Do not use lean meat to make lean pigs

The recent occurrence of the “Clean Clenbuterol” incident at Shuanghui has brought people’s attention to the pig industry. Then, if lean meat is not used in animal husbandry production, can it not produce lean-type pigs with high lean meat percentage? no. The following points should be noted when producing lean-type pigs. First of all, choosing a breed with a high percentage of lean meat as a breeder can significantly increase the carcass's lean lean rate. Different breeds of pigs have different carcass leanness rates. Overall, foreign carcasses and breeds of pigs cultivated in China have higher lean carcass rate than Chinese local breeds, so they should choose good lean species, such as Locke, Great White Pigs, Landrace pigs and other species can significantly increase the carcass lean body fat percentage. Second, hybrids between breeds (strains) are used to increase carcass leanness. At present, binary hybridization, three-way hybridization and accessory line hybridization are widely used in various countries in the world. In the actual production, the weight gain rate of the commercial pigs and the quality of the lean meat of the carcass mainly depend on the quality of the hybrid male parent. We used elite lean (bred) boars to hybridize with local or bred sows. In order to make full use of the heterosis of the female parent, the two breeds (strains) with excellent reproductive traits can be crossed to select their hybrid sows, and then hybridized with the lean-type breeds of boars, thus maintaining the hybrid superiority of fecundity. , also increased the lean body carcass rate. At present, China has cultivated a variety of hybrid commercial pigs that grow and grow, such as grow and grow, and can be used for commercial pig farms. Third, regulate nutrient levels, reduce fat deposition in growing pigs, and increase lean meat volume. Since the amount of lean meat depends on the level of protein in the feed, it is possible to limit the feed protein level by limiting the amount of feed to feed, while ensuring a balanced supply of various amino acids, using the ideal amino acid model and the amount of digestible amino acids to formulate the feed, etc. Raise lean target. Fourth, strengthen the feeding and management to ensure a higher lean meat rate when pigs are slaughtered. Such as maintaining good cleanliness and temperature and humidity in the house; allowing the pig to exercise in moderation; feeding the pellets, using regular feeding methods and feeding methods after the fattening period. At the same time, considering the carcass lean meat ratio and economic benefits, the marginal benefit can be used to calculate the appropriate age and weight of the slaughter. The finishing pigs are raised to 150 to 170 days of age, and the weight is 95 to 110 kg.

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