METHOD OF INCREASING REPRODUCTIVE CAPACITY OF SOWS Russian patent published in 1999 - IPC

FIELD: agriculture, in particular, farm animal reproduction method by complex usage of hormonal and vitamin preparations. SUBSTANCE: method involves introducing dose of tetravit into feed for sows in an amount of 3-5 mg/head on 8th day of gestation period, during 60 days as well as during the whole sucking period at intervals of 7-10 days. 72-75 h before weaning of pigs, dose of progesterone in an amount of 100 mg/head is introduced into feed ration of sows; on weaning day, synthetic fatty acid is introduced, with following addition of 10 mg/head of progesterone on 2nd, 4th, 6th days upon weaning. EFFECT: increased efficiency in improving sow reproductive capacity and simplified method. 2 tbl, 1 ex