Year: 2018 | Month: June | Volume 8 | Issue 3
Αlpha-S1 Casein Gene Polymorphism and Association with Milk Production Traits in Sahiwal and Holstein Frisian Crossbred Cattle
Abstract:
The present research work was conducted on 100 lactating cows comprising 50 each of Sahiwal and HF Crossbred cattle. All the screened in Sahiwal (n = 50) and HF Crossbred (n = 50) cows revealed monomorphic pattern, only, AA genotype (310 bp) was found at αs1-casein gene (CSN1S1)/HindIII locus. The allelic frequency for allele A in the screened animals of Sahiwal and HF Crossbred cattle was 1.00 and for allele B was 0.00. The population was found under HWE at this locus (χ2=0.00NS). Milk yield and Daily milk yield was noticed significantly higher in HF Crossbred as compared to Sahiwal cattle.
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