FIELD: animal farming. SUBSTANCE: method involves introducing into basic ration of biologically active substance, such as carnitine, possessing wide range of effects. Carnitine is introduced in dose of 50-100 mg/kg of feed to pregnant swine at second half of gestation period for 30 days before farrow, and to replacement swine eight weeks before first pairing for four weeks. EFFECT: increased productivity, improved feed assimilation and reduced consumption of feeds per unit of liveweight growth. 3 tbl, 2 ex
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