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Artificial Insemination (AI) for Cattle
Taking Weights
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<blockquote data-quote="SPH" data-source="post: 1620539" data-attributes="member: 20580"><p>When you have a lot more acres and head to manage I'm sure it takes a lot more diligence to keep on top of taking weights. We have a small select herd of registered Polled Hereford females and we take a weight within 24 hours of birth. All we do is use a digital bathroom scale and subtract the weight we take while holding the calf from the weight of the person. We have an old Paul scale with the balance bar weight we take weaning and yearling weights on as well. The key is being consistent with your methods that you use to collect measurable data. Don't guess, use a scale and weigh them all with the same process. </p><p></p><p>Typically with registered animals when you turn the weights in to your association they get a ratio against their contemporary group so you get an adjusted ratio based on age so for weaning and yearling you obviously are not going to take weights at exactly 205 and 365 days for each animal so the weights you collect on a particular date get adjusted to what that animal would likely weigh if they all were the same age and then you get a ratio where 100 is your average so under 100 they are below average against their contemporaries and above 100 they are above average. You can even get more micro than just weights and collect ultrasound carcass data on your bulls or slaughter cattle, scrotal measurements of bulls and hip heights to name some things we collect that all add value to the accuracy and transparency of the genetics we use. If you are wanting to go into the registered seedstock business your potential buyers will value that data as well.</p></blockquote><p></p>
[QUOTE="SPH, post: 1620539, member: 20580"] When you have a lot more acres and head to manage I'm sure it takes a lot more diligence to keep on top of taking weights. We have a small select herd of registered Polled Hereford females and we take a weight within 24 hours of birth. All we do is use a digital bathroom scale and subtract the weight we take while holding the calf from the weight of the person. We have an old Paul scale with the balance bar weight we take weaning and yearling weights on as well. The key is being consistent with your methods that you use to collect measurable data. Don't guess, use a scale and weigh them all with the same process. Typically with registered animals when you turn the weights in to your association they get a ratio against their contemporary group so you get an adjusted ratio based on age so for weaning and yearling you obviously are not going to take weights at exactly 205 and 365 days for each animal so the weights you collect on a particular date get adjusted to what that animal would likely weigh if they all were the same age and then you get a ratio where 100 is your average so under 100 they are below average against their contemporaries and above 100 they are above average. You can even get more micro than just weights and collect ultrasound carcass data on your bulls or slaughter cattle, scrotal measurements of bulls and hip heights to name some things we collect that all add value to the accuracy and transparency of the genetics we use. If you are wanting to go into the registered seedstock business your potential buyers will value that data as well. [/QUOTE]
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