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Effectively improve the survival rate of mountain chickens
Cultivating good mountain chickens is the key to the success or failure of free-range mountain chickens. In recent years, we combined the specific conditions and adopted comprehensive technical measures for timely de-warming of chicks in chickens, so that the survival rate of chicks rose from 95% before application. More than 98%. The main ones are: 1. Regulate the construction of decontaminating greenhouses Decontamination of greenhouses should be warm, dry and ventilated. In order to save costs, the idle houses can be used to expand or build new greenhouses, and the area and scale will depend on the amount of livestock and the terrain. The indoor temperature-removing bed is suitable for double row. It is easy to operate. It is made of waste wood or angle steel and is made into a 2-3 layer basket rack. It is made of plastic mesh or steel mesh, and the bed is made of plastic paper or glass. Fibres separated by feces. Use a coal briquette stove or a flue on the ground for warming and discharge toxic and harmful gases. 2, inspection facilities, cleaning and disinfection checks installed for the temperature, power supply and water supply and other facilities. 1 week before the start of the chicks, the greenhouse shall be preheated to make the indoor temperature reach 32°C-35°C and the relative humidity be 60%-70%; after thoroughly cleaning the house, 2%-3% natural firebase shall be used on the ground and walls. Spray disinfection, doors and windows and de-warming facilities, etc. with 3% to Su children spray until dry and then carefully burn with a flame lamp 1 times. Close the doors and windows, use a mixture of formalin 40 ml/cubic meter and potassium permanganate 20 g/cubic meter. After 24 hours fumigation, the disinfectant should be replaced alternately. 3, choose healthy young chicks, properly transported mountain chicks to choose clean feathers, abdominal size is moderate, soft and flexible, early ring contraction is good, eyes great, call loud, crisp, lively and powerful. After a good selection of chicks, they must be transported in a timely manner. During transportation, they must be checked to prevent crushing, stifling, freezing and causing casualties or secondary diseases. Drink 5% sugar water and 1% glucose water before transport and add a certain percentage of antibiotics to reduce stress. 4, a reasonable temperature and humidity temperature is the key condition to determine the survival rate of chicks. Appropriate temperature and humidity are conducive to the absorption of yolk, the first week of brooding temperature should be controlled at 32 °C -35 °C, after the weekly drop of 2 °C -3 °C, until the drop to 18 °C -22 °C, remain relatively stable, the temperature can not be ignored High and low, the temperature difference of the whole day cannot exceed 3°C, and the nighttime temperature should be 1°C-2°C higher than the daytime. When the greenhouse temperature is appropriate, the chicks are lively, well-distributed, well-distributed, with good appetite, normal excrement, screaming, restful and restful. When the temperature is high, the wings of the chicks start to open, panting, not eating, rushing to drink, easily causing upper respiratory tract diseases, indigestion, phlegm, etc.; when the temperature is low, the chicken is feathery, lazy, crowing together When feeding, they did not dare to go out to eat, which could easily lead to the impediment of the growth of the chicks, the outbreak of Bacillus cereus, and the collapse of blood pressure. Under the premise of doing insulation work, we must pay attention to adjusting the humidity in the house. The relative humidity of the brooding house in the first 10 days can be maintained at 60%-70%, then 50%-60% can be used, and the humidity is too low, which can easily cause chicks. Dehydration died. 5, the first drinking water, after eating water can be eaten before eating or open food at the same time, it should not be able to drink water after the first feed. After the chicks are transported to the greenhouse by long-distance transport, they should be put into the dehydration bed immediately. After a rest of about 1 hour, they should drink water first. Add 0.01% potassium permanganate to the first drinking water, and then once a week. This will not only benefit Gastrointestinal disinfection, but also add some manganese. In the first 7 days, clean and warm boiled water must be supplied in accordance with room temperature. It should be clean and sufficient to ensure that every chicken can drink water, drink water for 1-2 hours before eating, and use cornmeal to steam until it is half-cooked and spread evenly on the data sheet or The food was eaten in newspapers to facilitate the discharge of meconium. After 2 days, the chickens gradually transitioned to full-fledged feed for chicks and added appropriate amounts of electrolyte multidimensional, brown sugar and antibacterial drugs. Gradually transitioned to the trough and food dish after 3 days. The feed should be fed less frequently, 6-8 times a day. 6. Reasonable light and density lighting not only help chicks become familiar with the environment, feed and drink, but also increase chick viability, stimulate appetite, and promote growth and reproduction. The chicks use 24-hour light for 1 week, light bulbs with more than 60 watts, and light intensity of 26 watts/cubic meter. The second week starts with 19-23 hours of light, and the light intensity is 13 watts/cubic meter. Brightness can be seen to eat; after 3 weeks of age use natural light, to avoid excessive light induced spasm. Feeding density has a great influence on growth and development. Generally, the stocking density is 30-50/cubic meter within 1 week, 30-40/cubic meter within 2 weeks, and 20-25/cubic meter after 3 weeks. At the same time, it is necessary to be flexible according to the specific conditions such as the structure of the chicken house, feeding methods, seasonal changes, and chicken breeds. 7, to catch the epidemic disease prevention and control work in addition to strengthening the feeding and management, internal and external environment, cleanliness and disinfection, in the summer mosquito killing flies, but also should be based on the situation of the chicken to the chicks appropriate to prevent the drug. Vaccination according to the immunization program, 1 day old New Weiling + Zhifuling + 100 times the vaccine eye drops; 10 days old Newcastle disease + transmission H120 vaccine eye drops; 14-day old ICU B37 vaccine drops, chicken pox Vaccination of sea bream; 21 days old Newcastle disease + transmission H52 vaccine eye drops. At the age of 42 and 65 days after hatching, a new + transfer quadruple price vaccine was also used. It is advisable to determine the first time of replenishment and re-exemption through the results of antibody monitoring, so as to ensure that the chicks are in a high level of immune status, and that the young animals are open and healthy.