title: Evidence of endotoxins in the rumen bacteria of cattle fed hay or grain.
mesh_terms: D000818:Animals; D001419:Bacteria / Q000032:analysis*; D002417:Cattle / Q000382:microbiology*; D002642:Chick Embryo; D003609:Dactinomycin / Q000494:pharmacology; D004731:Endotoxins / Q000008:administration & dosage / Q000302:isolation & purification / Q000633:toxicity*; D004926:Escherichia coli; D005260:Female; D005334:Fever / Q000209:etiology; D007928:Lethal Dose 50; D007958:Leukocyte Count; D008033:Limulus Test; D008297:Male; D051379:Mice; D011817:Rabbits; D012417:Rumen / Q000382:microbiology*; D012485:Salmonella typhi; D013290:Streptococcal Infections / Q000209:etiology
chemical_list: D004731:Endotoxins; D003609:Dactinomycin