The possibility of genetic evaluation of bovine embryos
Abstract
Khatib A, Rukin I., Pantiukh K., Brigida A., Kovalchuk S., Vitiukhovskiy, Abralava M., Sharko F., Mazur A.
Improving the domestic dairy farming by increasing the average milk production from dairy cows is one of the main properties in the Russia Federation for these days. The use of modern technologies in animal breeding can accelerate the genetic improvement and increase the milk production from dairy cattle. In this study, it has been developed, for the first time in Russia, a system for genotyping the cattle embryos for the Russian Holstein breed (Black-and-white breed). Biopsy was performed for 200 embryos obtained from high-value donor cows and Holstein bulls. Biopsy specimens were genotyped using BovineSNP50 v3 DNA microarray. The average concentration of DNA after the whole-genome amplification (WGA) for the 200 biopsied samples was 277.01 ng/ µl. From the 200 biopsied embryos, 50 showed low-quality genotype (call rate < 85%). The average value of call rates for the other 150 embryos was 91.61%. From the 150 embryos, 60 were selected for transplanting. A total of 16 calves were born. The genotypes for calves highly matched (84.12% to 95.15%) those for corresponding embryos. The genomic estimated breeding values (GEBVs) were calculated for calves and corresponding embryos for 305-day milk yield trait using the single-step genomic BLUP (ssGBLUP) model. The results showed a positive correlation between the genomic breeding values estimated based on genotypes of embryos and those obtained from genotypes of corresponding calves (r2 =0.93). The genomic estimated breeding values for calves highly matched those for the embryos especially when call rates for embryos were higher than 91%. These results indicate the possibility of estimation of the genomic breeding value for the Russian Holstein cattle at the embryo stage for the 305-day milk yield trait. That would reduce the costs of maintaining the young animals that are low-valued and accelerate the reproduction of high-value breeding animals.
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Pubmed Style , . The possibility of genetic evaluation of bovine embryos . SRP. 2019; 10(1): 156-160. doi:10.5530/srp.2019.1.29 Web Style , . The possibility of genetic evaluation of bovine embryos . http://www.sysrevpharm.org/?mno=302644731 [Access: March 29, 2021]. doi:10.5530/srp.2019.1.29 AMA (American Medical Association) Style , . The possibility of genetic evaluation of bovine embryos . SRP. 2019; 10(1): 156-160. doi:10.5530/srp.2019.1.29 Vancouver/ICMJE Style , . The possibility of genetic evaluation of bovine embryos . SRP. (2019), [cited March 29, 2021]; 10(1): 156-160. doi:10.5530/srp.2019.1.29 Harvard Style & (2019) The possibility of genetic evaluation of bovine embryos . SRP, 10 (1), 156-160. doi:10.5530/srp.2019.1.29 Turabian Style , and ., Abralava M., Sharko F., Mazur A.. 2019. The possibility of genetic evaluation of bovine embryos . Systematic Reviews in Pharmacy, 10 (1), 156-160. doi:10.5530/srp.2019.1.29 Chicago Style , and ., Abralava M., Sharko F., Mazur A.. "The possibility of genetic evaluation of bovine embryos ." Systematic Reviews in Pharmacy 10 (2019), 156-160. doi:10.5530/srp.2019.1.29 MLA (The Modern Language Association) Style , and ., Abralava M., Sharko F., Mazur A.. "The possibility of genetic evaluation of bovine embryos ." Systematic Reviews in Pharmacy 10.1 (2019), 156-160. Print. doi:10.5530/srp.2019.1.29 APA (American Psychological Association) Style & (2019) The possibility of genetic evaluation of bovine embryos . Systematic Reviews in Pharmacy, 10 (1), 156-160. doi:10.5530/srp.2019.1.29 |