| 摘要 |
FIELD: animal science, swine breeding. ^ SUBSTANCE: during the period of growing and fattening the youngsters for the purpose of increasing the performance in youngsters in case of simultaneous deficiency of selenium and iodine it is necessary to supplement the diet with microadditives. According the technique mentioned one should apply potassium iodide introduced subcutaneously at the dosage of about 6-9 mg/swine on the 60-90th d of their life, and sodium selenite introduced perorally at the dosage of 0.5 mg/kg feedstuff during the whole period of raising. The innovation enables to increase average daily body weight gains by 20.5%, shorten the age to achieve body weight of 100 kg by 24 d and decrease the expenditure of feedstuff per 1 kg body weight gain by 17.2%. ^ EFFECT: higher efficiency. ^ 2 tbl |
