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Breeding / Calving Issues
genetic disorder question
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<blockquote data-quote="cul8r" data-source="post: 214856" data-attributes="member: 1133"><p><strong>The calf initiates the birth process</strong>. So yes, it could be a gene that the bull is passing to the calves to where they are going longer than normal gestation, in turn, a very large calf.</p><p></p><p>The following is a a paragraph from the ABS AI Management Manual.</p><p></p><p><strong>Through a series of Successive interdependent events, the calf initiates the complex birth process. </strong>First, the cervix relaxes under the influence of hormones. Then the uterus contracts, forcing the fetal fluids within the fetal membranes to open the cervix. As the fluid-filled fetal membranes, followed by the calf itself, enter and stretch the vagina, contractions of the abdominal wall and diaphragm muscles along with continued uterine contractions rupture the fetal membranes. Fetal fluids are discharged. The calf is forced through the remainder of the birth canal by abdominal contractions.</p><p></p><p>I'm sure the guy isn't making it up, he probably has had the bull tested. You said that he bought the bull from you, so, he can do anything he wants with it. </p><p></p><p>If I was you, I would be testing the dam and sire of the bull, if you still have them, to see where the genetic problem is coming from, before people that have bought other bulls and heifer's from you start having major problems.</p></blockquote><p></p>
[QUOTE="cul8r, post: 214856, member: 1133"] [b]The calf initiates the birth process[/b]. So yes, it could be a gene that the bull is passing to the calves to where they are going longer than normal gestation, in turn, a very large calf. The following is a a paragraph from the ABS AI Management Manual. [b]Through a series of Successive interdependent events, the calf initiates the complex birth process. [/b]First, the cervix relaxes under the influence of hormones. Then the uterus contracts, forcing the fetal fluids within the fetal membranes to open the cervix. As the fluid-filled fetal membranes, followed by the calf itself, enter and stretch the vagina, contractions of the abdominal wall and diaphragm muscles along with continued uterine contractions rupture the fetal membranes. Fetal fluids are discharged. The calf is forced through the remainder of the birth canal by abdominal contractions. I'm sure the guy isn't making it up, he probably has had the bull tested. You said that he bought the bull from you, so, he can do anything he wants with it. If I was you, I would be testing the dam and sire of the bull, if you still have them, to see where the genetic problem is coming from, before people that have bought other bulls and heifer's from you start having major problems. [/QUOTE]
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