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Farmer Jan...
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<blockquote data-quote="Dsth" data-source="post: 1841199" data-attributes="member: 38038"><p>we used DHIA on the dairy herd 20+ years ago. a DHIA supervisor (which I am guessing Jan is) would come to the farm once a month at milking time. the farmer (me) would milk as usual but with a DHIA milk sample devise in the system. the devise would separate a calibrated % of the milk from each cow and supervisor would record milk weight and take a small sample to send to the test lab. about a week later, you would get a report of the cow's estimated milk production for a year, SCC, protein, %fat, and probably others that I have forgotten. report would also contain other info that you could provide like days in milk, next calf due date, age, and other info that I have probably forgotten. the report was probably the best source of info for culling cows or for embryo donors.</p></blockquote><p></p>
[QUOTE="Dsth, post: 1841199, member: 38038"] we used DHIA on the dairy herd 20+ years ago. a DHIA supervisor (which I am guessing Jan is) would come to the farm once a month at milking time. the farmer (me) would milk as usual but with a DHIA milk sample devise in the system. the devise would separate a calibrated % of the milk from each cow and supervisor would record milk weight and take a small sample to send to the test lab. about a week later, you would get a report of the cow's estimated milk production for a year, SCC, protein, %fat, and probably others that I have forgotten. report would also contain other info that you could provide like days in milk, next calf due date, age, and other info that I have probably forgotten. the report was probably the best source of info for culling cows or for embryo donors. [/QUOTE]
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