Feeding Cowpeas to Poultry

Small and Backyard Flocks May 05, 2015 Print Friendly and PDF

Written by: Dr. Jacquie Jacob, University of Kentucky

The cowpea (Vigna unguiculata) is an important grain legume in tropical and subtropical regions. Cowpeas are heat- and drought-tolerant crops. Cowpeas are suitable for use in poultry feeds, and their nutrient composition is similar to that of lupins and field peas, but not as good as soybeans or canola.

Cowpeas have an amino acid profile similar to that of soybeans. Cowpeas are characteristically low in sulfur-containing amino acids (methionine and cysteine) and high in lysine. Like other grain legumes, cowpeas contain antinutritional factors. Such antinutritional factors—including protease inhibitors, nonstarch polysaccharides (NSP), pectins, and phenolic compounds—reduce protein quality and nutrient digestibility. The protease inhibitors impair the activity of pancreatic enzymes such as trypsin and chymotrypsin.

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USDA / NIFA

This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.