Buy black and white cows to look at seven

Look at the appearance. The elite black-and-white cows are tall and well-developed, with well-developed rear bodies. The body is an inverted triangle. The milk veins are mostly curved and the breasts are well developed. The coat is a well-defined black-and-white flower, with white stars on the forehead, lower extremities, lower abdomen, and cercariae. white.

Second look at milk production. Good breed black-and-white cows have 305 days of lactation, milk production is generally above 5,000 kg, and daily milk production is not less than 15 kg.

Three to see the nose. A healthy cow's nose is moist with drops of water. Diseased cows are cyanotic and feverish.

Four look rumination. Healthy ruminants are normal, ruminants do not disappear except for estrus, ruminants do not completely stop ruminating, and pain, hunger, and disease can cause rumination to stop.

Five to see feces. The feces of normal house-fed cows are yellowish-brown, and the grazing cows are yellow-green.

Six look for food. A healthy cow has a good appetite and normal feeding. The appetite of the sick cow is reduced and the picky eater is serious.

Seven to see mastitis. Fresh milk is titrated with 75% alcohol. If there is a cup of milk or precipitation, the cow has mastitis or subclinical mastitis.

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