It is mostly caused by the secretion of a large amount of intestinal juice and urate by intestinal mucosa. Nutritional factors or infectious diseases that cause kidney damage will hinder uric acid excretion, lead to an increase in urate, and lead to white and thin feces of chicken chops.
1, pullorum disease in chicks: the peak of the disease is mostly at 7 ~ 14 days old, and the chicks are depressed, cold-averse, trembling, fluffy wings, loss of appetite and thirst. The most typical symptom is white pasty feces (white dysentery) like concentrated lime milk, which solidifies into limestone as soon as it is discharged, blocking the anus, and chickens often die in large numbers due to systemic septicemia. At autopsy, the yolk was not completely absorbed, and there were white necrotic spots on the liver surface. Slightly older sick chickens have gray-yellow nodules and gray liver changes.
2. Infectious bursal disease: Chickens aged 3-6 weeks are most susceptible to infection. Chickens are afraid of cold, shrink their heads and discharge white sticky watery stool. Pathological changes in autopsy: muscle bleeding in legs and chest, edema and bleeding in bursa of fabricius, and strip bleeding spots at the junction of glandular stomach and muscular stomach.
3. Avian cholera: It generally occurs in adult chickens, and sick chickens often have severe diarrhea and gray-white loose stools. Autopsy: epicardium and coronary heart fat are densely covered with bleeding points, pericardium has a small amount of effusion, liver surface is scattered with many gray necrosis points, and intestinal bleeding is remarkable.
4, chicken colibacillosis: a large number of acute deaths can be achieved in a few days after hatching, and chronic patients have severe diarrhea, gray feces, and convulsions and circular movements before death. Autopsy showed that the yolk was swollen, and the liver and heart of older chicks were covered with white cellulose exudate.
5. Uric acid salt deposition: The water consumption of chickens increased, and white uric acid salt deposition was found on the surface of internal organs at autopsy.
green manure
At the end of serious illness, due to loss of appetite, there is no content in the intestine, intestinal mucosal inflammation, accelerated peristalsis and increased secretion of mucosal fluid. Green is a mixture of bile or intestinal juice.
1, severe Newcastle disease: pull foul-smelling green feces, pour out sour mucus from the crop of chickens, and turn around in chickens. Autopsy showed bleeding of glandular stomach papilla, red and yellow ulcer focus and bleeding point in intestine, swelling and bleeding of cecal tonsil and brush bleeding of cloaca.
2. Low pathogenic avian influenza: the feces are white and green, and the respiratory symptoms are obvious. Autopsy showed that trachea was red and purple, glandular and gastric papilla bleeding, intestinal diffuse bleeding and oozing pool congestion bleeding.
3. Infectious synovitis: Chickens gradually lose weight, with poor growth and development, swollen joints and difficulty in walking. Autopsy found colloidal exudate in the accessory joint.
4, respiratory infectious bronchitis: chickens have blood mucus when coughing, and chickens only stretch their necks to breathe. Hemorrhagic mucus of laryngeal and tracheal mucosa can be seen at autopsy.
5, acute typhoid fever: pull green or white feces, the chicken is unwilling to move, showing an upright penguin-like posture. At autopsy, the hepatomegaly was purple.
Watery loose stool
The salt content in the feed is too high, such as adding fish meal, or increasing the salt content in the feed when using some anticoccidial drugs, and switching to another anticoccidial powder can reduce the salt content in time. In these cases, chickens will only cause watery feces because of excessive water intake. Some acute infectious diseases can also cause watery stools.
L, salt poisoning: when diarrhea increases, there is mucus flowing out of the mouth. When it is serious, it will turn around and twitch, and it will die quickly and in piles.
2. Renal infectious bronchitis: Chickens aged 20-35 days have frequent onset, watery or white loose stools and increased drinking water. Autopsy showed that the swollen punctate kidney had urate deposits.
3, chicken paratyphoid: at first it was porridge, then it was water sample, and the anus was polluted by feces. Autopsy showed hepatosplenomegaly, blood stasis, copper-green liver, dry core of cecum and small intestinal bleeding.
Brown or dark brown thin feces
Mainly seen in intestinal bleeding diseases. Hemorrhage in the posterior segment of intestine is reddish brown with loose stools, mainly seen in cecal coccidia. The feces with bleeding in the anterior intestine are dark brown, which is common in young chickens with intestinal coccidiosis or some acute infectious diseases and chronic poisoning diseases.
1. cecal coccidia: It mainly occurs in chickens raised on the ground, and the chickens gradually become thinner and grow poorly. The symptoms of this disease are cecal swelling and bleeding at autopsy.
2 small intestinal coccidia: early feces are syrup-like loose stools, that is, they gradually lose weight. Autopsy showed small punctate bleeding on the wall of duodenum and small intestine.
3, histomoniasis: 04 blackhead disease or cecal hepatitis. In addition to hematochezia, autopsy showed that the liver was swollen, with round or irregular necrotic foci on the surface of the liver, few depressions, cecum hypertrophy and bleeding, and caseous exudate in it, which was embolic.
4. Aspergillus flavus poisoning: the feed intake of chickens is reduced, the growth and development are delayed, and the egg production is reduced. Autopsy showed that the liver was yellow, with bleeding spots and swollen kidneys.
5. Arsenic poisoning: mainly manifested as loss of appetite, drooping wings, unkempt feathers, neck muscle tremor, head leaning to one side, mucus in the mouth, tufted hair, hypothermia, bloody stool and loose stool. Autopsy: gastrointestinal bleeding, fatty degeneration of liver and kidney.
Foamy thin feces
The feces are sticky and mixed with small blisters. Because the henhouse is too humid, it is caused by catching cold or riboflavin deficiency, and the gas produced by the fermentation of its intestinal contents is mixed with feces.
Soften feces with water
The feces are rich and clear, surrounded by water, which is common in indigestion. Mostly caused by improper feed distribution or digestive difficulties.
The above is the summary and identification points of chicken diarrhea disease according to production practice and investigation and analysis, which is for the reference of chicken farmers, so that chicken farmers can quickly master the diagnosis essentials of chicken disease and get twice the result with half the effort.
Prevention and treatment of chicken diarrhea
preventive
1. Keep the henhouse clean and ventilated, with proper temperature, humidity and density.
2. Change plane culture into cage culture or online culture.
3, found that the sick chicken isolation treatment immediately, the sick chicken used feeding utensils and chicken coop inside and outside, to be thoroughly disinfected.
therapeutic method
1, penicillin
It can be dissolved in drinking water when treated in large groups, and the dosage is 3000 ~ 6000 units per chicken. You can also dissolve 1 10,000 units of penicillin in 1 kg water for chickens to drink, or use half of the ingredients as drinking water, three times a day, and three people can be cured.
2. Antibiotics
Antibiotics can also promote the growth of chicks. According to the experiment, if the chicks were fed with proper dosage for 7 days, there was no death due to coccidiosis during the whole brooding period, but the weight of the chicks who jumped the medicine was higher than that of the healthy chicks who did not use the medicine.
4. Qiuliling
It is a widely used drug for preventing and treating coccidiosis abroad in recent years. The most preventive agent is 0.0 1.25%, that is, 1.25 g is added to 10 kg feed, and it is fully mixed into a mixture or mixed with drinking water for drinking. Chickens were given medicine from 65438 0.5 days old, and from 30 to 45 days old. The therapeutic dose is 0.03%, that is, 1O kg feed leaves 1 plus 3g. Feed 12 ~ L for 5 consecutive days. Good control effect can be achieved.
5, Chinese medicine Wu Liping
It is effective for chicken red dysentery (coccidiosis), white dysentery and green dysentery. Generally 1 ~ 2 times can be cured, and the cure rate of chickens with advanced coccidiosis can be as high as 70%.
After farmers fully understand the possible diseases of chicken diarrhea and the corresponding prevention and control measures, I believe there will be better countermeasures for the problem of chicken diarrhea. In addition, it is hoped that farmers can constantly sum up experience in the process of breeding and improve their own breeding level.