A and B variants, are associated with a high content of alpha-s1 casein in milk. *
E, F and N variants, are associated with a lower content of alpha-s1 casein in milk.
O1 represents a non-functional variant ("null") that is associated with lack of alpha-s1 casein production. Any combination of "high" variants will produce high amounts of alpha-s1 casein.
Any combination of "high" and "low" variants, or "high" and "null" variants, will produce intermediate amounts of alpha-s1 casein.
Any combination of "low" variants, with or without "null" will produce low amounts of alpha-s1 casein. Goats with two copies of the O1 "null" variant will not produce alpha-s1 casein protein.
* This test is not designed to detect subvariants of A and B.
Here's what's happening at our Bellafire Farm, registered ADGA dairy goat farm, here in McMinnville Oregon ~ I use this Blog to keep track of ALL things happening with our farm life (fair warning to you keeping up on this Blog Page lol! There will be ALL kinds of info related to running our herd).
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