One, pig feed formula (the number in the formula is a percentage, the same below):
Early: corn 25, sub flour 10, wheat bran 30, Cai cake 15, cotton cake 13, cocoon 5;
Mid-term: corn 25, sorghum 10, wheat bran 20, wolfberry cake 10, reunification 11, Hu Dou 2, vegetable cake 18, cocoon 2;
Late: corn 50, sub-flour 10, wheat bran 6.5, wolfberry cake 10, Hu beans 3, Cai cake 12, blood meal 2, cocoon 5.
Second, the trace element formula (refers to every hundred pounds of feed content, the pig can eat more than 2.8 pounds per day); oxytetracycline 5 grams, 25 grams of copper sulfate, 15 grams of ferrous sulfate, zinc sulfate 10 grams, 35 grams of dry yeast, calcium Tablets 15, 30 mg of cobalt sulfate, 5 mg of sodium selenite, 500 g of salt.
The above medicine was opened with water and mixed into the feed. The dry humidity is suitable for squeezing into groups without dripping, and then it is piled up and fermented. Heaps below 15°C for 24 hours, 20°C for 12 hours, and 30°C or more are now fed. Feed 4-5 times a day. The above dose is the upper limit. Do not increase the dose blindly. Note that copper sulfate is hot and there should be enough drinking water in summer.
Third, the application of hormones: 1 Triacontanol: Aqueous agent daily feed 3-5 ml. If it is a powder, use it according to the factory instructions. 2920: 3.1 grams each time, once every three days. Discontinued 40 days before slaughter. Attachment: Experimental Formula of Institute of Animal Husbandry, Shanghai Academy of Agricultural Sciences:
Early: corn 20, wheat bran 2.25, barley 15, fish meal 4.5, cotton cake 3.5, green sugar 4, vegetables 50, stone powder 0.5, salt 0.25. Allows the pig to gain 483 grams daily;
Medium term: corn 17.5, wheat bran 5.25, barley 12.5, fish meal 2, cotton cake 3, brown sugar 9, dried vegetables 50, stone powder 0.5, salt 0.25. Allows the pig to gain 727 grams daily;
Late: corn 15, wheat bran 4, barley 10, fish meal 1, cotton cake 1.75, sucrose 17.5, dried vegetables 50, stone powder 0.5, salt 0.25. The pig can gain 838 grams daily.
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3. Adopting more than 5280 slices of reflection mirror, guaranteeing 1200 mm lighting depth.
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