Hsu, J. T.J. T.HsuFahey, G. C.G. C.FaheyMerchen, N. R.N. R.MerchenMackie, R. I.R. I.Mackie2009-03-252018-06-292009-03-252018-06-291991http://ntur.lib.ntu.edu.tw//handle/246246/147737en-USEffects of defaunation and various nitrogen supplementation regimens on ruminal microbial density and activity.journal article