5[1]Ali, J.R.Ledoux,A.J.Bermudez et al. Selenium requirement of broilers fed corn-soybin meal diets from1 to 21 day, Poutry Science.1997,76(supple1):58
6[2]Monksnes, K.Selenium deposition in tissues and eggs of laying hens given surplus of selenium sa selenium as selenomethionine. Acta. Vet. Scand.1983,24:34~44
7[3]Monksnes, k.,G.Norheim.Se consentrations in tissues and eggs of growing and laying chickens fed sodium selenite at different levels. Aet. Scand.1982,23:368~379
