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Starting out with Dexters...
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<blockquote data-quote="djinwa" data-source="post: 1184629" data-attributes="member: 8265"><p>Just be aware there is more to consider with breed and color than price at the salebarn.</p><p></p><p>Cattle are big heat producers due to rumen fermentation, so they start to experience heat stress around 70 degrees. It takes extra energy to dissipate the heat, meaning less feed going to growth, etc. Fertility also declines in heat.</p><p></p><p>It is well established in animal science that black cattle have significantly increased heat stress, as black absorbs more solar radiation. Dexters are more scrawny than other breeds, so black ones would suffer less than standard breeds.</p><p></p><p>Simple suggestion would be red angus cows. There are certain lines that are smaller framed. As mentioned, could breed to a black bull and get black calves, and perhaps do AI to red angus to get red replacement heifers.</p><p></p><p>Good cattletoday article on heat stress:</p><p><a href="http://www.cattletoday.com/archive/2007/June/CT1033.shtml" target="_blank">http://www.cattletoday.com/archive/2007 ... 1033.shtml</a></p></blockquote><p></p>
[QUOTE="djinwa, post: 1184629, member: 8265"] Just be aware there is more to consider with breed and color than price at the salebarn. Cattle are big heat producers due to rumen fermentation, so they start to experience heat stress around 70 degrees. It takes extra energy to dissipate the heat, meaning less feed going to growth, etc. Fertility also declines in heat. It is well established in animal science that black cattle have significantly increased heat stress, as black absorbs more solar radiation. Dexters are more scrawny than other breeds, so black ones would suffer less than standard breeds. Simple suggestion would be red angus cows. There are certain lines that are smaller framed. As mentioned, could breed to a black bull and get black calves, and perhaps do AI to red angus to get red replacement heifers. Good cattletoday article on heat stress: [url=http://www.cattletoday.com/archive/2007/June/CT1033.shtml]http://www.cattletoday.com/archive/2007 ... 1033.shtml[/url] [/QUOTE]
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