Cowpea (Vigna unguiculata, Walp) as potential substitute for soybean oil meal
1986
Millamena, A.A. | Lopez, P.L. (West Visayas State Univ., Iloilo City (Philippines))
Matured cowpea seeds, either cooked or raw, have about the same values for proximate composition, amino acid spectrum, calcium and phosphorus, trace elements, urease activity, and metabolizable energy. Cowpea has higher metabolizable energy than soybean oil meal, but the latter has higher crude protein amino acids and mineral content. Urease content is low in cowpea and that cooking is unnecessary for its utilization. The coefficients of apparent metabolizable energy and crude protein are generally improved when cowpea is offered in combination with other feed ingredients. Feed consumption, body weight, feed and protein efficiency ratios of broilers fed with cowpea substituted diet are about the same if not better than those offered a diet without cowpea. The values obtained for these parameters are much better compared to the performance of the same strain of commercial broiler hybrids fed the commercial broiler starter mash. There were no significant differences observed between processing methods (raw vs, cooked) or among substitution levels (0, 25, 50, 75, 100%) and between feeding management (0-49 or 15-49 days) of cowpea. Under the conditions of the present study, cowpea, either cooked or raw, can substitute for soybean oil meal up to 100% in broiler diet.
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