Prevention and treatment of chronic respiratory diseases in chickens
1. Improve the feeding environment, pay attention to heat preservation, prevent excessive density, and maintain ventilation in the house.
two。 All in and out, spray disinfection of chicken body regularly.
3. Trial vaccine prevention: broilers can be vaccinated with mycoplasmosis attenuated vaccine, breeder chickens can be vaccinated with mycoplasmosis oil emulsion inactivated vaccine, 10 days old, once before the start of production.
4. Drug prevention and treatment. At present, the prevention and treatment of planned drug administration is still the key to control the disease, of which prevention is the most important. If the disease has been epidemic or serious, the effect is not ideal.
(1) the principle of drug use.
① chicks should be administered in the first three days after hatching, in order to control the pathogens caused by contaminated breeding eggs, and should be administered immediately for 1 or 2 days when there are stress factors (such as vaccination, mouth cutting, hurdling and climate change, etc.).
The choice of drugs for ② can be considered comprehensively according to the age of chickens, economic cost and the need to prevent other diseases. If the chick is young, the dosage is less, and the drug with higher cost can be used, such as Pushiping, it can also prevent and cure white dysentery while preventing the disease.
③ can not use the same drug for a long time because of mycoplasmosis and colibacillosis. The dosage should be sufficient and the course of treatment should be long (3-5 days).
(2) commonly used drugs.
① macrolides: Gorimixian (Erythromycin), Tylosin (Tylosin), Beilimycin, lincomycin.
② tetracyclines: doxycycline, oxytetracycline, tetracycline, chlortetracycline.
③ aminoglycosides: streptomycin, gentamicin, kanamycin, Zhibaiyan (spectinomycin).
④ quinolones: Prozapine, carbendazim (norfloxacin, norfloxacin), Jinlida (pefloxacin mesylate), ofloxacin, sarafloxacin, difloxacin.
⑤ compound preparation: Qingpusheng (Lincoln mycin + spectinomycin), special bird fungus net.
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Comprehensive prevention and treatment of pig iron deficiency
Preventive measures to strengthen the feeding management of lactating sows, feeding complete feed, it is best to let the piglets with the sow to the shed activities. Laterite or deep dry soil can also be placed in the pigsty, and pigs can eat freely. If necessary, iron can be added to pigs. Western medicine treatment: First, take 100 grams of ferrous sulfate, 20 grams of copper sulfate, ground mixed in 5 kilograms of fine sand, scattered in the pig pen, any pig licking food. 2. Take 21 grams of ferrous sulfate and 7 grams of copper sulfate, dissolve them in 1000 ml of water, and filter them.
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Camp breeding of pregnant sows
[from mating conception to delivery is called pregnancy] the basic task of feeding and management of pregnant sows is to ensure the normal development of fertilized eggs and fetuses in the mother, to prevent the occurrence of stillbirth and abortion, so as to obtain a large number of piglets with good breeds; to ensure that sows are in good condition during pregnancy and lay the foundation for lactation. In addition, the first-born sows should be given preferential feeding, and the first-born sows need 2330% nutrition to maintain their own growth and development. 1. Weight changes of pregnant sows: sows during pregnancy
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