The difference between Chicken Plague and Cholera
When chicken cholera is prevalent, chickens, ducks and geese often die at the same time, while Newcastle disease occurs only in chickens.
Symptoms chicken cholera acute crop is full of food, while Newcastle disease is full of gas and liquid; chronic will appear head and neck twisting and other neurological symptoms, chicken cholera has no neurological symptoms, the course of disease is short.
A large amount of yellowish fluid was found in the pericardium of chicken cholera, epicardial hemorrhage, grayish-white necrotic spots on the surface of the liver, yellow cheese-like exudates on the surfaces of air bags and intestines, while there were no necrotic spots in the liver of Newcastle disease. there are often bleeding or ulcers under the cuticular membrane of glandular stomach and myogastric stomach.
Treatment of chicken cholera with sulfonamides or antibiotics is effective, while Newcastle disease is ineffective.
The pathogen of chicken cholera is Pasteurella multocida, which can be examined with an ordinary microscope, while Newcastle disease is caused by the virus and cannot be seen with an ordinary microscope.
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Drugs for infectious diseases of respiratory system in pigs
Infectious diseases of pig respiratory system are common diseases in pig production, most of which are rhinitis and pneumonia. the common symptoms are cough, sneezing and dyspnea. Pigs of different ages and breeds can be infected, and the speed of infection is fast and the number is large. Infectious diseases of pig respiratory system have the following characteristics: first, the pathogen is complex, often not caused by the same or several bacteria, but closely related to a variety of factors in the environment, only when certain environmental, management and feeding factors change.
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Intradermal injection of cattle
Inject the solution between epidermis and dermis, mostly used for allergy test, the site is selected in the neck or tail root. When injecting, pinch the skin with your left hand, hold the syringe with your right hand so that the needle penetrates into the skin at a 30-degree angle, slowly inject the liquid medicine, and the injection site presents a small papule-like bulge. After the needle is removed, it is no longer sterilized or compressed. The injection feels more laborious, indicating that the injection is correct. If the injection feels easy, it indicates subcutaneous injection and should be re-pricked.
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