00593naa a2200205 a 450000100080000000500110000800800410001910000210006024501010008126000090018265000130019165000160020465000160022065000100023665300150024665300220026170000140028370000180029777300720031515179792013-12-27       1970    bl uuuu     u00u1 u    #d1 aROBERTSON, I. S.  aEffect of castration and dietary protein level on growth and carcass composition in beef cattle.  c1970  aCarcaça  aCastração  aCrescimento  aOvino  aComposicao  aNutricao proteica1 aPAVER, H.1 aWILSON, J. C.  tThe Journal of Agricultural Sciencegv. 74, n. 2, p. 299-310, 1970.