Evaluation of Hempseed Meal as a Protein Source in Swine Finishing Rations

Abstract

Hempseed meal (HSM) was studied as an alternative protein source for grow-finish swine diets. This study utilized 44 barrows randomly assigned to a treatment diet containing HSM or control diet containing soybean meal (SBM) as the primary protein source. Diets did not affect (P > 0.05) feed intake, feed conversion, or average daily gain. Barrows were harvested over 5 days. No differences (P > 0.05) were found between diets for hot carcass weight, liver and lung scores, carcass pH, dressing percentage, or quality and yield grades. Carcasses were fabricated and additional quality attributes investigated via shelf-life, Warner Bratzler Shear (WBS) force, and proximate analysis. SBM chops had less (P = 0.0438) drip loss than HSM. Interaction between diet and chop type was significant (P 0.05) were found for L*, a*, and b* values. Aerobic plate counts were higher (P 0.05) were seen for estimated prices to producers for carcasses, major and minor cuts, or slaughter costs when premiums/discounts were applied based on 10th rib backfat

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