2, see breast recognition: breast expansion, nipple straight, pregnant cows; breasts do not swell, nipples are not hard straight were not pregnant.
3, to see the bull's eye identification: pregnant cow right above the pupil of the iris there are three particularly exposed vertical blood vessels, the so-called pregnancy blood vessels, it is full of protrusions on the iris surface, purple-red; and not pregnant cow on the iris The blood vessels are small and not exposed.
4, to see oral recognition: open the cow's mouth, look at the mouth on both sides of the sublingual meat, if it is bright red, it is a pregnant cow; if it is pink or light red, the cow is not pregnant.
5, with pressure abdominal recognition: people stand on the left side of the cow facing the back, the left hand to help cattle back, right hand light pressure on the left belly, if something touches and hits the hand, or see something in the belly belly touch Indicates that the cow is pregnant.
6, with alcohol test: Take the fresh milk to be tested 100 ml of milk, into a clean glassware, and then take a 95% of medical alcohol 1 ml drip into the fresh milk, fully mixed in 5 minutes, if it happens The phenomenon of agglutination proves that the cow is already pregnant; if it agglutinates after half an hour, there is no pregnancy.
7, to see the tail identification: cattle tail does not flick in the swing, if you cover the vulva and put the left or right oblique, indicating that the cow is pregnant; if the tail is vertically covered among them, indicating that there is no pregnancy.
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