abstract |
FIELD: agriculture. n SUBSTANCE: feed composition for promoting animal growth contains feed material and more than 240 mcg of free IAA (indoleacetic acid) or its derivative per 1 kg of the feed composition; the above derivative is chosen from the group including 4-hydroxy-IAA, 4-methoxy-IAA, 5-hydroxy-IAA, 5-methoxy-IAA, 6-hydroxy-IAA, 6-methoxy-IAA, 7-hydroxy-IAA, 7-methoxy-IAA and a compound which can be converted into the free IAA in 3, preferably - 2 and more preferably in 1 stage. n EFFECT: promoting animal growth by feeding the animal with free IAA together with the feed. n 27 cl, 8 ex, 15 tbl |