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Can Oxytetracycline Be Used in Chicken Enteritis?

News briefing: According to reports, a few days ago, a small number of pheasants had respiratory diseases, manifested mouth opening breathing, head shaking phenomenon, but basically no death. After 3 days of drinking water with doxycycline powder, the effect was obvious

Can Oxytetracycline Be Used in Chicken Enteritis?


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According to reports, a few days ago, a small number of pheasants had respiratory diseases, manifested mouth opening breathing, head shaking phenomenon, but basically no death. After 3 days of drinking water with doxycycline powder, the effect was obvious. Later, due to a heavy rain, chickens showed obvious abnormalities.


The main manifestations are as follows


nearly one third of the chickens are depressed, some have closed eyes, fluffy coat, no luster, yellow and white loose stool, some have red and brown stool, and the surrounding colonic cavity of the chickens is seriously polluted by feces, a total of 9 chickens died in two days.


Anatomical changes


Appearance of intestinal wall local redness, thinning, easy to break, obviously thick, small intestine mid-posterior part is full of gas, incision of large intestine found that there are blood-like content, intestinal mucosa diffuse hemorrhage, severe necrosis, surface like bran, some intestinal mucosa shedding, some dead chickens liver enlargement, yellow necrosis focus. There were no obvious abnormalities in other organs.


Differential diagnosis


It is different from Newcastle disease in chickens. Newcastle disease is characterized by glandular and gastric papilla bleeding, intestinal diffuse bleeding, especially in the duodenum and its lower curve bleeding obvious, respiratory mucosal bleeding, viscous secretions. Although the case had mild respiratory symptoms a few days ago, but dissection of dead pheasants, found that its respiratory tract is basically normal, glands. No abnormalities were found in the gastric papilla and muscular stomach, so the possibility of Newcastle disease in the pheasant could be ruled out.


It is different from the symptoms of ammonia poisoning. It is known by inquiry that although the pheasant house is humid and smells unpleasant, ammonia odor can hardly be smelled in the enclosure. Only the symptoms of intestinal bleeding are similar to those of ammonia poisoning. No pheasant has the symptoms of tears, and no abnormal organs such as nasal cavity, larynx and lungs are found in the dissection, so the possibility of ammonia poisoning can be excluded.


Preventive measures


To prevent and strengthen feeding management.


Full preparation should be made for feed nutrition, environmental hygiene, disinfection, temperature and humidity, ventilation and cushion materials. In addition, according to weather conditions, especially in rainy and cloudy days, when the temperature difference is large, attention should be paid to controlling temperature and humidity well, and the floor of the enclosure should be kept dry. In some cases, when cushion materials are used, such as damp cushion, odor or mildew. It is easy to cause this disease. Therefore, it is necessary to replace the bedding materials regularly and increase the amount of multi-vitamins in the feed. If the drug prevention has not been used recently, Dongfang Changkang can be added to the feed to prevent it.


The breeder should consider the location of the enclosure, the surrounding environment, drainage, sewage, transportation and other aspects. As far as possible to reduce the adverse factors around the chickens may cause a variety of stress reactions, because pheasants are timid, slightly inadvertent easily cause stress reactions, affect their physical function and cause disease, or even sudden death.