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40% open cows
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<blockquote data-quote="Anonymous" data-source="post: 12431"><p>Young heifers aren't always predictable. Some will reach puberty at an earlier age. Some will not rebreed quickly after the first calf. Some things to help: 1. Make sure your bull is potent and effective. 2. Vaccinate your heifers and bull with a vaccine that covers most or all and that is safe for the one's that may already be bred. (I use Cattlemaster VL5) 3. Worming and nutrient supplement plays a major role also. I'm averaging 95% or better calving. (Not a huge herd, but decent sized) That didn't come easy. When I first started I learned the hard way. I bought cheaper stock and ending up culling ruthlessly. Now I only get replacements from a reputable program or my own herd. Don't keep much from my own herd unless it is exceptional as I try to introduce new blood and maintain the integrity of my crossbreeding program as much as possible. If none of these work, better have a vet get some blood samples.</p><p></p><p>> We bought 7 heifers from a guy two</p><p>> years ago - the next year</p><p>> everything calved normal. That</p><p>> fall we pregged all cows, and had</p><p>> 5 of those 7 either open or way</p><p>> late. Got rid of those 5. This</p><p>> year had one of the original cows</p><p>> abort at 7-8 months. Just pregged</p><p>> all the cows and the remaining two</p><p>> we purchased as heifers are open,</p><p>> along with all of our young 2 and</p><p>> 3 year olds we raised. The old set</p><p>> of 6 year old cows are bred, and</p><p>> have bred up every year with no</p><p>> problem. BVD? Or what did we bring</p><p>> in with those 7 heifers we</p><p>> bought?? Excellent mineral</p><p>> program, good grass hay in the</p><p>> winter. Any ideas?</p></blockquote><p></p>
[QUOTE="Anonymous, post: 12431"] Young heifers aren't always predictable. Some will reach puberty at an earlier age. Some will not rebreed quickly after the first calf. Some things to help: 1. Make sure your bull is potent and effective. 2. Vaccinate your heifers and bull with a vaccine that covers most or all and that is safe for the one's that may already be bred. (I use Cattlemaster VL5) 3. Worming and nutrient supplement plays a major role also. I'm averaging 95% or better calving. (Not a huge herd, but decent sized) That didn't come easy. When I first started I learned the hard way. I bought cheaper stock and ending up culling ruthlessly. Now I only get replacements from a reputable program or my own herd. Don't keep much from my own herd unless it is exceptional as I try to introduce new blood and maintain the integrity of my crossbreeding program as much as possible. If none of these work, better have a vet get some blood samples. > We bought 7 heifers from a guy two > years ago - the next year > everything calved normal. That > fall we pregged all cows, and had > 5 of those 7 either open or way > late. Got rid of those 5. This > year had one of the original cows > abort at 7-8 months. Just pregged > all the cows and the remaining two > we purchased as heifers are open, > along with all of our young 2 and > 3 year olds we raised. The old set > of 6 year old cows are bred, and > have bred up every year with no > problem. BVD? Or what did we bring > in with those 7 heifers we > bought?? Excellent mineral > program, good grass hay in the > winter. Any ideas? [/QUOTE]
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