1, the role of oil: grease in the body of the oxidation of the energy supply is equivalent to 225 times the carbohydrate, to meet the higher energy needs of the pig, reduce amino acids into adult proteins; fat is fat-soluble vitamins and certain hormones Solvents promote the absorption and utilization of these substances, and put forward the necessary unsaturated fatty acids for pigs to ensure the healthy growth of pigs; Adding oils can improve feed palatability and increase feed intake for pigs; It can reduce feed dust and reduce the occurrence of respiratory diseases.
2. Add fats and oils: Lard, butter, soybean oil, peanut oil, etc., oil seasoning, ginger, and other seasonings are fried and fragrant. After the oil foot cooling effect is directly added to the feed, or add glutinous, corn flour, Flour mill dust surface and a certain amount of antioxidants (such as vitamin E, etc.), Stir, dry or dried, after the crushing feed added to feed the pig.
3, the amount of fat and the effect of the addition: in the 2-4 weeks old piglet diet to add 3% of fat, increase the weight check increased 10-14%, the mortality rate decreased by 30-50%, and can reduce weaning stress. Adding 4-5% fat to fattening pig diets can increase the weight gain by 12-15%. Each weight gain is 1KG, feed consumption is reduced by 8-10%, and fattening days are reduced by about 15-20 days. Carcass fat after slaughtered White is firm, muscles are bright, and pork grades are improved.
4, Pigs pay attention to grease: rancid, contaminated oil can not feed the pig, otherwise affect the health of the pig; strict control of oil and at the same time should pay attention to the supply of choline chloride, add the amount of 0.05% of feed to prevent fatty liver Occurrence; Adding fats and oils to pigs should gradually transition from a small amount to a proper amount, otherwise digestive disorders may occur. Because pigs have a process of adapting to grease.
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