id="par0005">Low variability of DGAT1 gene was found in a panel of 9 breeds reared in Spain.
id="par0010">A new DGAT1gene polymorphism was detected in exon 1 (g.358C > A).
id="par0015">SNP g.8539 C > T has a significant effect on milk lactose content.
id="par0020">SNP g.8539 C > T has a significant effect on C4:0, C16:1 c9, and the n-6:n-3 ratio.