Scientists from the New Zealand Livestock Improvement Association (LIC) recently discovered genetic changes in dairy cows that affect milk composition.
A reporter from New Zealand Dairy Product Network (NZDN.CO.NZ) learned from the media release center of the New Zealand Livestock Improvement Association that all cows actually have “obesity genes†and are called AGPAT6, but Matt Littlejohn, a senior scientist at the New Zealand Animal Improvement Association The doctor said that the genetic changes found in genetics explain why some cows produce milk with higher fat content than other cows.
“If you think that milk production is lower than the general production value, this is because some of the cows in the herd are related to the “fatty chain.†This means that some cows are very productive in terms of yield, but some are very lazy. "The discovery associated with AGPAT6 can help us better understand how the cow's mammary gland and genetic genes affect the composition of milk itself."
This new discovery, published in the international scientific journal PLOS ONE, will now be used to help dairy farmers improve the accuracy of the genetic selection of dairy cows and improve the genetics of the future dairy cow herds in New Zealand. However, the genetic changes discovered this time can only represent a small part of the global identified cow's milk composition due to the difference in potential genetics of the cow.
The changes discovered this time are part of the New Zealand Livestock Improvement Association's genetic sequencing program, in order to be able to place hereditary genetic changes in herds' genetics and improve herd production and health. The genetic changes discovered this time were to enable more accurate selection of genetics of dairy cows.
The New Zealand Livestock Improvement Association's research project is sponsored by the New Zealand Ministry of Primary Industries and led by Fonterra and the New Zealand Dairy Products Association. This and previous discoveries will rank the New Zealand Animal Improvement Association's database.
Dr. Littlejohn said, “Sorting work is a bit like reassembling a whole cow. The more you fight, the clearer the overall whole part of the genetics will be. The biggest advantage now is that we realize that we can detect More genetics and genetic changes now in place. Accumulating this information will yield great results, especially in terms of gene selection."
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