Calving date and wintering system effects on cow and calf performance II: Economic analysis 1
作者： W.A. Griffin Pas , L.A. Stalker , M.C. Stockton , D.C. Adams , R.N. Funston
DOI: 10.15232/S1080-7446(15)30355-7
关键词:
摘要: Data from a 4-yr study involving 217 cows/yr (3/4 Red Angus, 1/4 Simmental) were used to compare net returns among 5 cow/calf production systems: 1) March (Mar) calving cows wintered on native range, 2) Mar corn residue, 3) June (Jun) 4) Jun and 5) August (Aug) residue. Steers born in entered the feedlot at weaning (November; calf-fed). heifers Aug divided equally into 2 postweaning management treatments. Half immediately after (May, calf-fed) other half grazed subirrigated meadow as yearlings (September October). Average USDA reported monthly prices for yr 2007 2010 value both inputs outputs. Prices utilized time of purchase feed ingredients replacement sale cattle. Costs not different (P = 0.81) dates, but greatest 0.21) calf performance. generated greater < 0.01) than when ownership was retained. Net 0.02) calf-fed compared with yearling cattle purchased sold marketing-grid basis. Purchasing finishing profitable. vary by date, wintering system, length, sex.
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