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Techniques and Essentials for Producing Lean Meat Pigs
First, the use of hybrid pig fattening can choose Landrace, Yorkshire, Duroc, Hampshire and other lean boar hybrids with the local purebred sow, but also can be used to produce three-way hybrid lean commercial pigs. That is, the above-mentioned hybrid generation is used as a female parent, and another kind of lean-type boar is used as a parent to produce a commercial pig. The cross-breeding pigs produced in this way have strong disease resistance, are robust, and are born with a single weight, and then they can produce high-efficiency lean-type commercial pigs through scientific breeding techniques. Second, the use of consistent fattening method In order to increase economic efficiency, we must adopt a consistent fattening method, also known as "straight fattening method", but can not engage in traditional hanging shelf fattening method. This will shorten the feeding cycle from about one year to about six months. At the same time, we must also pay attention to the following three links: 1. The rational use of compatible beverages. When the piglets are lapped to 50kg, the crude protein in the compound feed should reach 16%-18%, and the digestion energy should reach 2.8 Mcal/kg; feed 0.75-1.5kg per day, and gradually increase from small to large. From 50kg to 90 stages, the crude protein in the formulated feed was 12% to 14%; 1.5-2.5kg of compound feed was fed daily, and the amount of feed was gradually increased. The amount of daily feeding in two stages should be increased by 0.2kg every 10-15 days until the high limit. 2. Change cooked and feed for life. This will not only save a lot of fuel, reduce costs, but also avoid the destruction of large amounts of vitamins due to cooking. However, the beans in the compound feed must be fried and crushed before use. 3. Pay attention to the feeding method. Feed 2 times a day, first feed the concentrate, feed the green material, and finally feed the water. Do not feed with fine material and green material. The concentrate can be mixed with wet feed. The ratio of feed water is 1:2. The green material can be chopped and the drinking water supplied must be clean. Third, to strengthen the management and prevention of disease 1, the first ring of pigs should first be the prevention of swine fever, erysipelas, lung disease prevention; 2, every two weeks with lime disinfection once the housing. Shelter and import and export, lime water disinfection pit should be set; 3, piglets and 50kg, each should drive a parasite; 4, the ring home cleaning, often kept clean and dry. The pig house should be warm in winter and cool in summer; 5. After the lap, emphasis should be placed on teaching to eat, sleep, and pull urine to locate the urine; 6. Feeding in groups according to size.