Gout is a nutrient metabolic disease caused by protein metabolism disorders and renal dysfunction in chickens. The main feature is that uric acid and urate are deposited in a large number of organs or joints. On June 29th, 2,000 Roman egg-laying hens in Shahe City, due to improper ingredients, had died from 90-day-old chickens until 110 days of age, and more than 200 died in 20 days. At the age of 110 days, three dead chickens were brought to Shahe City Veterinary Hospital for treatment. The clinical diagnosis of gout was as follows:
First, the incidence
Du Mou has been raising chicken for several years, often using ingredients, raw materials, and vitamins. This group of chickens began to add stone powder at the age of 40 days. Each 500 kg of feed added 5 kg of stone powder. The protein was higher in the feed and the amount of stone powder was increased after 60 days. At the same time, hydrogen was added to the chicken. No abnormalities were found in the chickens. . The chickens began to develop from 90 days of age. They initially died 2 or 3 times a day. After 4 to 5 days, they had more than 10 animals per day. Local veterinarians used kidneys for chickens after an anatomical diagnosis. Dumou began reducing the amount of stone powder to 500 kg. Feed 2.5 to 3 kilograms, remove the calcium hydroxide, add bone meal 15 kilograms, protein is not adjusted, spices and drinking water are beneficial kidney drugs, medication has been used for 20 days, the effect is still not obvious.
Second, the clinical symptoms
A large group of people can still eat 120 kg of water a day, 225 to 300 kg of drinking water, 5 to 6 in a daze, and some stand up, some of the white water will be thin, often do not see a daze, the next day to death 12 ~13 only.
Third, the necropsy changes
The necropsy of 3 dead chickens showed a large amount of urate deposition in the pericardium, liver, spleen, intestinal serosa, mesentery, peritoneum, larynx, trachea, and nasal mucosa. Renal enlargement was patchy, and the ureter was thickened. A large number of urate deposition, some have formed stones, cut the kidneys, there are a large number of urate deposition in the renal tubules, and some have formed stones. In the switch section, it can be seen that there is a lot of white urate deposition in the cavity.
According to self-inflation and onset, clinical symptoms, and necropsy changes, gout can be diagnosed.
Fourth, treatment
1. Refueling. Immediately stop feeding from the ingredients and replace them with nutrients at full nutritional value to relieve the damage caused by high protein and high calcium and reduce the burden on the kidneys.
2. Drug treatment. With kidney swelling and spices, 9 bags per day (250 grams per bag), before using boiling water for 0.5 to 1 hour, concoction drinking water, dregs spices, drinking water plus kidney swelling detoxification 250 grams per bag, 1.5 bags per day, Drinking water throughout the day, now with the current use, once every 5 to 7 days. Stop for a few days and then use a course of treatment.
3. Supplement vitamins and drinking water. During the illness, add cod liver oil or quick supplements to drinking water to reduce stress and increase disease resistance. At the same time, it must provide sufficient drinking water to promote metabolism and facilitate the discharge of urate.
During the adjustment of medication, a maximum of 7 to 8 deaths per day after 15 days, some of which are debilitating, dehydrated, and thin, and deaths are significantly reduced after 25 days. The egg production rate at 40% of the age of 140 days is basically normal.
Fifth, experience
Gout is a nutrient metabolic disease that is generally chronic. Once formed, it can be difficult to cure quickly in a short time. Dietary protein is too high, calcium or phosphorus is too high or improper proportion, vitamin A deficiency, lack of drinking water, a large number of drugs that are difficult to absorb are the cause of the disease. In this case, there was very little medication before the onset of illness, which was mainly due to the high protein and high calcium content of feed. It is the most direct method to find out the reasons and supplement drug treatment in time. The reason is that the long course of disease and high mortality rate are mainly problems that have not been fundamentally resolved after the onset of disease, so that the pathogenic factors are not timely controlled and the renal function is damaged. serious. Only by treating both the symptoms and the problems can the loss be minimized. Hope that the majority of breeding friends take warning that the feed must be full price, so as not to cause you unnecessary losses.
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