(2) Trace element additives: including copper, iron, zinc, cobalt, manganese, iodine, selenium, calcium, phosphorus, etc. It has the functions of regulating organism 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 10% ~ 20%, and the feed cost can be reduced by 8% ~ 10%.
(3) Vitamin additives: including vitamin A, vitamin D2, vitamin E, vitamin K3, vitamin B 1, vitamin D3, vitamin B2, vitamin B6, vitamin B 12, vitamin C, and various vitamins, choline, pig premix additives, vitafat, Tevita -80 and French fertilizers.
(4) Amino acid additives: including lysine, methionine and glutamic acid 18 kinds of amino acids, 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 0.2% lysine to the pig diet can increase the daily gain by about 10%.
(5) Antibiotic additives: including oxytetracycline, chlortetracycline, neomycin, salinomycin, tetracycline, Bacillus, lincomycin, Kangtai feed additive, Zhu Bao and Baoshengsu.
(6) Insect repellent health-care feed additives: including Anbaoqiujing, Keqiufen, Baobao -34, etc.
(7) Mildew-proof additives or feed preservatives: Concentrated feeds such as rice bran and fish meal are prone to oxidation and deterioration due to their high oil content and 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, dried tangerine peel powder, acanthopanax senticosus, rhizoma atractylodis, motherwort, etc.
(9) Buffer feed additives: including sodium bicarbonate, calcium carbonate, magnesium oxide, calcium phosphate, etc.
(10) Feed flavoring additives: including sodium glutamate, edible sodium chloride, citric acid, lactose, maltose, licorice, etc.
(1 1) Hormone additives: including raw milk essence, growth promoting essence, fattening essence, etc.
(12) coloring and adsorption additives: mainly flavor enhancers (such as red pepper, yellow corn flour, etc. ).
(13) Acidifier additives: including citric acid, fumaric acid, lactic acid, acetic acid, hydrochloric acid, phosphoric acid, compound acidifier, etc. Adding proper amount of acidifier to pig diet can significantly increase the daily gain of pigs and reduce the feeding cost.