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<blockquote data-quote="BC" data-source="post: 387860" data-attributes="member: 67"><p>After having two years of dry weather here in East Texas, I can tell you do not wait too long to start culling and reducing your stocking rate. Dr. Ron Gill, Livestock specialist with Texas Cooperative Extension made the following recommendations to Texas producers:</p><p>" The first culls should be any spring or summer calving cow that does not have a calf at side. Normal rates of pregnancy loss and calf death loss will result in 5 to 15% of the cow herd meeting these culling criteria. If a cow calved last fall, winter or this spring and lost a calf, sell regardless of age or pregnancy status. This is no time to wait for next years income. This just accelerates recommended or normally practiced culling procedures. Also included in this first round of culling are replacement heifers that have been purchased or raised but not already in production. During drought, first calf</p><p>heifers will wean the lightest calves and have the lowest</p><p>rebreeding potential of any age class.</p><p> Removing replacement heifers (at a 15% replacement rate), will result in a 7 to 10% reduction in stocking rate and forage demand. Supplemental feed requirements will also be reduced because replacement heifers have high nutrient requirements. At this stage of culling, herd size can be reduced 12-25% without impacting this years weaned calf crop. Next, cull shortbred fall calving cows and long bred spring/summer calving cows. Few cows will meet these criteria unless the breeding season was extended last year due to dry conditions. In contrast, 5 to 15% of the cows may be identified as late-bred in herds with extended or year-round calving seasons. Palpation and identification of cows by stage of pregnancy will be required to use this culling practice. At this point, a 15 to 40% reduction in cow numbers can be attained without significantly impacting this year's weaned calf crop."</p></blockquote><p></p>
[QUOTE="BC, post: 387860, member: 67"] After having two years of dry weather here in East Texas, I can tell you do not wait too long to start culling and reducing your stocking rate. Dr. Ron Gill, Livestock specialist with Texas Cooperative Extension made the following recommendations to Texas producers: " The first culls should be any spring or summer calving cow that does not have a calf at side. Normal rates of pregnancy loss and calf death loss will result in 5 to 15% of the cow herd meeting these culling criteria. If a cow calved last fall, winter or this spring and lost a calf, sell regardless of age or pregnancy status. This is no time to wait for next years income. This just accelerates recommended or normally practiced culling procedures. Also included in this first round of culling are replacement heifers that have been purchased or raised but not already in production. During drought, first calf heifers will wean the lightest calves and have the lowest rebreeding potential of any age class. Removing replacement heifers (at a 15% replacement rate), will result in a 7 to 10% reduction in stocking rate and forage demand. Supplemental feed requirements will also be reduced because replacement heifers have high nutrient requirements. At this stage of culling, herd size can be reduced 12-25% without impacting this years weaned calf crop. Next, cull shortbred fall calving cows and long bred spring/summer calving cows. Few cows will meet these criteria unless the breeding season was extended last year due to dry conditions. In contrast, 5 to 15% of the cows may be identified as late-bred in herds with extended or year-round calving seasons. Palpation and identification of cows by stage of pregnancy will be required to use this culling practice. At this point, a 15 to 40% reduction in cow numbers can be attained without significantly impacting this year’s weaned calf crop." [/QUOTE]
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