Prevention and control of acariasis in chicken knee
Chicken knee acariasis is a disease caused by scabies, which is often characterized by pruritus and limestone leg disease.
1 pathogens and symptoms of the disease
The pathogen of chicken pruritus is chicken knee mite, which is round or oval, about 0.3mm. This kind of insect often invades the skin along the feather and parasites on the root of the feather, causing inflammation. Lesions are more common in the back, wings, buttocks, thigh and other parts of the chicken, local itching, unfeathering, so it is called pruritus. The sick chicken pecks its feathers, causing the feathers to fall off, causing the skin to turn red, forming naked spots on the skin and feeling pustules when touching. The pathogen of chicken limestone leg disease is mutant knee mite, which is about 0.5 mm long and is parasitic on the inner layer of the unfeathered phosphorus sheet below the chicken leg, causing skin inflammation. Sick chickens show a sense of sharp itching, when rubbing the affected part, it is easy to bleed or exudate, after drying up will form a layer of white crusts, like coated with a layer of lime, so it is called lime leg disease. It is difficult for sick chickens to walk, and sometimes there is a phenomenon of alternating between walking and flying. In severe cases, it affects feeding and growth.
2 treatment
Both of these diseases are transmitted through contact and mostly occur in flat and intensive conditions. Once chickens are infected with the disease, it will quickly spread to the whole flock. Therefore, if sick chickens are found, they should be isolated and treated immediately, and newly purchased chickens should be strictly inspected. The treatment of chicken knee acariasis is as follows.
Chicken pruritus: take 1 part of pine tar, 1 part of sulfur, 2 parts of soft soap, 2 parts of 0.5% alcohol, mix well and rub the affected part. It can also be treated with 10% sulfur ointment. Chicken calcareous leg disease: soak the affected part in warm water or soapy water, soften the crusts, then brush off the crusts, and apply a layer of kerosene once a day for 7 days as a course of treatment. Or apply 10% sulfur ointment after removing the crusts.
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Stress and the occurrence, prevention and treatment of tail biting disease in pigs
In the current intensive pig production, the phenomenon of pigs biting each other is more common, especially the pigs in the production state are more likely to occur. First, stress. In intensive pig production, the stressors affecting the normal physiological activities of pigs are increasing day by day, which can lead to the decrease of immunity, the enhancement of catabolism, the decrease of anabolism and the disorder of sexual function. in severe cases, it can cause a series of stress syndrome. Such as pale, soft, exudative pork, dry hard dark pork, adult
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Why should salt be added to the chicken diet?
Chlorine and sodium exist in chicken body fluids, soft tissues and eggs, which can maintain the acid-base balance of chicken body, maintain the balance of osmotic pressure between cells and blood, and maintain a certain amount of water in chicken body tissue. in addition, it is the raw material for the formation of gastric juice and gastric acid, which can promote the activity of digestive enzymes and play an important role in the digestion and absorption of fat and protein. Salt can improve the palatability of diet, promote appetite and improve feed utilization rate. Therefore, salt is both an essential nutrient and a condiment. If in the diet of chickens
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