Abnormal color disease of chicken body

1. Staphylococcal infection

The affected part is like a file of blood stasis, which is red, green, blue-black and black according to the degree of hemoglobin decomposition. Chronic cases are related to arthritis. It is necessary to identify the pathogen before making a definite diagnosis.

two。 Streptococcal infection

The lesion is similar to staphylococcal infection, but it rarely occurs, and pathogen identification is necessary to make a definite diagnosis.

3. Mononucleosis (uremia)

The muscle color is darker or purple than normal, and the crown and head are cyanotic. The kidney was swollen and pale with urate deposition; in more severe cases, urate deposition was also found in the peritoneum, pericardium and viscera. The relative and absolute values of monocytes in blood smears increased.

4. Acute septicemia

In some cases of septicaemia, the whole body blackened and the tissue in the body bled in many places. It is necessary to identify the pathogen before making a definite diagnosis.

5. Toxic cyanosis

A group of patients with heart weakness caused by a disease, such as toxic cardiac degeneration, pericarditis, E. coli infection, or some systemic toxemia and septicaemia. It is necessary to discuss the etiology or identify the pathogen in order to make a definite diagnosis.

6. Leptospirosis

The whole body tissue appears anthrax, hepatosplenomegaly, card has necrotic society. It is necessary to identify the pathogen before making a definite diagnosis.

7. Tissue trichomoniasis (cecal hepatitis, blackhead)

The skin of the head is often purplish blue with sulfur-like feces. One or both sides of the cecum enlarged, the intestinal wall thickened, with yellow lumps attached, and sometimes ulcers, puncturing the intestinal wall; mucosal necrosis, thickening, with yellowish-green exudate; the cecal cavity was filled with bean curd-like material, often showing a tubular type. Liver damage is often a special round, sunken, with a yellow necrotic center structure.

The pathogen, that is, Trichomonas turkey, can be detected by fecal examination or taking samples from cecal contents or liver lesions.

8. Chicken typhoid

The crown and flesh beard are pale and wrinkled, but severe cases of toxemia or septicemia turn black, and the skin sometimes blackens. The diseased chickens had dysentery and the fever was as high as 43 ℃-44 ℃. Autopsy shows hepatomegaly and splenomegaly, there may be grayish-white necrotic spots, and the liver is often bronzed; enteritis is usually the most serious in the upper segment of the small intestine; myocardial necrosis is seen occasionally; and yolk-like fibrinous peritonitis is common. It is necessary to identify the pathogen in order to provide the basis for definite diagnosis.

9. Fowl pox

Fowlpox is a serious epidemic of elbows, and some cases are covered with acne warts. This situation often has secondary infection of staphylococci, resulting in abnormal color on the body surface.