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Evaluation of Polymorphism of Leu/Val of Growth Hormone Gene in Friesian Holstein Cows at Breeding Centre of Dairy Cattle Baturraden Mu’in, MA; Zurahmah, N
ANIMAL PRODUCTION Vol 11, No 3 (2009): September
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

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Abstract

The Leu/Val polymorphism of the growth hormone evaluation was studied in 35 Friesian Holstein dairy cow at Baturraden Breeding Centre of Dairy Cattle. A 211 bp DNA fragment of GH gene spanning from the forth intron region (49 bp) to fifth of exon (162 bp) was amplified and digested with AluI restriction enzyme to identified polymorphism at this locus. Allele frequencies of variant Leu (leucine) and Val (valine) were 0.91 and 0.09, respectively. Selection to raising of Val allele frequencies have probably to increase of milk production at population of Friesian Holstein dairy cow at Baturraden Breeding Centre of Dairy Cattle. (Animal Production 11(3): 155-159 (2009) Key Words: gene, growth hormone, Leu/Val polymorphism, Friesian Holstein
Kajian Kesejahteraan Hewan dan Hubungannya dengan Karakteristik Peternak pada Peternakan Kambing di Manokwari Zurahmah, N; Masriani, M
PETERPAN (Jurnal Peternakan Terapan) Vol. 6 No. 2 (2024)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/peterpan.v6i2.3473

Abstract

This study aims to assess the level of welfare of goats kept intensively in Manokwari, and to analyze the relationship with characteristics of traditional farmers and the level of welfare of the goats they keep. The research was conducted in an area densely populated with goats (Prafi and Masni districts), in Manokwari. The research sample of 21 goat farms, selected by purposive sampling, was used in this study. Animal welfare assessment was carried out using the Animal Needs Index (ANI) method which was modified according to goats. The results showed that only 33% of goat farms in the study area were classified as prosperous. There is a significant relationship (P<0.05) between age and rearing scale with the welfare level of the goats they keep. Therefore, it is necessary to pay attention to the age of the breeder and the scale of rearing goats in Manokwari in an effort to improve the welfare of the goats kept.