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Effects of age and liveweight at first calving of dairy heifers on production over three lactations
R.C. Dobos, K.S. Nandra, K. Riley and 1 other · 2002 · Proc. Aust. Soc. Anim. Prod. (2002) 24: 290
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The effects of sodium monensin on growth, age at first calving and milk yield in Friesian heifers
J.B. Moran and D.F. Earle · 2002 · Proc. Aust. Soc. Anim. Prod. (2002) 24: 145-148