Healthy chicken manure is the mixture of dung and urine, no soft no hard ,most shapes are cylindrical or strip, brownish green, there is a uric acid salt at one end of the manure, no odor. In the morning the first manure is paste shape,, yellow brown, is a normal one. The color appeares no normal if the chicken are sick, so we can observe the manure color to check if the birds are sick generally .
White manure
When the manre are yellow white or gray white paste , not forming, generally may be the result of pullorum disease or fowl cholera. Pullorum disease show: the manure is sticky and thick, calciform shape, stick to the birds, no easy to out. When the avian cholera happen, the chicken often have severe diarrhea, manre is gray white. Chicken manure is white or yellowish white, water shape, and mixed with white uric acid salt particles ,may is infectious bursal disease, is also can be no appetite, paralysis and uremia. In addition, inclusion body hepatitis, paratyphoid Infections, egg drop syndrome, green pus and so on, are can be show white watery manure. If the manure are white ,like milk , watery ,more common is mucosal congestion, mild enteritis or Vibrio hepatitis.
Bloody manure

If manure is red, mostly becuase of fecal coccidiosis . One month old chicks has red manure, usually occurs coccidiosis. If young chikcken get acute hepatitis ,their manre is red. Late Karnofsky leukocytozoon disease will have blood manurel. Coccidiosis, tapeworm disease, ascariasis and enteritis recovery period of chicken can also cause bloody manure, the manure show red meat color , like rotten meat. In addition, inorganic or organic toxicants poisoning can cause intestinal bleeding and have manure blood. Necrotic enteritis, Newcastle disease, mold corn poisoning can also cause this illness. Above diseases, coccidiosis have bright red manure ,esay to know, other need to check carefully . Generally ,if the manure are dark red, black or tea black ,common in the upper gastrointestinal bleeding, manure was red or bright red, more common in the lower gastrointestinal bleeding.
Black manure
Black manure is one of bloody maure. because the black manure often due to gastrointestinal front such as caused by blood loss from the duodenum, small intestine, the appearance show black tea or black ,was occult blood. If the stool was rust colored water and mixed with urate, in Newcastle disease early poisoning cause serious hemorrhage of digestive tract. In addition, rotten fish meal poisoning caused by gizzard erosion will cause black manure too..
Green manure

Green manure is due to the shedding of bile and intestinal cells , the most common reason is newcastle disease. Chicken generally pull thick fetid green loose manurel, showing dark green, and accompanied by depression, loss of appetite, breathing difficulties and other symptoms, late neurological symptoms, reducing the eggs and other symptoms. In addition, fowl cholera, white blood cells of protozoal disease can also cause green manure, colibacillosis, Marek's disease and leukemia and lymphoma, fowl typhoid, chicken chlamydiosis, laryngotracheitis and other can cause green manure too. If the chicken eat excessive grass powder feed, will make the manure green, but this kind of maure is dry hard, easy to seethe difference. 
Yellow manure

Histomoniasis can lead to the chicken dejecta. Apricot yellow stool  generally caused by streptococcus. inclusion body hepatitis caused by pale yellow water . Yellow and white stool can be caused by infectious disease or chicken. Yellow or brown dung loose stool by furazolidone poisoning. Yellow sulfur on the surface of the manure  with yellow or yellowish brown urine, more common in the blind enteritis, hepatitis.
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