METHOD OF INCREASING BONE STRENGTH OF PIGS, RESPECTIVE COMPOSITION, ITS USE, FEED STUFF AND PREMIX FOR PIGS

摘要

FIELD: agriculture.;SUBSTANCE: present invention relates to feed stuff for pigs. Proposal is given of the composition of the feed stuff, containing a 25-hydroxy derivative of vitamin D₃ and vitamin D₃ in an effective quantity. This composition can be used in feed stuff or veterinary composition for strengthening bones of animals, particularly pigs. The method of strengthening bones of pigs involves prescription of this composition. The feed stuff for pigs contains approximately 10-100 mcg/kg 25-hydroxy derivative of vitamin D₃ and approximately 200-4000 ME/kg vitamin D₃. The premix for feeding pigs contains approximately 2-20 mg/kg 25-hydroxy derivative of vitamin D₃ and approximately 40000-800000 ME/kg vitamin D₃.;EFFECT: increased bone strength in pigs.;5 cl, 2 tbl, 4 ex