Anne Laarman

IntroductionAt birth, the rumen is non-functional, making calves pre-ruminants. By weaning, the rumen is the principal site of volatile fatty acid (VFA) absorption, responsible for over 50% of all VFA being absorbed (Allen, 1997). Consequently, the calf rumen must undergo a ruminant transition, where the rumen goes from non-functional to functional in 6-10 weeks, coinciding wit ...