In May and June of each year, when cattle and sheep feed on too much young grass, they are rapidly fermented in the stomach and produce a lot of gas that is not easy to excrete. This causes swelling of the stomach, commonly known as “grass bloat”, that is, rumen hernia.

1. Symptoms. The abdomen of the diseased animal rapidly enlarges, and in particular, the left abdomen is prominently projected. When the hand is beaten, it feels tense and elastic, and the sound is as loud as a drum. The diseased cattle are depressed, do not eat, do not cud, and feel restless. The head often reviews the abdomen standing still, arching back and bending, frequent urination, breathing more and more difficult, and severe cases immediately collapse.

2. Prevention. The first week or two of conversion from grazing to grazing, feeding hay before grazing. During cattle grazing, cattle and sheep were found to be suffocated. Other cattle and sheep should be rushed to places where there is less grass so as to avoid causing the disease.

3. Treatment. (1) Pull the sick animal to the slope, head high, one person to open his mouth, the other person to massage the bulge with his hands, or put a small wooden stick across the mouth, the two ends of the stick with a rope On the head, then massage, so that the stomach gas discharge from the mouth. (2) At the same time as discharging gas in the stomach, cast the anti-fermenting agent such as formalin, cow 10 to 20 ml, and sheep 1 to 3 ml. (3) When sick animals are in crisis, they can be punctured with a trocar to deflate at the highest point in the left abdomen.

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