Ismudiono and Srianto, Pudji and Sardjito, Trilas and Lestari, Tita Damayanti (2015) Determination of Born Calves’Sex Based On Insemination Time in Dairy Cows. Journal of Lucrari Stiintifice Seria Zootehnie, 64 (20). pp. 160-165. ISSN 1454-7368, Online ISSN 2067-2330

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Abstract

Former researchers found that there are differences of shape, cap size, motility ability, age, electricity and chemical characters between Y and X chromosome bearing sperm. Y sperm moves faster, has smaller size but shorter life time within female reproduction tract. In opposite, X sperm is 3% fatter and has more round shape. Concerning its bigger shape, X sperm moves slower, but has longer life time in female reproductive tract. Based on that matter, this research was conducted to find out the sex of born calves depend on insemination time, early to inseminate, best time to inseminate and late to inseminate. This research us ed 40 head of cows, divided by four groups; each group consists of 10 head. Control group was inseminated by sexed semen, first, second, third and forth group was inseminated by unsexing semen, respectively on early, the best and late time of insemination. Successfully pregnancy was obtained from the best time insemination, both by sexing and unsexing semen. While born calves sex were not significant different, meant almost the same, from both semen. Research result showed in semination by both sexing and unsexing semen which was done in early time to inseminate will tend yield female calves. Key words: sexing semen, insemination time, dairy cow, born calves sex

Item Type:	Article
Uncontrolled Keywords:	sexing semen, insemination time, dairy cow, born calves sex
Subjects:	S Agriculture > SF Animal culture > SF600-1100 Veterinary medicine
Divisions:	06. Fakultas Kedokteran Hewan > Reproduksi Veteriner
Creators:	Creators NIM Ismudiono UNSPECIFIED Srianto, Pudji UNSPECIFIED Sardjito, Trilas UNSPECIFIED Lestari, Tita Damayanti UNSPECIFIED
Depositing User:	Nn Erna Dwi Indriyani
Date Deposited:	03 Oct 2018 14:54
Last Modified:	25 Dec 2021 04:12
URI:	http://repository.unair.ac.id/id/eprint/74083
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