Chicken lymphocytic leukemia
Similar symptoms: hepatomegaly, with gray-white nodular, chestnut or diffuse tumors on the surface. (similar to Chicken Cholera, Chicken Salmonella, Chicken colibacillosis, Chicken Tuberculosis, Chicken Campylobacter Hepatitis, Chicken tissue trichomoniasis, Chicken inclusion body Hepatitis, Chicken Marek's Disease (visceral Type), Chicken Fatty liver Syndrome, Chicken reticuloendotheliosis)
Specific symptoms: most of them occur in chickens at the age of 10 weeks; there are tumor nodules in spleen, lung and kidney, and nodular tumors in bursa of Fabricius.
Treatment: 1. There is no treatment at present. Only precautions can be taken.
⑴ uses breeding eggs from virus-free hens to hatch chicks.
⑵ chicks and adult chickens should be kept in isolation.
⑶ regular inspection, found that sick chickens are eliminated at any time, found suspicious chickens, immediate isolation and observation.
⑷ this virus is excreted along with the feces, and the feces of diseased and suspected chickens should be piled up to kill the virus.
⑸ pays attention to the epidemic prevention and disinfection of chicken farms, the environment and appliances of chicken farms should be disinfected regularly, and practical methods should be taken to disinfect vehicles and personnel in and out, so as to eliminate the source of the disease, which is the most effective preventive method.
2. Live Avian anemia Vaccine: suitable for preventing infectious anemia of chicken, specification 1000 head / bottle, usage: subcutaneous, intramuscular injection or wing thorn seed.
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Ingenious trick of feed formula for pigs during lactation
During the lactation period, sows need a lot of nutrients to satisfy lactation. During the peak lactation period, the lactation ability of sows is greater than that of feed intake and less than the amount of nutrients excluded from milk, and the body condition of sows decreases rapidly. feeding lactating sows with high quality and high nutrient concentration feed is the best way to solve this contradiction. feed formula 1: table 4, color 3, lactation feed formula 1 avoids the use of large solvent feed such as alfalfa as far as possible. Unified bran, etc. In the formula design of lactation feed, the unknown factor of nutrition is not very important.
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Control of Chicken Sclerosis
Chickens hard crop disease, also known as crop obstruction, is caused by chicken crop filled with food and accumulated in the mouth of the second esophagus under the sac, so that food can not reach the glandular stomach for digestion. Adult chickens and chicks can occur, the latter more common. I. Causes of disease. Mainly because the chicken ate a lot of feathers, rope head, dry hard indigestible feed and large pieces of hard food caused. II. Symptoms of disease. The crop of sick chickens is obviously enlarged, hard, depressed, eating less or stopping food. In severe cases, sick chickens show difficulty in breathing, and the comb and meat are purple. Finally,
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