FIELD: cattle breeding. SUBSTANCE: after 0-24 h of piglet weaning, i. e. at the initial lactation stage serum gonadotropin of mare in foal is administrated by subcutaneous injection to sows at the dose 1500-2000 I.U. per a head. Then after 50-60 h surfagon (luliberin) is administrated intramuscularly additionally at a single dose 5-10 mcg per a head. Use of method provides to decrease agalactosis in sows by 10.4%. Serum gonadotropin of mare in foal is administrated by subcutaneous injection at the dose 1500-1800 I. U. per head to sows, and after 24 h surfagon is administrated additionally by intramuscular injection at the dose 5-10 mcg per a head. EFFECT: agalactosis prevention, dairy productivity stimulation. 1 tbl
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