1, to see appetite healthy dairy cows have a strong appetite, eating faster and faster, after eating began to ruminate (commonly known as the collapse of the foam), in the case of fresh grass, no mildew, if the cow is found on the grass just sniffing If you do not want to eat or eat less, you are sick.
2, to see the feces and urine Healthy cows feces rounded, high edge, foveal, and emit fresh cow dung taste; urine was pale yellow, transparent. If stools are found to be granules or cows have diarrhea diarrhea, or even malodorous smells, mixed with blood and gravy; urine also changes, such as the color yellow or red, is the performance of dairy cows.
3, measuring body temperature is measured with a thermometer by cows rectal body temperature, normal body temperature of 37.5 °C -39.5 °C if the body temperature is above or below the normal range is the performance of the disease.
4. Observing a healthy cow with agile action, flexible eyes, swinging tails, and shiny fur. If one finds that the cow's eyes are awkward, the fur is rough, the back is arched, the person stands still, and even the trembling and shaking, the tail does not shake, it is a manifestation of illness.
5, to see nostrils healthy cows regardless of the weather is hot and cold, the nose always sweat, ruddy color. If the nose is dry and there is no sweat, it is a symptom.
6. Record the difference in milk production Each time milk production is different, healthy milk cows produce more stable milk. If the milk production suddenly drops, it is a sign of illness.
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