A2 Corporation Limited

The a2 Milk Company Limited

Michael Lewis Tate

Christopher Anthony Morris

Michael Ah Lee

A method of reducing the level of saturated fatty acids relative to the level of unsaturated fatty acids in milk. In particular, the genotyping and/or phenotyping of bovine cows on the basis of the amino acid residue located at position 67 of beta-casein produced in their milk. The invention is based on the finding that there is a correlation between the ratio of saturated to unsaturated fatty acids in milk and the beta-casein variants in milk.

Method of determining fatty acid composition of milk

This invention relates to a method for determining whether a bovine animal possesses a gene for &#x3b2;-casein Aor the gene for &#x3b2;-casein Ain its milk by testing the DNA of the bovine animal for the presence of at least one DNA marker (excluding those DNA markers present in the sequence of the genes themselves). In particular, the method uses SNPs as DNA markers for the &#x3b2;-casein Aand &#x3b2;-casein Agenes.

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Dunedin, New Zealand

Michael Lewis Tate