Response of the Pig to APF,B 12 and B 12b

Abstract

Summary

A mixture of B₁₂ and B_12b was of no benefit for growth when administered by injection or orally to the pig during a 40-day period under the conditions of this experiment. APF prevented a diarrhea which occurred periodically with the other pigs on experiment. APF fed pigs exhibited a smoother hair coat and more bloom. Further evidence was obtained to show that APF contains a factor(s) other than B₁₂ or B_12b