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Vol. 12, Special Issue 7 (2023)

Comparative genomics study of different genetic variants of αs2-casein gene (CSN1S2) with milk production traits (lactose, SNF & density) in Malvi and Nimari cattle of Madhya Pradesh, India

Author(s):
Akhilesh Pandey, DS Gonge and Y Pandey
Abstract:
αs2-casein is a primary milk protein. However, there has been little research focused on the effects of αs2- casein variants on milk. The αs2-casein (CSN1S2) play a major protein found in ruminant’s milk, which is encoded by a highly polymorphic CSN1S2 gene present on chromosome 6. Research work was carried out on 50 animals each of Malvi and Nimari cow at College of Veterinary Science Jabalpur, Madhya Pradesh, India. The αS2 casein gene (1267 bp) was digested by EcoRV restriction enzyme yielding two genotypes viz., AA (1267 bp) and BB (1267/1150/117 bp) in Malvi and Nimari cow. Association study of different genotypes with milk composition traits revealed that the mean lactose % was significantly higher in Malvi compared to Nimari for A2A2 genotype. The difference of mean SNF % between Malvi, Nimari was found non-significant. The mean milk density (kg/L) was significantly higher in Nimari breed compared to Malvi.
Pages: 110-112  |  248 Views  110 Downloads
How to cite this article:
Akhilesh Pandey, DS Gonge and Y Pandey. Comparative genomics study of different genetic variants of αs2-casein gene (CSN1S2) with milk production traits (lactose, SNF & density) in Malvi and Nimari cattle of Madhya Pradesh, India. The Pharma Innovation Journal. 2023; 12(7S): 110-112.
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