ASSOCIATION OF GENETIC VARIANTS OF β-LACTOGLOBULIN GENE WITH MILK PRODUCTION IN A HERD AND A SUPERIOR FAMILY OF HOLSTEIN CATTLE (SHORT COMMUNICATION)

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HEYDARI MARYAM; AHANI AZARI M.; HASANI SAEID; KHAN AHMADI A.R.; ZEREHDARAN S.

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Journal: Iranian Journal of Biotechnology Year:2009 | Volume:7 | Issue:4 Page(s): 254-257

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Title

ASSOCIATION OF GENETIC VARIANTS OF β-LACTOGLOBULIN GENE WITH MILK PRODUCTION IN A HERD AND A SUPERIOR FAMILY OF HOLSTEIN CATTLE (SHORT COMMUNICATION)

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Keywords

β-LGQ3

HOLSTEINQ3

MILK PRODUCTIONQ3

POLYMORPHISMQ2

PCR-RFLPQ3

Abstract

Polymorphism of the b-lactoglobulin (b-LG) gene in 101 cows belonging to the HOLSTEIN herd and a superior cow, producing more than 150 Kg milk/day, together with four offsprings was investigated by the Polymerase Chain Reaction-Restriction Fragment Length POLYMORPHISM (PCR-RFLP) method. In the HOLSTEIN herd, the alleles A and B of the b-LG gene had frequencies of 0.53 and 0.47, respectively. The genotypes AA, AB and BB of the b-LG gene were estimated to have frequencies of 0.257, 0.544 and 0.198, respectively. Genotypes were distributed according to the Hardy-Weinberg equilibrium. Results indicated that the b-LG genotypes significantly affected (P<0.01) milk yield (genotype AA being more effective than genotype BB). The superior cow and her progenies were all heterozygotes (AB).

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APA: Copy

HEYDARI, MARYAM, AHANI AZARI, M., HASANI, SAEID, KHAN AHMADI, A.R., & ZEREHDARAN, S.. (2009). ASSOCIATION OF GENETIC VARIANTS OF β-LACTOGLOBULIN GENE WITH MILK PRODUCTION IN A HERD AND A SUPERIOR FAMILY OF HOLSTEIN CATTLE (SHORT COMMUNICATION). IRANIAN JOURNAL OF BIOTECHNOLOGY, 7(4), 254-257. SID. https://sid.ir/paper/139267/en

Vancouver: Copy

HEYDARI MARYAM, AHANI AZARI M., HASANI SAEID, KHAN AHMADI A.R., ZEREHDARAN S.. ASSOCIATION OF GENETIC VARIANTS OF β-LACTOGLOBULIN GENE WITH MILK PRODUCTION IN A HERD AND A SUPERIOR FAMILY OF HOLSTEIN CATTLE (SHORT COMMUNICATION). IRANIAN JOURNAL OF BIOTECHNOLOGY[Internet]. 2009;7(4):254-257. Available from: https://sid.ir/paper/139267/en

IEEE: Copy

MARYAM HEYDARI, M. AHANI AZARI, SAEID HASANI, A.R. KHAN AHMADI, and S. ZEREHDARAN, “ASSOCIATION OF GENETIC VARIANTS OF β-LACTOGLOBULIN GENE WITH MILK PRODUCTION IN A HERD AND A SUPERIOR FAMILY OF HOLSTEIN CATTLE (SHORT COMMUNICATION),” IRANIAN JOURNAL OF BIOTECHNOLOGY, vol. 7, no. 4, pp. 254–257, 2009, [Online]. Available: https://sid.ir/paper/139267/en

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