First, reasonable ventilation, balance chicken house temperature for the chicken farm does not meet the standard, through the establishment of insulation, spray cooling, ventilation and cooling methods to create an excellent production environment for laying hens. A shade net can be built on the roof of the house, or a wet grass mat can be covered on the house and a layer of low-priced asbestos can be covered as a heat insulation layer. The white walls and the top of the chicken house are painted white to reduce the temperature of the house. When the temperature exceeds 32°C, a high-pressure rotary atomizer can be used to spray cold water on the top of the house or cool the chicken with cold water spray. Closed houses can be fitted with fans or ceiling fans. Wind speeds of 1.0 m/s are appropriate. When using a fan, open chickens can open all doors and windows to promote air circulation.
Second, adjust the feed formula, increase the calcium and phosphorus content. Summer layers are mostly at the peak of egg production, calcium and phosphorus demand is greater. Therefore, the ratio of calcium and phosphorus in feeds should be increased, and one-thousandth to two-thousandths of bone meal and two-thousandths of shell powder can be increased. It is possible to meet the energy requirements of laying hens without increasing food intake, adding three-thousandths of fat, and increasing the palatability of feeds. Carbohydrates produce more heat during digestion and metabolism, and their proportion should be reduced appropriately. In addition, adding vitamin C 200 mg/kg in diet and drinking water can significantly reduce the effect of heat stress on laying hens. Vitamin A is easily deficient at high temperatures. Properly increasing the vitamin A content can increase feed intake and egg production. In summer, chickens are anorexic. After feeding the concentrate, they can add fresh green and juicy succulent feeds such as green vegetables and watermelons. At the same time, one thousandth of ammonium chloride and 0.5% of hydrogen carbonate are added to chicken feed. Sodium, potassium chloride and potassium chloride in the chicken's drinking water can reduce the harm caused by heat stress. In order to reduce the heat stress of laying hens, it is advisable to add zero-thousand-and-a-hundred-hundredths of Bacillus subtilis zinc to the feed, which can increase the feed conversion rate and also have the effect of resisting heat stress; add zero-thousandths of lemons to the feed. Acid can relieve heat stress and increase the rate of laying eggs. In the feed, some Chinese herbal medicines such as musk, double flower, Radix isatidis, gentian, Ligustrum lucidum, schisandra, etc., are added to the feed to detoxify and disinfect anti-inflammatory herbs. One-thousandth of the proportion added to the feed can reduce and eliminate the harm of heat stress and increase the egg production rate. In addition, when the summer and autumn are hot, they should concentrate on feeding in the morning and evening, and feed more green feed at noon.
Third, change the management schedule to improve the quality of feeding The summer chicken farms should adopt the lighting method of turning on the lights early and turning off the lights early, that is, turning on the lights at 3 to 4 in the morning, turning off the lights at 7 to 8 in the evening, and increasing the temperature before the morning temperature rises. Feeding times allow the chicken to feed on the coolest days of the day. At the same time, try to reduce the activity of the chicken and stop feeding at the hottest 1-3pm daily to reduce the chicken's feeding activity. Secondly, the stocking density should be reduced: In general, the required area for each chicken is 0.4 square meters, 3 for each cage, and 3 to 5 eggs per square meter can be kept on a flat ground; for large groups, 200 sticks per group are appropriate. . In high-temperature weather layer chickens drink about 3 to 4 times the intake, to ensure that the chicken can drink clean, pollution-free cold water throughout the day (water temperature at 10 °C is appropriate). During the dog days, it is best to change the water every two hours.
Fourth, strengthen environmental management to ensure that clean and hygienic egg farms must strictly perform sanitation and disinfection work. Before 7:00 in the morning, clean the environment around the shed and in the shed. Sweep the dust after sweeping before releasing the chickens. The cleaned filth will be collected into the septic tank for unified treatment. The sheds and sheds of the hens are sterilized once every 3 days, and the entire intensive breeding site including other locations is thoroughly fumigated or spray-disinfected every 7 days. Do a good job of mosquito control, flies, rats, snakes and other work. In case of stormy weather, the sewage should be removed promptly. For each use of troughs, sinks, mixers, feeders, etc. must be soaked in sterile water for 3-5 hours before cleaning. Every time before adding material, it is necessary to clean the feeding trough and the feeding area to ensure that the feeding trough is clean and tidy, and the trough is cleaned and disinfected (sprayed) every 3 days. Egg laying boxes should be dedicated. The keeper must wash his hands with disinfectant and soap after each field work. It is forbidden for outsiders to visit the chicken farm. The choice of feed must be based on the requirements of fresh, good quality, no mildew and other conditions of the full price of raw materials or raw materials. Each time the amount of feed purchased does not exceed 20 days, the feed site is selected to be dry, cool, and ventilated, and the village materials should be stacked neatly.
V. Observe and observe the disease daily, and do a good job in prevention and control of the epidemic disease. The keeper shall have a clear record of the daily feeding of layer hens on drinking water, fecal excretion, on-shelf rest nest, and egg production quality. Remedy. At the same time, we will focus on the immunization of chicken Newcastle disease, fowlpox, and bird flu, and prevent and control chicken diseases such as coccidiosis, colibacillosis, and white-crown disease. For coccidiosis in chickens, super-type ball treasures and red peony balls can be used to kill vitamin K3. Follow the instructions to add cold water to chickens. Also in every 1000 layer chickens, 500 grams of sodium sulfate drinking water for 3 to 5 days, severe cases can be fed 2 to 3 times. For chicken colibacillosis, norfloxacin mix or drinking water can be used, norfloxacin is used at 1 g/kg for 5 to 7 days, or with gentamicin at a concentration of 0.2% to 0.5% for condiments or drinking water. 5-7 days. For chicken white-crown disease, the compound Teixiujing can be used, 0.8% for the first 3 days, and 0.2% for the next 7 days. The effect is very good. At the same time, other enemy pests and vector insects should be prevented from entering the chicken farm. Use insecticides such as deltamethrin or cyanoyl valerate inside and outside the house to eliminate harmful insects, and install shade nets in the house to avoid harmful insects.
Second, adjust the feed formula, increase the calcium and phosphorus content. Summer layers are mostly at the peak of egg production, calcium and phosphorus demand is greater. Therefore, the ratio of calcium and phosphorus in feeds should be increased, and one-thousandth to two-thousandths of bone meal and two-thousandths of shell powder can be increased. It is possible to meet the energy requirements of laying hens without increasing food intake, adding three-thousandths of fat, and increasing the palatability of feeds. Carbohydrates produce more heat during digestion and metabolism, and their proportion should be reduced appropriately. In addition, adding vitamin C 200 mg/kg in diet and drinking water can significantly reduce the effect of heat stress on laying hens. Vitamin A is easily deficient at high temperatures. Properly increasing the vitamin A content can increase feed intake and egg production. In summer, chickens are anorexic. After feeding the concentrate, they can add fresh green and juicy succulent feeds such as green vegetables and watermelons. At the same time, one thousandth of ammonium chloride and 0.5% of hydrogen carbonate are added to chicken feed. Sodium, potassium chloride and potassium chloride in the chicken's drinking water can reduce the harm caused by heat stress. In order to reduce the heat stress of laying hens, it is advisable to add zero-thousand-and-a-hundred-hundredths of Bacillus subtilis zinc to the feed, which can increase the feed conversion rate and also have the effect of resisting heat stress; add zero-thousandths of lemons to the feed. Acid can relieve heat stress and increase the rate of laying eggs. In the feed, some Chinese herbal medicines such as musk, double flower, Radix isatidis, gentian, Ligustrum lucidum, schisandra, etc., are added to the feed to detoxify and disinfect anti-inflammatory herbs. One-thousandth of the proportion added to the feed can reduce and eliminate the harm of heat stress and increase the egg production rate. In addition, when the summer and autumn are hot, they should concentrate on feeding in the morning and evening, and feed more green feed at noon.
Third, change the management schedule to improve the quality of feeding The summer chicken farms should adopt the lighting method of turning on the lights early and turning off the lights early, that is, turning on the lights at 3 to 4 in the morning, turning off the lights at 7 to 8 in the evening, and increasing the temperature before the morning temperature rises. Feeding times allow the chicken to feed on the coolest days of the day. At the same time, try to reduce the activity of the chicken and stop feeding at the hottest 1-3pm daily to reduce the chicken's feeding activity. Secondly, the stocking density should be reduced: In general, the required area for each chicken is 0.4 square meters, 3 for each cage, and 3 to 5 eggs per square meter can be kept on a flat ground; for large groups, 200 sticks per group are appropriate. . In high-temperature weather layer chickens drink about 3 to 4 times the intake, to ensure that the chicken can drink clean, pollution-free cold water throughout the day (water temperature at 10 °C is appropriate). During the dog days, it is best to change the water every two hours.
Fourth, strengthen environmental management to ensure that clean and hygienic egg farms must strictly perform sanitation and disinfection work. Before 7:00 in the morning, clean the environment around the shed and in the shed. Sweep the dust after sweeping before releasing the chickens. The cleaned filth will be collected into the septic tank for unified treatment. The sheds and sheds of the hens are sterilized once every 3 days, and the entire intensive breeding site including other locations is thoroughly fumigated or spray-disinfected every 7 days. Do a good job of mosquito control, flies, rats, snakes and other work. In case of stormy weather, the sewage should be removed promptly. For each use of troughs, sinks, mixers, feeders, etc. must be soaked in sterile water for 3-5 hours before cleaning. Every time before adding material, it is necessary to clean the feeding trough and the feeding area to ensure that the feeding trough is clean and tidy, and the trough is cleaned and disinfected (sprayed) every 3 days. Egg laying boxes should be dedicated. The keeper must wash his hands with disinfectant and soap after each field work. It is forbidden for outsiders to visit the chicken farm. The choice of feed must be based on the requirements of fresh, good quality, no mildew and other conditions of the full price of raw materials or raw materials. Each time the amount of feed purchased does not exceed 20 days, the feed site is selected to be dry, cool, and ventilated, and the village materials should be stacked neatly.
V. Observe and observe the disease daily, and do a good job in prevention and control of the epidemic disease. The keeper shall have a clear record of the daily feeding of layer hens on drinking water, fecal excretion, on-shelf rest nest, and egg production quality. Remedy. At the same time, we will focus on the immunization of chicken Newcastle disease, fowlpox, and bird flu, and prevent and control chicken diseases such as coccidiosis, colibacillosis, and white-crown disease. For coccidiosis in chickens, super-type ball treasures and red peony balls can be used to kill vitamin K3. Follow the instructions to add cold water to chickens. Also in every 1000 layer chickens, 500 grams of sodium sulfate drinking water for 3 to 5 days, severe cases can be fed 2 to 3 times. For chicken colibacillosis, norfloxacin mix or drinking water can be used, norfloxacin is used at 1 g/kg for 5 to 7 days, or with gentamicin at a concentration of 0.2% to 0.5% for condiments or drinking water. 5-7 days. For chicken white-crown disease, the compound Teixiujing can be used, 0.8% for the first 3 days, and 0.2% for the next 7 days. The effect is very good. At the same time, other enemy pests and vector insects should be prevented from entering the chicken farm. Use insecticides such as deltamethrin or cyanoyl valerate inside and outside the house to eliminate harmful insects, and install shade nets in the house to avoid harmful insects.
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