, Germany
| | - Ferdinando Scavizzi
- National Research Council (IBCN), CNR-Campus International Development (EMMA-INFRAFRONTIER-IMPC), Monterotondo Scalo, Italy.
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26
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Garcia-Ispierto I, López-Gatius F. Early Foetal Loss Correlates Positively with Seroconversion against Mycobacterium avium paratuberculosis in High-Producing Dairy Cows. Reprod Domest Anim 2016; 51:227-31. [PMID: 26841136 DOI: 10.1111/rda.12670] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Accepted: 01/09/2016] [Indexed: 11/28/2022]
Abstract
This study was designed to examine (i) the seroprevalence of Mycobacterium avium subs paratuberculosis (MAP) in a high-producing dairy herd with clinical symptoms of bovine paratuberculosis, (ii) MAP seroconversion and seronegativation dynamics in the herd and (iii) possible relationships between MAP infection status and herd reproductive performance. One single blood test per cow was performed early post-partum on a monthly basis from day 10-40 post-partum during the first year of the study in 519 cows belonging to a commercial dairy herd. A subset of 111 cows that became pregnant during the study was tested again 60-200 days later during the early foetal period, immediately after the first confirmation of gestation at 58-64 days post-AI. Logistic regression analysis indicated no effect of any independent variable on MAP seropositivity and conception rate 28-34 days post-AI. MAP seropositivity was not a factor affecting the anoestrous, subfertility and early foetal loss rates. In the subset of 111 cows, animals that seroconverted had a 3.9 times greater risk of suffering from early foetal loss (30.3%, 10/33) than the remaining pregnant animals (10.3%, 8/78), (95% confidence interval: 1.11-13.4; p = 0.003). In conclusion, early foetal loss was positively correlated with seroconversion to MAP. Reproductive performance was not impaired by MAP infection.
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Affiliation(s)
- I Garcia-Ispierto
- Agrotecnio Centre, University of Lleida, Lleida, Spain.,Department of Animal Production, University of Lleida, Lleida, Spain
| | - F López-Gatius
- Agrotecnio Centre, University of Lleida, Lleida, Spain.,Department of Animal Production, University of Lleida, Lleida, Spain
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27
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Saravanajayam M, Kumanan K, Balasubramaniam A. Seroepidemiology of infectious bovine rhinotracheitis infection in unvaccinated cattle. Vet World 2015; 8:1416-9. [PMID: 27047054 PMCID: PMC4774820 DOI: 10.14202/vetworld.2015.1416-1419] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Revised: 10/31/2015] [Accepted: 11/07/2015] [Indexed: 12/05/2022] Open
Abstract
AIM The present study aimed to investigate the seroepidemiology of infectious bovine rhinotracheitis (IBR) infection in the non-vaccinated cattle population in northern part of Tamil Nadu, India. MATERIALS AND METHODS A total of 255 sera samples were collected from cattle having the history of respiratory and reproductive disorder from cattle of different age, breeds, and sex. All the sera samples were subjected to indirect ELISA for the diagnosis of IBR antibodies. RESULTS Results revealed that the seroprevalence of IBR infection among non-vaccinated cattle population was of 65.88%. No significant difference was noticed in the prevalence of IBR infection between cattle showing respiratory (63.64%) and reproductive form (70.89%) (p≥0.05). A higher prevalence was noticed in animals above 3 years of age (59.60%) and in crossbred animals (71.26%) than young and non-descript animals. This study showed the higher prevalence of IBR infection in female (67.92%) than in male (33.33%). CONCLUSION Cattle population in this part can better be protected with vaccination than leaving them unvaccinated and sero-monitoring shall have to be stressed with regular attempts to isolate and characterize the causative agent for IBR.
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Affiliation(s)
- M. Saravanajayam
- Veterinary University Training and Research Centre, Perambalur - 621 220, Tamil Nadu, India
| | - K. Kumanan
- Tamil Nadu Veterinary and Animal Sciences University, Chennai - 600 051, Tamil Nadu, India
| | - A. Balasubramaniam
- Veterinary University Training and Research Centre, Perambalur - 621 220, Tamil Nadu, India
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28
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Goularte KL, Madeira EM, Ferreira CER, Duval EH, Vieira AD, Mondadori RG, Lucia T. Hazard Analysis and Critical Control Points System for a Bull Semen Production Centre. Reprod Domest Anim 2015; 50:972-9. [DOI: 10.1111/rda.12617] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Accepted: 08/26/2015] [Indexed: 11/29/2022]
Affiliation(s)
- KL Goularte
- ReproPel; Universidade Federal de Pelotas; Pelotas RS Brazil
- Faculdade de Veterinária; Universidade Federal de Pelotas; Pelotas RS Brazil
| | - EM Madeira
- ReproPel; Universidade Federal de Pelotas; Pelotas RS Brazil
- Faculdade de Veterinária; Universidade Federal de Pelotas; Pelotas RS Brazil
| | - CER Ferreira
- ReproPel; Universidade Federal de Pelotas; Pelotas RS Brazil
- Faculdade de Veterinária; Universidade Federal de Pelotas; Pelotas RS Brazil
| | - EH Duval
- Faculdade de Veterinária; Universidade Federal de Pelotas; Pelotas RS Brazil
- Lipoa; Universidade Federal de Pelotas; Pelotas RS Brazil
| | - AD Vieira
- ReproPel; Universidade Federal de Pelotas; Pelotas RS Brazil
- Faculdade de Veterinária; Universidade Federal de Pelotas; Pelotas RS Brazil
| | - RG Mondadori
- ReproPel; Universidade Federal de Pelotas; Pelotas RS Brazil
- Instituto de Biologia; Universidade Federal de Pelotas; Pelotas RS Brazil
| | - T Lucia
- ReproPel; Universidade Federal de Pelotas; Pelotas RS Brazil
- Faculdade de Veterinária; Universidade Federal de Pelotas; Pelotas RS Brazil
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29
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Pribylova R, Slana I, Cech S, Kralova A, Pavlik I. Mycobacterium avium subsp. paratuberculosis detected in the reproductive tract of cows from an infected herd. Reprod Domest Anim 2013; 48:790-4. [PMID: 23600627 DOI: 10.1111/rda.12163] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2012] [Accepted: 02/11/2013] [Indexed: 12/01/2022]
Abstract
Mycobacterium avium subspecies paratuberculosis (MAP), the causal agent of paratuberculosis, was detected by quantitative real-time IS900 PCR in the follicular fluid from the reproductive tracts of cows originating from one infected herd. As well as being detected in follicular fluid of cows shedding bacteria in their faeces, MAP was also detected in the follicular fluid of one apparently healthy, non-shedding individual cow. The finding of MAP in follicular fluid is unexpected and could contribute to the lower viability of embryos and resultant lower pregnancy rate. In addition to finding contaminated follicular fluid, vaginal and uterine flush fluids were determined to be positive for the presence of MAP in 75% and 56.3% of the time of the cattle currently shedding MAP in their faeces, respectively. The presence of MAP in different parts of the reproductive tract was seen in clinically as well as subclinically infected cows. These findings extend our currently scant and contradictory knowledge about the dissemination of MAP in the reproductive tract of female cattle.
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Affiliation(s)
- R Pribylova
- Department of Food and Feed Safety, Veterinary Research Institute, Brno, Czech Republic
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30
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Kilburn C, Rooks DJ, McCarthy AJ, Murray RD. Antimicrobial Resistance in Some Gram-Negative Bacteria Isolated from the Bovine Ejaculate. Reprod Domest Anim 2013; 48:525-8. [DOI: 10.1111/rda.12127] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Accepted: 10/27/2012] [Indexed: 11/26/2022]
Affiliation(s)
- C Kilburn
- Institute of Translational Medicine and School of Veterinary Science; University of Liverpool; Neston; UK
| | - DJ Rooks
- Microbiology Research Group; Institute of Integrative Biology; University of Liverpool; Liverpool; UK
| | - AJ McCarthy
- Microbiology Research Group; Institute of Integrative Biology; University of Liverpool; Liverpool; UK
| | - RD Murray
- Institute of Translational Medicine and School of Veterinary Science; University of Liverpool; Neston; UK
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31
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Lessard C, Siqueira L, D'Amours O, Sullivan R, Leclerc P, Palmer C. Infertility in a beef bull due to a failure in the capacitation process. Theriogenology 2011; 76:891-9. [DOI: 10.1016/j.theriogenology.2011.04.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2010] [Revised: 04/14/2011] [Accepted: 04/21/2011] [Indexed: 10/18/2022]
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32
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González-Marín C, Roy R, López-Fernández C, Diez B, Carabaño MJ, Fernández JL, Kjelland ME, Moreno JF, Gosálvez J. Bacteria in bovine semen can increase sperm DNA fragmentation rates: a kinetic experimental approach. Anim Reprod Sci 2010; 123:139-48. [PMID: 21168290 DOI: 10.1016/j.anireprosci.2010.11.014] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2010] [Revised: 11/18/2010] [Accepted: 11/25/2010] [Indexed: 11/17/2022]
Abstract
Cryopreserved straws of semen (n=228) from Holstein bulls (n=47) were examined for bacterial presence and sperm DNA fragmentation (SDF) dynamics. Commercial semen doses (representing six ejaculates per individual) were randomly selected from a bull stud in Spain. The dynamics of SDF were assessed after thawing (T0) and at 4, 24, 48, 72 and 96h of incubation at 37°C, using the commercial variant of the sperm chromatin dispersion test for Bovine (Halomax®). One group of bulls showed a bacterial presence in semen samples between 0 and 96h of incubation (n=23, group A) while the other did not (n=24, group B). Immediate post-thaw differences in SDF were not observed when both groups were compared. However, the rate of increase in SDF (rSDF) over time, considered as an estimate of the kinetic behaviour of sperm DNA survival, was significantly higher (P<0.05) in semen samples from group A (0.7% per hour) versus group B (0.05% per hour). Polymerase Chain Reaction (PCR) assay was used for DNA amplification using primers designed for specific regions of the bacterial gene that codifies for 16S rRNA. Different species within the phyla Bacteroidetes, Firmicutes, Proteobacteria, Cyanobacteria, Fusobacteria and Actinobacteria were identified. The results show that (1) SDF at baseline (T0) may not be affected by the presence of bacteria but the rSDF can increase due to bacterial growth during incubation, (2) the increase in the rSDF is characteristic of some bulls but not for others, and (3) certain bacterial strains are repeatedly found in separate ejaculates from the same bull.
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Affiliation(s)
- C González-Marín
- Unidad de Genética, Departamento de Biología, Universidad Autónoma de Madrid, C/Darwin no. 2, 28049 Madrid, Spain.
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33
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Scientific Opinion on Risk of transmission of TSEs via semen and embryo transfer in small ruminants (sheep and goats). EFSA J 2010. [DOI: 10.2903/j.efsa.2010.1429] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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34
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de la Fe C, Amores J, Martín AG, Sánchez A, Contreras A, Corrales J. Mycoplasma agalactiae detected in the semen of goat bucks. Theriogenology 2009; 72:1278-81. [DOI: 10.1016/j.theriogenology.2009.07.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2009] [Revised: 06/04/2009] [Accepted: 07/20/2009] [Indexed: 10/20/2022]
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