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Veterinary Research Forum، جلد ۱۴، شماره ۴، صفحات ۲۰۷-۲۱۲
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عنوان انگلیسی Effect of bovine viral diarrhea virus biotypes exposure on bovine gametes in early embryonic development in vitro
چکیده انگلیسی مقاله Bovine viral diarrhea virus (BVDV) is an important viral agent causing reproductive failure in cattle. The objectives of the current study were to investigate the interaction between two BVDV biotypes, cytopathic (CP) and Non-cytopathic (NCP) and bovine gametes during in vitro fertilization (IVF) processing, the existence of the virus within embryonic cells and early embryonic development rates. Sperm and ova were exposed separately to CP and NCP BVDV at two concentrations of 104.5 and 105.5 tissue culture infectious dose 50.00% (TCID50) mL-1 prior to IVF, respectively. After five days post-IVF, early embryonic development rates of infected groups were assessed. Several embryos of each group, normal and degenerated, were selected for a viral assay using reverse transcription polymerase chain reaction technique. The result showed that the early embryonic development rates were decreased in treatment groups. The rates in the CP groups were lower than the NCP groups. In the CP groups, the proportions were, respectively, 10.00, 6.00 and 11.00, and 6.00% in the infected sperm and oocyte groups (104.5 and 105.5 TCID50 mL-1) that were higher than 50.00% in the control group. In NCP groups, the rates were, respectively, 25.00, 18.00 and 24.00, and 21.00% in the infected groups compared to 48.00% in the control group. In the CP groups, no BVDV was detected in normal embryos, whereas, all degenerated embryos were completely virus-positive. In the NCP groups, the virus was detected in both normal and degenerated embryos. In conclusion, this study supported detrimental impacts of CP and NCP BVDV on early embryonic development and the role of sperm and the zona pellucida layer as carriers of the virus. 
کلیدواژه‌های انگلیسی مقاله Bovine viral diarrhea virus,Cytopathic,Early embryonic development,In vitro fertilization,Non-cytopathic
نویسندگان مقاله Aidin Rahim Tayefeh |
Department of Theriogenology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran

Massoud Talebkhan Garoussi |
Department of Theriogenology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran

Farid Heidari |
Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran

Mehran Bakhshesh |
Department of Animal Virology, Research and Diagnosis, Razi Vaccine and Serum Research Institute (AREEO), Karaj, Iran

Abulfazl Shirazi |
Reproductive Biotechnology Research Center, Avicenna Research Institute (ACECR), Tehran, Iran

Maryam Vahidi |
Department of Animal Biotechnology, Faculty of Agriculture Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran

نشانی اینترنتی https://vrf.iranjournals.ir/article_702486_7bbdc3290584f0dfa72da17beaa61bfe.pdf
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