Posted by phillip d on November 29, 2007 at 16:34:42 from (142.176.76.83):
In Reply to: Re: Cow question posted by Coloken on November 29, 2007 at 12:14:13:
They have had those for years now.Rechargable battery pack,strap around the vet's neck.Long black cord with a plastic probe on the end.Up the butt it goes,while being held they move it around and make a picture onscreen of the calf,or not a calf.Can preg check at 28 days using this method.At 70 days,not after 85,they can 90% accurately tell you if you are having a bull or heiffer if you want to pay them to look at that time.Can even tell you if the cow's having multiple birth.You can even buy sorted semen,90% heiffer's for dairy cattle. A product that you are asking about is D-G 29 from Alta Genetics.You take the sample 29 days after breeding and ship it to their lab.You find out a few days later.Cows that are bred and don't show again later may not be in calf.They may be cystic and not come in heat again until they are treated with gnrh.Or they may have silent heats,or simply you may miss seeing them standing.The vets are expensive,but it is cheaper to find out she's open sooner,than assume she is and months later find out she's not.pd.
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