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Cattle Boards
Breeding / Calving Issues
How Reliable is "Bumping"
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<blockquote data-quote="jersey lilly" data-source="post: 237098" data-attributes="member: 2258"><p>If they are bred 6 or more months along you don't hafta bump. If you'll just observe them on the right side while they are grazing most times you can see the calf move. The soft spot between the hind legs and rib cage. </p><p>I don't rely on this method tho. Best way is to lay a hand on it, palpatin. </p><p>I'm not even real convinced on the ultra sound method either, daughters commercial pen of 3 show heifers were done in june, first time I'd seen it done. The monitor they used was 2 inches x 4 inches. When they located the cervex it was about the size of a pencil eraser on the screen.(when in real life it's about 2 to 3 inches in diameter and 5 to 7 inches long.) You cannot convince me that if a cow is early bred, say only a month or two, (when the fetus is the size of a marble, or golf ball) that they can see that on that small monitor. One of her heifers , while he was doin the ultrasound,he stopped on a black area and she seen the actual calf, could see legs, head and everthang, he moved it, and then couldnt locate it again, then called the heifer open.</p></blockquote><p></p>
[QUOTE="jersey lilly, post: 237098, member: 2258"] If they are bred 6 or more months along you don't hafta bump. If you'll just observe them on the right side while they are grazing most times you can see the calf move. The soft spot between the hind legs and rib cage. I don't rely on this method tho. Best way is to lay a hand on it, palpatin. I'm not even real convinced on the ultra sound method either, daughters commercial pen of 3 show heifers were done in june, first time I'd seen it done. The monitor they used was 2 inches x 4 inches. When they located the cervex it was about the size of a pencil eraser on the screen.(when in real life it's about 2 to 3 inches in diameter and 5 to 7 inches long.) You cannot convince me that if a cow is early bred, say only a month or two, (when the fetus is the size of a marble, or golf ball) that they can see that on that small monitor. One of her heifers , while he was doin the ultrasound,he stopped on a black area and she seen the actual calf, could see legs, head and everthang, he moved it, and then couldnt locate it again, then called the heifer open. [/QUOTE]
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How Reliable is "Bumping"
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