Prevention and treatment of self-biting disease and hair-eating disease of cultured mackerel
1), the cause of self-bite: lack or imbalance of trace elements, stress, skin inflammation, parasites, viruses, nerves, heredity and other factors.
Symptoms: the incubation period ranges from 20 days to several months. Rotate, bite a part of the body accompanied by screams, bite off hair, damage the skin, tail tip, muscle, bleeding, resulting in infection and death.
Treatment: ① currently has no specific therapy, the affected area is cleaned with iodine tincture and potassium permanganate, can be conserved as follows. ② 1-2% Novocaine 0.5ml, intramuscular injection, once a day, a course of treatment every 3 days. ③ compound vitamin B 0.1L, calcium lactate 0.5g, chlorpromazine hydrochloride 25mg, glucose 0.5g. Take orally or add to the feed twice a day. ④ chloroxazine hydrochloride 0.5ml, vitamin B1 11ml, penicillin 400000 units, nicotinic acid 0.5ml. One intramuscular injection, one course of treatment every 3 days. ⑤ hydrocortisone per kg body weight 2 ml, 5% glucose 20 ml, intravenous drip, once a day, 3 days a course of treatment. If ⑥ is caused by acariasis, it should be dewormed in time.
2) the causes of trichiasis (alopecia): lack or imbalance of trace elements, lack or imbalance of sulfur-containing amino acids (methionine, cystine, cysteine).
Symptoms: bite off the tip of the neck, buttocks and tail, and the villi become shorter.
Treatment: ① feeding at best 4% accords with premix. ② was fed 20 grams of feather meal or 5 grams of methionine per day, and 4 grams of VC was coated.
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High-yielding techniques of raising long-haired rabbits in winter
Scientific feeding of long-haired rabbits has a certain selectivity to feed. Such as like to eat leafy feed, sweet food, especially carrots and sulfur feed. When conditions permit, adding a small amount of sugar, earthworm powder and vegetable oil to Japanese food can increase its suitability.
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1 early weaning many farmers artificially weaned early when raising wild boars in order to breed early and let piglets go on the market earlier. Due to the underdeveloped mammary glands, small lactation and short lactation time of wild boars, early weaning can easily lead to small and weak piglets.
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