Treatment of Chicken Gump-Paul Disease
1 the diseased chickens were isolated and injected intramuscularly with 2 ml antiserum for each diseased chicken, and 1 ml for emergency prevention for each chicken without disease.
(2) 0.05% oxytetracycline was added to the feed for 3 days to prevent secondary infection of bacterial diseases.
(3) disinfect chickens with them. Disinfect thoroughly with 1 ∶ 1000 disinfectant and pay attention to feeding management at the same time.
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South Korean scientists have bred "biochemical pigs" to produce therapeutic agents for cerebral thrombosis.
South Korean scientists have successfully developed a biochemical pig (biopig) that produces a therapeutic agent for cerebral thrombosis (cerebral hemorrhage) through urine. South Korea's Rural Revitalization Agency said a few days ago: "the gene for the treatment of cerebral thrombosis (TPA) was injected into the fertilized eggs of pigs and successfully bred four pigs whose therapeutic substances can be excreted through milk and urine." South Korea has become the second country in the world after the United States to produce animals that can be genetically modified to treat cerebral thrombosis. The United States adopted transgenic technology in 1997.
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Lean cattle grazing and fattening
Grazing fattening cattle is a fattening method based on the use of natural pastures. The grazing and fattening method has the advantages of low feeding cost, good fattening effect and easy to be popularized in the vast agricultural and pastoral areas. During the 150-day grazing and fattening period of lean cattle, the daily gain of local cattle was 0.5ml 0.7 kg, the daily gain of beef hybrid cattle was 0.8ml 1.2 kg, and the total weight gain of each cow was 100ml 180kg, which increased the economic benefit by 300Mel 400 yuan. The techniques of grazing and fattening cattle are introduced as follows. 1. Selection of fattening cattle
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