abstract |
(57) [Summary] [PROBLEMS] To provide a feed or a feed additive useful for animal rearing. The present invention provides 1α, 25-dihydroxyvitamin D 3 or 1α-hydroxyvitamin D 3 and 1α, 2. Disclosed are feeds or feed additives containing a combination with 4,25 (or 1α, 25,26) -trihydroxyvitamin D 3 . |