Biblio
“Oxytetracycline and high levels of phosphorus in the wintering ration of beef cattle”, J. Animal Sci, vol. 18, 1959.
, “The response of beef cattle to phosphorus fertilized and unfertilized flood meadow hay with in vitro observations on factors influencing rumen microorganism activity”, West. Seca Amer. Soc. Anim. Sci. Proc. 9: LXI-1-LXI-6, 1958.
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