1. Symptoms

The sick cow suddenly comes on. The symptoms are: white foam around the mouth, salivation, tears, small pupils, poor eyesight, and blindness, hyperintestinal sounds, increased defecation frequency, and sometimes diarrhea and blood. . Severely ill cows are characterized by manic temperament, muscle cramps, tremors, and difficulty breathing. In the late stage, she had convulsions, slow pulse and breathing, and finally died of suffocation due to respiratory muscle paralysis.　　

2. Prevention and treatment 　　

(1) Prevention. First of all, it is necessary to improve the pesticide storage and use system; secondly, the seeds and the prepared solution after the pesticide treatment should not be placed randomly; thirdly, properly keep the pesticide spraying tools; fourthly, the pesticide spraying time should be in the morning and evening when there is no wind; Places where pesticides have been sprayed must be marked as “toxic”, and grazing and mowing are not allowed within one month; fifth, do not abuse pesticides to kill parasites on the body of livestock; sixth, the amount of trichlorfon repellent should be appropriate.　　

(2) Treatment. When poisoning is found, the cattle should be separated from the toxic substances immediately, and pralidoxime and atropine should be used for treatment immediately. When using atropine, the dose must be large, 0.06 g-0.2 g, subcutaneous injection or intravenous injection, once every 4-5 hours, can significantly reduce the symptoms. Then use 5-10 grams of pralidoxime to prepare a 2%-5% solution for intravenous injection, once every 4-5 hours. The symptoms are as follows: the pupils gradually dilate, the salivation at the mouth is constantly reduced, the mouth is dry, the vision returns to normal, and the symptoms are significantly reduced or returned to normal. In addition, the effect of double complex phosphorus is better than that of chlorpyridine, and the dosage is 10 mg/kg body weight -20 mg/kg body weight.　

(3) For severely dehydrated cows, it is best to use intravenous injection for fluid rehydration. For sick cows with weaker heart function, cardiotonic drugs should be used.

(4) Early gastric lavage can be used for cows that are sick after eating poisons; for cows that are poisoned due to body surface contact, the body surface can be scrubbed.