Posted by JMS/.MN on February 03, 2016 at 17:56:09 from (209.237.124.204):
In Reply to: Dairy Question posted by Moonlite37 on February 03, 2016 at 17:42:01:
A 12 month calving interval would be desirable, and more profitable, but if you can hold to about 12.5 months, you"re doing a good job. It needs constant attention to heat detection, as well as observing post-partum issues like clear vs cloudy vaginal discharge. Herd checks by the veterinarian are done at least on a monthly basis, to address those issues. Cloudy discharge means an infection, and if the cow settles, she is likely to abort, thus increasing the calving interval. Heat detection is super important.
I did my own AI for over 20 years, and one advantage was that I could breed the cow on her and my schedule, rather than wait for the inseminator. AI stud evaluator came out once a year to grade the cows for conformation, and I could specify hi and low semen price I was willing to pay to meet his specs. Calving ease was an important factor, and the evaluation markedly decreased the share of cows that needed assistance.
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