Abstract
In goat ?S1-casein locus, 18 alleles with four different expression levels have been identified so far having a significant influence on milk protein, casein, fat contents, manufacturing properties and cheese yield. In Romania, unimproved Carpathian goat breed exhibits a high heterogeneity concerning milk quality. The goal of the present study was to investigate aS1-casein polymorphisms in some populations from the central part of Romania, in order to further establish the nature of milk protein content variation. Genotyping was carried out on 507 milk samples (belonging to 5 populations from Transylvania). Allele frequencies on the six loci coding for the major milk proteins were calculated.
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