Under the stressful conditions of feedlots, the microbial
population in the rumen apparently does not synthesize certain
B vitamins at adequate levels.
Adding a complete
B-vitamin mixture for cattle entering the feedlot during
the first month can reduce stress and increase gains.
Biotin deficiency
has been linked to lameness in cattle
Under specific conditions relating to stress and
high productivity, ruminants may benefit from supplemental
B vitamins, particularly thiamin and niacin.