Economic evaluation of using Sex-sorted semen in embryo transfer program in Holstein dairy cattle

Document Type : (original research)

Authors

1 Department of Animal Science, Moghan Faculty of Agriculture and Natural Resources, Mohaghegh Ardabili University, Ardabil, Iran

2 Department of Animal Science, Faculty of Agriculture and Natural Resources, Mohaghegh Ardabili University, Ardabil, Iran

3 Department of Biotechnology, Institute of Science and High Technology and Environmental Science, University of Advanced Technology, Kerman, Iran

10.22034/aej.2022.335280.2782

Abstract

Sex-sorted semen is an important technology in cattle breeding. Without the widespread use of sexed semen, the major part of genetic development occurs through the selection of males in dairy herds. The objective of this research was to investigate the effect of using sexed semen in embryo transfer program economically. Six strategies were compared based on economic value (EV). Visual basic 6 and Excel software were applied for calculations. In strategy 1, 5% of heifers were considered as donors and were inseminated by sexed semen. In strategy 2, 5% of heifers and cows were donors and were inseminated by sexed semen. In strategy 3, the number of heifer and cow donors, was similar to strategy 2 but conventional semen was used for all donors. The number of heifer and cow donors in strategy 4 was similar to strategy 2 but sexed semen was used for heifer donors and conventional semen for cow donors. In strategy 5, 10% of heifers were considered as donors and were inseminated by sexed semen. Strategy 6 was similar to strategy 5 but conventional semen was used for all donors. According to the results, among these strategies, the EVs of strategies 1 and 5 were higher than other strategies. It showed that using sexed sorted semen for insemination of superovulated heifers would result in higher EV. The lowest EV was related to the strategy that used sexed semen for all donors, including heifers and cows. The main reason is the low number of transferable embryos after using sexed semen in donor cows. The Results showed that the use of sexed semen in the embryo transfer technique for heifers is more effective than its use in cows.


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Journal of Animal Environment
Volume 15, Issue 1
June 2023
Pages 81-86

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