1. Add oolong tea powder to the cow's feed, add 0.4% for 10 days pre-feeding and 0.5% for 40 days during the test period. Dairy cows can double daily milk production compared to conventionally fed cows. 2. Add 5%, 10%, and 15% tea to the chicks' feed respectively. After 8 weeks of feeding, chicks gain weight faster. 3. Prevention of vitamin A deficiency (night blindness), desirable 1 tea, pumpkin 30, carrot 20, mixed mash, sheep pigs 200 to 300 grams each time, large animals each 500 grams to 1000 grams mixed feed.
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