Rex rabbits grow fast, have a short cycle, are good for meat and skin use, and have high economic value. In recent years, it has been favored by domestic and foreign markets. Raising rabbits is a good project for farmers to get rich. Although in recent years, the production of domestic rabbits has developed relatively rapidly, in terms of producing high-quality rabbit skins, the requirements for feeding conditions are relatively high. Especially in the winter, if improper feeding and management, it will not only cause an increase in feed consumption, increase the mortality of the disease and increase the expenditure, but also seriously affect the quality of fur, but also restricts the rapid development of production. The technical highlights of winter rabbit rearing and management are described below for reference. To provide a suitable environment 1, the construction of cold insulation rabbit house in the winter, the best temperature for maintaining the growth of rabbits is 15 ~ 25 °C. When building a rabbit house, it is necessary to choose shelter from the sun, heat and dry, quiet environment, convenient water and electricity, and no pollution. When designing and constructing, consider sunny, ventilation, heat preservation and heat insulation; make the incident angle of sunlight not less than 25-30 degrees, and the lighting area can reach 15% of the ground area. The use of hollow bricks or reinforced concrete as wall material makes it possible to increase the thermal resistance coefficient of the wall and to add plaster to the walls, so that 35% to 40% of the heat dissipation is not easily emitted through the walls. The roof should be covered with a thick seal, with a 45-degree high-span slope. If conditions allow, a glass wool or polystyrene foam board with good insulation properties can be used as a ceiling. The interior of the house is 20-30 centimeters taller than the house. It should be smooth, firm, compact, easy to clean, and insulated. 2, control the house temperature in winter, low temperatures, in order to increase the temperature, first increase the breeding density, relying on the rabbit body heat to increase temperature. The second is to minimize ventilation to a minimum in order to preserve the heat generated by the rabbit body. The third is to cover the transparent plastic film before and after the rabbithouse to make full use of the sun's light, increase the amount of lighting as much as possible, reduce heat dissipation, and achieve artificial temperature increase. Conditional installation of heating equipment, such as heating, electric heaters, stoves, fire pits and so on. 3, timely removal of harmful gases First, timely removal of excreta, dirt, lime moisture, keep the house clean and dry bath, regular disinfection. The second is to ventilate and ventilate in time, install ventilation devices, and strengthen automatic ventilation. You can also open doors and windows at 11 noon to 2 p.m. daily, use the natural wind to change the air, and grasp the smell at any time. The summarization of staged scientific management is: Do a good job of "three levels" and ensure that the safety of the rabbit is "three stages." 1. Make sure that you are born and close enough to ensure that your puppies are fully fed and have a good night's sleep and that they should grow and develop normally. In addition to ensuring the nutritional status of pregnant rabbits during pregnancy and lactation, the first is to record delivery time and prepare for delivery. The second is to allow the rabbits to eat colostrum in a timely manner after birth, adopt compulsory feeding, artificial breast-feeding, foster care and other measures, implement mother-to-child care, breast-feeding on time, artificial breast-feeding and other measures, and thirdly, effectively protect the rabbits from heat and freezing. Anti-pressure, anti-suspended milk, rodent-proof, ensure quiet and comfortable mother's life. 2, do a good job feeding materials to ensure eye-opening, breast-feeding healthy growth. 100% of the nutrition of most puppies within 14 days is obtained from breast milk. When he opened his eyes and had a certain amount of activity and body temperature adjustment ability, he began to recognise the fodder. From then on, he embarked on a drastic change that took the lead from breast milk, followed by feed intake, and then to independent living. At this time, there are multiple stages of stress reaction. At 15 to 20 days of age, the mother is fed in the same cage and feeds together to increase the amount of feed and trough of the female rabbit and improve feed quality. From 20 to 45 days of age, the mother's bedding is separated, and the rabbits are individually supplied with nutritious, easily digestible, fresh and hygienic, good palatability, and processed with fine quality feed, and supplemented with minerals, vitamins, and anticoccidial drugs to reduce inflammation and sterilization. Stomach, anthelmintic drugs. Gradually reduce the number of breast-feeding, increase the amount of feed, eat less meals, provide sufficient warm water, and gradually adapt the puppies to the external environment of independent living. And we must constantly check the farrowing box, replace the bedding in time, and weed out the weak puppies. 3, grasping the weaning off after 40 days of age began to reduce the number of maternal exposure, and reduce the female rabbit's nutritional level, reduce the amount of milk until stopped. After 45 days of age, the physique was strong and well-fed puppies were fully weaned. Infirm pups stay for around one week in the female rabbit. When weaning, mothers should be left to stay in order to prevent sudden changes in the environment. 4. Reasonable grouping will be based on sex, weight, and strength. Determine the stocking density according to the size of the cage. General adult male and female rabbits are kept in separate cages (shepherding). The young rabbits have 4 to 5 per cage (approximately 05 square meters in area), and the fattening rabbits have 2 to 3 per cage. 5. Reasonably arrange for sports young rabbits to strengthen their sports, adopt cluster stocking, and release them centrally at noon every day, and return to the cage after 4 pm. Fatty rabbits restrict exercise so as to reduce the consumption of nutrients in the body and accumulate nutrients in the body. The fattening rabbits are kept in small cages and placed in a warm, quiet, dark place for best fattening. Male rabbits that are not used for breeding can be castrated and fattened in about 70 days. Reasonable ingredients feeding 1, the mix of feed should be reasonable to provide full price feed according to growth characteristics and nutritional needs. When mixed feeding, green feed should be used in a variety of combinations, fresh and clean, and supplemented with sufficient supplements. When eating freely, the contents of various nutrients in the mixed feed should be controlled at 10.46 to 11.72 kJ per kilogram of feed, 18% at the early stage of crude protein, 14% at the late stage, and 3% to 5% at the crude fat. Crude fiber 12% to 15%, calcium 0.5% to 0.7%, phosphorus 0.3% to 0.6%. Scale feeding should use full price with granular feed. When free-range, it is advisable to adopt coarse green, and then make up fine material. 2, when the use of coarse powder feeding should be reasonable wet mixed with coarse powder should be mixed evenly, before feeding 1:1 with warm water, wet, generally grasping the wet material in the hand when the water seepage between the fingers for the degree, Now with the mix, 1 should not be mixed. In order to maintain the freshness and palatability of the feed. 3. The daily feeding amount should be reasonable. (1) The number of feedings on a daily basis: Generally, 5 to 6 times per day for puppies, 4 to 5 times for young rabbits, and 3 to 4 times per day for fattening rabbits and adult rabbits. (2) The amount of diet: It depends on the production conditions, body weight, good and bad conditions, and digestive abilities. (3) Regular feeding: 4 times a day, ie, 6:00 to 7:00 in the morning, 11:00 to 12:00 in the afternoon, 4:00 to 5:00 in the evening, and 9:00 to 10:00 in the evening. The daily feed amount is 25% in the morning, 20% in the noon, 20% in the evening, and 35% at night. (4) It is advisable that each meal is 80% full, and the amount of feed each time is not the degree of food left in the tank. After feeding, add green feed as a supplement. To forage at night. (5) When replacing feed, the amount of new feed should be gradually increased, and do not suddenly change all. Timely prevention and treatment of diseases need to be done with hand-to-eye, eyesight, and cleanliness, cleaning and cleaning equipment, and timely cleaning of dirt and disinfection. Good observation during feeding, found bad phenomena, timely treatment, so that early detection of disease, early treatment. Adhere to self-cultivation and self-support, prevention is the main, regular use of vaccines or drugs to prevent rabbit viral septicemia, pasteurellosis, coccidiosis and diarrhea, indigestion and so on. Timely treatment of diseases such as rickets, necrophagous disease, rabbitpox disease, rabbit rickets, wet dermatitis, and yellow urine disease that directly damage fur.
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