1. Composition of artificial milk: 68% skimmed milk, 29% fat, 3% phospholipids before 20 days of age, 80% skimmed milk, 17% fat, and 3% phospholipids at 20 to 40 days. 2. Additive content per 1000 kg artificial milk: 1 trace element cobalt chloride 1.2 g, copper sulfate 20 g, potassium iodide 0.3 g, sodium selenite 0.2 g; 2 mineral salt 10 kg, bicarbonate 5 kg , Vitamin a 20 million units, Vitamin b 6 million units, Vitamin e 2 million units, Vitamin b 1 1.5 grams, Vitamin b 2 1.5 grams, Vitamin b 6 750 mg, Vitamin b 1250 mg; 3 Synthetic amino acid lysine 1 kg, Methionine 2 kg; 4 Bioactive substance chlortetracycline 50 grams, mountain road quinol 50 grams, methylated hydroxytoluene 70 grams. Feeding fat lambs: After lambs were weaned, each sheep was fed with 5 kg of green grass and 0.5 kg of concentrated feed. From 20 days after weaning, each lamb is fed with 2.5 kg of mixed feed (80% of hay powder and 20% of concentrated feed) per day. The average daily weight gain is 173 grams, and each kg of feed requires 8.2 kg of feed. The use of large-scale double-stitch sheep farmyard sheep fattening abroad, each can accommodate 3000 to 5000. There is a gap in the upper floor to facilitate dropping of the droppings. A scraper conveyor is provided to transport the pellet feed and a long-flowing drinking water tank. The lower floor is equipped with a scraper-type cleaning machine. Lambs were weaned 60 to 120 days after birth, and after 76 days of fattening, the average daily weight gain reached 230 grams. After finishing the fat, the weight reached 34 to 40 kilograms, and the slaughter rate was 47.6%. Sensor And Emergency LED Waterproof Fitting Sensor And Emergency LED Waterproof Fittings,Sensor Emergency LED Fitting,LED Weatherproof Fittings Ningbo Wellway Optoelectronic Technology Co.,Ltd , https://www.wellwayopto.com