00800naa a2200193 a 450000100080000000500110000800800410001902400450006010000190010524500800012426000090020452002510021365000150046465000100047965000170048965300150050670000160052177300690053715202842023-12-04       1949    bl uuuu     u00u1 u    #d7 ahttps://doi.org/10.1079/BJN194800562DOI1 aTHOMSON, A. M.  aLambing in relation to the diet of the pregnant ewe.h[electronic resource]  c1949  aOur purpose was to confirm and extend the earlier work of Thomson & Fraser (1939), with special reference to the problem of the vitality of lambs, and to consider the degree of individual variability within a fairly larger flock of pregnant ewes.  aNutrição  aOvino  aReprodução  aNatalidade1 aTHOMSON, W.  tBritish Journal of Nutritiongv. 2, n. 4, p. 290-305, Dec. 1949.