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<blockquote data-quote="bse" data-source="post: 1255062" data-attributes="member: 13989"><p>I use 7 day with 18x1.5 needle in the hip, i think the deeper in that muscle the better.</p><p>I did 35 last week mix of cows and hefiers, 5 hefiers actually responded at 36 hours bred them at 48. Had 32 out of the 35 respond, out of the 3 nonresponders 2 cows 1 hefier. 1 cow was definitely in heat, she is the boss cow I think sometimes they just wont mess with those cows, thats why I breed them all at 72 hours no matter if they stood.</p><p>Looks like Jake got around 77 % with 7 day. Lucky P got around 73% with the 5 day, with 1 inch needles. I got 91% with 1.5 needles. Now all that said next year it can totally flip flop,. Whatever protocols works here or there can change, mother nature still plays her part.</p><p>Im ok with any of these percentages, Jake id bet you get 30% of your nonresponders. Sometimes if im breeding at 60 and 72 ill give the gnrh to the nonresponders at 60 then everything gets bred anyway at 72 so it gives the gnrh a little time before breeding.</p></blockquote><p></p>
[QUOTE="bse, post: 1255062, member: 13989"] I use 7 day with 18x1.5 needle in the hip, i think the deeper in that muscle the better. I did 35 last week mix of cows and hefiers, 5 hefiers actually responded at 36 hours bred them at 48. Had 32 out of the 35 respond, out of the 3 nonresponders 2 cows 1 hefier. 1 cow was definitely in heat, she is the boss cow I think sometimes they just wont mess with those cows, thats why I breed them all at 72 hours no matter if they stood. Looks like Jake got around 77 % with 7 day. Lucky P got around 73% with the 5 day, with 1 inch needles. I got 91% with 1.5 needles. Now all that said next year it can totally flip flop,. Whatever protocols works here or there can change, mother nature still plays her part. Im ok with any of these percentages, Jake id bet you get 30% of your nonresponders. Sometimes if im breeding at 60 and 72 ill give the gnrh to the nonresponders at 60 then everything gets bred anyway at 72 so it gives the gnrh a little time before breeding. [/QUOTE]
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