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Breeding / Calving Issues
Calving ease
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<blockquote data-quote="Ebenezer" data-source="post: 1798900" data-attributes="member: 24565"><p>This issue is not about the date to weigh and, yes, dwarfism in not linked to gestation length that we know about. But short gestation, like preemies in humans, can/will have less developed lungs - part of the "early". And short gestation "curve bender bulls and cattle" have the anomaly of low birth weight (due to early) and higher growth rate which is something genetic to let the animals mature (finish growing) at a later age. Somehow the link normal link to BW/MW is skewed. There is always a great rush, it seems, to anomalies and freaks in the livestock world. Pet world, too. Circus side show world, too... Just read the article on the cloned steer that they are using to create a high prime, low YG herd at some university. The professor stated that an abnormality is what he is seeking to concentrate in some words.</p><p></p><p>The true answer would have an EPD adjustment for gestation length in the BW EPD and to go back to collecting the old data info of expected gestation lengths. It used to be in the AI catalogs at one time. Back then, I did not realize the significance. It would level the playing field and likely keep down issues of stacking short gestation cattle just like the thread is going about the problems of stacking all low BW cattle for generations. For me, I will avoid them like the plague. One time is enough: "been there - done that" decades ago.</p></blockquote><p></p>
[QUOTE="Ebenezer, post: 1798900, member: 24565"] This issue is not about the date to weigh and, yes, dwarfism in not linked to gestation length that we know about. But short gestation, like preemies in humans, can/will have less developed lungs - part of the "early". And short gestation "curve bender bulls and cattle" have the anomaly of low birth weight (due to early) and higher growth rate which is something genetic to let the animals mature (finish growing) at a later age. Somehow the link normal link to BW/MW is skewed. There is always a great rush, it seems, to anomalies and freaks in the livestock world. Pet world, too. Circus side show world, too... Just read the article on the cloned steer that they are using to create a high prime, low YG herd at some university. The professor stated that an abnormality is what he is seeking to concentrate in some words. The true answer would have an EPD adjustment for gestation length in the BW EPD and to go back to collecting the old data info of expected gestation lengths. It used to be in the AI catalogs at one time. Back then, I did not realize the significance. It would level the playing field and likely keep down issues of stacking short gestation cattle just like the thread is going about the problems of stacking all low BW cattle for generations. For me, I will avoid them like the plague. One time is enough: "been there - done that" decades ago. [/QUOTE]
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