(2) Trace element additives: including copper, iron, zinc, cobalt, manganese, iodine, selenium, calcium, phosphorus, etc., have the functions of regulating metabolism, promoting growth and development, enhancing disease resistance and improving feed utilization rate. After addition, the daily gain of pigs can generally be increased by 1% ~ 2%, and the feed cost can be reduced by 8% ~ 1%.
(3) Vitamin additives: including vitamin A, vitamin D2, vitamin E, vitamin K3, vitamin B1, vitamin D3, vitamin B2, vitamin B6, vitamin B12, vitamin C, various vitamins, choline, premix additives for pigs, vitafat, Tevita -8, French fertilizer, health-care elements, tonic elements, etc., depending on different pigs.
(4) amino acid additives: including 18 kinds of amino acids such as lysine, methionine and glutamic acid, as well as raw treasure, livestock treasure, feed yeast, feather powder, earthworm powder and feed music. At present, lysine and methionine are the most commonly used additives. Adding .2% lysine to the diet for pigs can increase the daily gain by about 1%.
(5) Antibiotic additives: including oxytetracycline, chlortetracycline, neomycin, salinomycin, tetracycline, bacillus, lincomycin, Kangtai feed additives, Zhubao and Baoshengsu, etc.
(6) Insect repellent health feed additives: including Anbaoqiujing, Keqiufen, and Baobao -34.
(7) Anti-mildew additive or feed preservative: Due to the high oil content of rice bran, fish meal and other concentrated feeds, they are prone to oxidation and deterioration after long storage time. Adding ethoxyquinoline can prevent feed oxidation, and adding propionic acid and sodium propionate can prevent feed mildew.
(8) Chinese herbal medicine feed additives: including garlic, mugwort powder, pine needle powder, mirabilite, dangshen leaves, medical stone, wild hawthorn, orange peel powder, acanthopanax senticosus, rhizoma atractylodis, motherwort, etc.
(9) Buffer feed additives: including sodium bicarbonate, calcium carbonate, magnesium oxide, calcium phosphate, etc.
(1) Feed flavoring additives: including sodium glutamate, edible sodium chloride, citric acid, lactose, maltose, licorice, etc.
(11) Hormone additives: including Shengruling, Huoyangsu, Fattening Ling, etc.
(12) Coloring adsorption additives: mainly odoraxanthin (such as red pepper and yellow corn flour).
(13) Acidifier additives: including citric acid, fumaric acid, lactic acid, acetic acid, hydrochloric acid, phosphoric acid and compound acidifier, etc. Adding an appropriate amount of acidifier to the pig diet can significantly increase the daily gain of pigs and reduce the feeding cost.