According to experiments, the consumption of nutrients for a pig growing 1 kilogram of fat can be 4 kilograms of lean meat, which means that the benefit of producing lean meat is 4 times that of producing fat. The "consistent" and "phase" methods of fattening pigs adopted by farmers in the past are conducive to fat deposition and adversely affect the growth of lean meat. The phase-deployment bag restricts feeding on the premise of free food intake, limiting the daily feed intake of pigs, not allowing the pigs to overeat. Generally, they are free to feed during the pre-term period, and feed after the deadline, and the limit of feeding is 20%. 30%, that is, pigs weighing 60 kg before the day, to provide adequate nutrition full price of green material, any pig to eat, give full play to the advantages of long lean meat at this stage, anxious to take a larger daily gain, after 60 kg Reduce food intake. One way to limit the feeding is limited feeding. In the late period of fattening, diets were formulated according to the standards for feeding, and 75% to 80% of the free-feeding diet was used as the standard diet. The second was the use of limited-quality feeding. Combine diets with appropriate low-nutrient feeds such as green fodder and hay powder, and mix 1.5 to 3 kg of green fodder and 0.1 to 0.2 kg of grass-based fodder per kilo of formulated feed so that digestibility per kilogram of feed contains no less than 10.87 trillion. Coke, fed with this feed with a low nutrient concentration, can not only increase the lean meat yield, but also have less impact on weight gain. The first one is that the limited amount of feed should be quantified regularly, so that pigs can freely drink water; Second, when the quality of the feed is limited, the amount of feed such as hay powder mixed with human should be high quality; Third, pay attention to feed large Volumetric feed, so that both restrictions on food, but also allow the pig to eat full. China Agricultural Network Editor
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