Due to seasonal changes, coupled with damp rain, 80% of the farmers reported that there are yellow feces in the broiler chicken manure, and smaller corn particles can be seen. When broilers develop indigestion, farmers either complain about poor feed quality or complain about poor drug quality. In fact, there are many factors to consider in this issue. feed Feed mould infection Mycotoxins can cause diseases of the digestive system such as the oral cavity and intestines, resulting in indigestion. Mycotoxin contamination includes the feeding of moldy feed, and contamination during processing, transportation, and storage. Fatty acid loses As the weather is hot, the oil is corrupted due to improper preservation, causing broilers to cause glandular gastritis, muscle and stomach erosion, and enteritis. The free radicals or reactive oxygen molecules produced after the fatty acid fails will affect its immunity, slow down the growth, cause poor pigmentation and cause intestinal inflammation. Too much fat can cause diarrhea. Crude fiber content in feed The nutritional requirements of broilers are high, and the low crude fiber content in feeds will lead to unbalanced nutrition and excessive crude fiber, resulting in large intakes of broilers, disorder of gastrointestinal function, and indigestion. Anti-nutritional factors in feed For example, if you use a rapeseed meal, rye, sorghum, raw soybean meal or bean cake containing trypsin, excessive use of these raw materials can cause poisoning. Excessive use of mixed herbs can cause indigestion and cause pod development. Contains anti-trypsin that affects digestion. Insufficient energy in feed Broilers are able to eat for energy, not enough energy to increase the intake of broilers, resulting in other nutrients are not completely absorbed directly out of the body, causing indigestion. management Daily management Broilers grow fast, especially the growth of internal organs 35 days ago. Because broilers have low anti-stress ability, they have higher requirements for the environment. Most chickens suffer from dyspepsia when they change their material numbers. The underlying reason is that they have not been replaced as required. Clinically, especially fast-large chickens are more problematic than quality chickens. There is no regular pattern of feeding, overeating, or stressing chickens, or sudden exposure of chickens to low temperatures at constant temperatures, which can cause indigestion. There was no timely addition of sand in the feed, and there was a lack of friction in the muscle stomach, which reduced the physical digestion of the feed. Water quality 60% of the broiler's body is composed of water, so there must be sufficient drinking water to meet the chicken body's needs, and some farmers do not pay attention to drinking water hygiene, drinking contaminated water or deterioration of water, causing chicken indigestion. Litter quality: It is often said that disease comes from the mouth, and litter is the first thing the chicken eats before drinking and eating. Therefore, good or bad litter directly affects the digestion of chickens. It is best to use corn stalk as litter during the brooding period. Dry, dry, non-polluting, mildew-free shavings, sawdust, etc., thickness of not less than 4 cm, but can not be reused litter. Parasite Such as coccidia, aphids, aphids, etc. can cause intestinal mucosal epithelial damage, resulting in non-digestible nutrients with the feces, causing indigestion. Bacterial enteritis Some of this disease and intestinal coccidiosis mixed infection, but easy to be covered by the latter; some isolated disease, such as Clostridium, Pseudomonas aeruginosa, E. coli, etc. can cause epithelial cells damage or even fall off, so that the intestinal villi digestion and absorption capacity Drop, causing indigestion. Viral infection Many viral infections can cause dyspepsia in broilers such as Reovirus, adenovirus, and rotavirus. In short, dyspepsia in broiler chicken feed is a complex process that must be carefully observed. Clinically, it is caused by multiple etiologies. It is not a simple feed or drug problem. Prevention and control strengthen detailed management, do a good job of environmental sanitation, and strengthen disinfection. Improve the anti-stress ability of broilers, use high-quality feeds, and abide by the replacement requirements for item numbers. Do a good job in heatstroke prevention, reduce stress, and regularly replace dunnage. Increase the amount of broiler exercise, improve the body's ability to prevent disease, and supplement vitamins in a timely manner. treatment Treatment should pay attention to the analysis of the causes of indigestion. If it is caused by indigestion, some yeast powder, sodium bicarbonate, etc. can be used; if due to high fat and high protein feed, the amount of rice bran can be added to Jianwei San conditioning, the effect is good. If it is a virus or bacterial infection caused by enteritis, put antibacterial anti-inflammatory or viral drugs, supplemented by Jianweixiaoshi medicine, such as viral drugs can choose astragalus polysaccharides, Ganoderma lucidum polysaccharides, pollen polysaccharides, ribavirin, etc., antibacterial drugs such as Amo Xilin, Acetonitrile, Tinidazole, etc. If it is a parasite, it is necessary to analyze which kind, after the diagnosis of the drug dose to be accurate, while supplemented by antibacterial anti-inflammatory drugs, hemostatic analgesics, after the condition is stable, but also add active bacteria, regulate intestinal flora, Promote the body's early recovery. 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