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Extensive winter feeding
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<blockquote data-quote="Jeanne - Simme Valley" data-source="post: 1656938" data-attributes="member: 968"><p>Lute will NOT get them cycling. Lute (PG) will get an animal to come into standing heat if and only if she is already cycling AND is in the proper "window" to respond to the shot. PG will only work on cattle that have a Corpus Leutium (CL). Cattle develop a usable CL about 5-7 days after a standing heat. On a normal cycle, the cow will sluff her CL about 2-5 days prior to standing. So, a cow only has a usable CL for about 14 days.</p><p>If the cattle are in good shape and are within that 14 day +/- carrying a CL, they will respond to the shot, they will all cycle during your 7 day wait prior to the bull, then nothing will come into heat for about 2 weeks with the bull doing nothing for those 2 weeks. I could understand if you gave the shot, AI bred everything that responded, then turn bull in on day 7 to clean up. Seems like a waste of $$ on shots. Not sure if your neighbor understands PG shots.</p></blockquote><p></p>
[QUOTE="Jeanne - Simme Valley, post: 1656938, member: 968"] Lute will NOT get them cycling. Lute (PG) will get an animal to come into standing heat if and only if she is already cycling AND is in the proper "window" to respond to the shot. PG will only work on cattle that have a Corpus Leutium (CL). Cattle develop a usable CL about 5-7 days after a standing heat. On a normal cycle, the cow will sluff her CL about 2-5 days prior to standing. So, a cow only has a usable CL for about 14 days. If the cattle are in good shape and are within that 14 day +/- carrying a CL, they will respond to the shot, they will all cycle during your 7 day wait prior to the bull, then nothing will come into heat for about 2 weeks with the bull doing nothing for those 2 weeks. I could understand if you gave the shot, AI bred everything that responded, then turn bull in on day 7 to clean up. Seems like a waste of $$ on shots. Not sure if your neighbor understands PG shots. [/QUOTE]
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