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Artificial Insemination (AI) for Cattle
Heat Detection for AI
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<blockquote data-quote="CattleMan1920" data-source="post: 1551027" data-attributes="member: 37967"><p>Good question, but I really can't tell, it seems that we are about even between the two on conventional semen. I really couldn't give you accurate information on this because we use a lot of sexed semen. More than 50% of what we are using right now is SAV Raindance sexed semen. We are taking our heifers and making more heifers, and will take those heifers and make even more heifers with another sexed semen sire.</p><p></p><p>My A.I. tech has brought up this topic however and he thinks that there is something to it, and he said he has heard a lot of old timers say that the time which the service occurs can determine the sex. </p><p></p><p>I usually see discharge and a bit of sniffing around before the alert goes off, maybe an hour most, the monitor on the collar picks up VERY quickly on any above average movement based on an algorithm and is usually dead on right. This is a big advantage with the use of sexed semen. Through a lot of trial and error, we don't consider the heat until the monitor alerts us, and the vertical bars go green. The horizontal bar is just kind of an early indicator that something may be coming, but it can be misleading if the weather is wild, which it has been. Consider the drop in rumination on the monitor as a dog raising his head up when someone is outside, but not barking yet.</p><p></p><p>I think the 12-hour rule is the best, and I still like the rule that if they come in at night, breed in the morning and vice versa, but I will have to say, some of the heats have been over before 12 hours and if I had waited, I would have missed them. Some heats have lasted 26 hours as well. I've noticed that heifers have milder heats than a fully mature cow. A big cow can make the monitor go as far as it can on the chart whereby a heifer might make it go halfway. I know all of this sounds nuts, but it's true.</p><p></p><p>Dairymaster, in my opinion, is collecting, aggregating, and selling all of this data, just like Facebook, to companies such as Zoetis, and feed producers. There is a lot to be gleaned from this. I don't really mind, because we get what we want from the system and if they use the data to profit, who cares?</p><p></p><p>What I like about this system the most is that it's scalable. I could have 250 cows on it, 500 cows, 1000 cows, all coming into my iPhone. Each day in less than 30 minutes I can check every single cow, and know if there are any anomalies. This has nothing to do with being fancy as some people say, it has more to do about valuing my time and the health of the herd. I realize that I could synch them all, but after talking in depth with my ABS rep, he said this was a better solution for what we are trying to accomplish.</p></blockquote><p></p>
[QUOTE="CattleMan1920, post: 1551027, member: 37967"] Good question, but I really can't tell, it seems that we are about even between the two on conventional semen. I really couldn't give you accurate information on this because we use a lot of sexed semen. More than 50% of what we are using right now is SAV Raindance sexed semen. We are taking our heifers and making more heifers, and will take those heifers and make even more heifers with another sexed semen sire. My A.I. tech has brought up this topic however and he thinks that there is something to it, and he said he has heard a lot of old timers say that the time which the service occurs can determine the sex. I usually see discharge and a bit of sniffing around before the alert goes off, maybe an hour most, the monitor on the collar picks up VERY quickly on any above average movement based on an algorithm and is usually dead on right. This is a big advantage with the use of sexed semen. Through a lot of trial and error, we don't consider the heat until the monitor alerts us, and the vertical bars go green. The horizontal bar is just kind of an early indicator that something may be coming, but it can be misleading if the weather is wild, which it has been. Consider the drop in rumination on the monitor as a dog raising his head up when someone is outside, but not barking yet. I think the 12-hour rule is the best, and I still like the rule that if they come in at night, breed in the morning and vice versa, but I will have to say, some of the heats have been over before 12 hours and if I had waited, I would have missed them. Some heats have lasted 26 hours as well. I've noticed that heifers have milder heats than a fully mature cow. A big cow can make the monitor go as far as it can on the chart whereby a heifer might make it go halfway. I know all of this sounds nuts, but it's true. Dairymaster, in my opinion, is collecting, aggregating, and selling all of this data, just like Facebook, to companies such as Zoetis, and feed producers. There is a lot to be gleaned from this. I don't really mind, because we get what we want from the system and if they use the data to profit, who cares? What I like about this system the most is that it's scalable. I could have 250 cows on it, 500 cows, 1000 cows, all coming into my iPhone. Each day in less than 30 minutes I can check every single cow, and know if there are any anomalies. This has nothing to do with being fancy as some people say, it has more to do about valuing my time and the health of the herd. I realize that I could synch them all, but after talking in depth with my ABS rep, he said this was a better solution for what we are trying to accomplish. [/QUOTE]
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