Effects of defaunation and subsequent refaunation on bacterial numbers in and microbial protein flow from the rumen of sheep CJ Newbold, FM McIntosh, XB Chen, KM Koenig, LM Rode and AF Furtado Reprod. Nutr. Dev., 37 Suppl. 1 (1997) 45-46 DOI: 10.1051/rnd:19970727