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Analysis Of Several Problems In The Process Of Feeding Premix For Broilers

Analysis of Several Problems in the Process of Feeding Premix for Broilers

Due to the production process of the premix, the production process, the proportion of drugs, the amount of nutrients added and the control of time, the antagonism between the drugs and nutrients, the preservation and transportation factors, the broiler is in the feeding process Feeding premixes often shows a variety of abnormal problems. Now some common problems and causes are listed, and some countermeasures are proposed for the reference of the majority of breeders.

一 Ascites

mainly refers to the accumulation of a large amount of serous liquid in the abdominal cavity of broilers caused by various factors. There are many causes, such as lack of selenium, vitamin E, and phosphorus; high-energy, high-protein compound feed. Management factors such as poor environment in the house, poor ventilation, high ammonia concentration; high altitude climate, thin oxygen; closed environment, hypoxia, excessive carbon dioxide concentration; moldy feed; disease factors such as secondary colibacillosis and aspergillosis.

The prevention and treatment of the disease should mainly include feeding and management personnel, paying attention to a reasonable ratio of minerals and vitamins, and sufficient amounts; improving the feeding environment, reducing density, strengthening hygiene and ventilation, changing bedding frequently, and doing environmental disinfection; supplementing vitamin E and selenium , Commonly used 1ppm sodium selenite solution, let them drink by themselves, and supplemented with vitamin E pills. Use antibacterial drugs in the early feeding period to prevent and reduce the occurrence of colibacillosis and aspergillosis. Efforts should be made to reduce the chicken’s stress response and continuously improve the chicken’s disease resistance. You can add vitamin C and multivitamins at 50 mg/kg through mixing.

二 Sudden death

mainly refers to acute onset, sudden violent death or acute death. The reasons are high protein and fat content in the diet; high copper and zinc content; insufficient selenium; unreasonable combination of vitamins and minerals; excessive light intensity and high feeding density; poor ventilation; cardiovascular system, respiratory system, digestion The system is not yet perfect and contradicts rapid growth.

For the prevention and treatment of the disease, rations should be prepared reasonably, and feed should be appropriately restricted from the second week. The protein content in the feed should be less than 20%, and the content of multiple vitamins (especially VBl, vB6, VA, vD, vE) and minerals should be sufficient. The fat content cannot be too high. 3 mg of biotin can be added to every 10 kg of material. In terms of light control, 12 to 16 hours from the second week, 18 hours from 22 to 42 days, and 20 hours after 42 days. At the same time, the lights cannot be turned on or off at will. At the age of 10 to 21 days, add 3 to 4 grams of potassium bicarbonate per ton of feed for 3 days.

three soft legs

mainly refers to a performance in which broilers cannot stand, have deformed legs and feet, and have difficulty walking.

Nutritional factors: lack of manganese, choline, niacin, folic acid, biotin, and niacin in feed; high-dose supplementation of phosphorus, chlorine, and sulfur; lack of certain amino acids and tannins in feed; lack of VD3, insufficient VD, calcium and phosphorus Insufficient or improper ratio; lack of VBl, vB2, vE; lack of zinc.

Management factors: unreasonable feeding methods such as brooding cages; insufficient exercise. Disease factors such as rickets, etc.

The prevention and treatment of the disease should be done in the following aspects: reasonable preparation of rations to ensure adequate daily intake of vitamins and trace elements, 2 to 3 weeks, each kilogram of feed contains 2000IU of VD, 1% calcium, 0.5% effective Phosphorus; it is strictly forbidden to feed moldy feed; strengthen management to control the occurrence of diseases or stress; it is best to raise the brooding period on the ground; feeding a large amount of tetracycline drugs can affect the absorption of calcium and phosphorus, and sulfa drugs affect the absorption of folic acid , Pay attention to addition and balance.

四 Different addiction

mainly refers to pecking feathers and anus.

Nutritional factors: lack of methionine and cystine; too high or too low salt; low fiber content in the diet; small large-volume feed in the feed; lack of vA, vD, VE, vB2 and certain trace elements such as Calcium, magnesium, zinc, etc.

Management factors: high stocking density; unsuitable temperature and humidity in the house; poor ventilation; too strong or too weak light; stress.

Disease factors: coccidiosis, helminthiasis; diarrhea; high dosage of certain drugs, such as anti-balloon drugs.

To prevent and treat the disease, a reasonable diet should be prepared with a comprehensive nutritional content; suitable anticoccidial drugs should be selected; stress factors should be eliminated; the cause of the disease should be correctly judged and corresponding measures should be taken.

五  tarsal joint swelling

mainly refers to unilateral or bilateral tarsal arthritis swelling of sick chickens.

Nutritional factors: lack of vitamins such as VB5, VB6, etc.; excessive protein content in the feed; excessive calcium, improper calcium and phosphorus ratio.

Management factors: high humidity and low temperature in the house; excessive breeding density.

Disease factors such as some diseases can cause swollen tarsal joints, such as infectious synovitis, viral arthritis and so on.

Scientifically formulate diets, improve the breeding environment, and prevent and control diseases.

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