Probably the right bull, there could be at least a 60 day window even if they were synchronized, which it sounds like they were. If MGA was used to prevent bulling prior to AI or before turning out with the bull of choice and prostglandin injections were started immediately then it is not uncommon for heifers to breed immediately, mature cows are less likely to breed before 18-21 days after suppression.
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Today's Featured Article - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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