HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Watkins, S. E. Articles by Waldroup, P. W. Search for Related Content PubMed Articles by Watkins, S. E. Articles by Waldroup, P. W.

An Evaluation of Low-Gossypol Cottonseed Meal in Diets for Broiler Chickens 1. Effect of Cottonseed Meal Level and Lysine Supplementation

Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701; Phone: (501) 575-2065; FAX: (501) 575-3026

Correspondence: P. W. Waldroup

A low free gossypol pre-press solvent meal was incorporated into broiler diets at levels up to 30%. Residual gossypol levels were neutralized by supplementation with soluble iron; various levels of lysine supplementation were examined in an attempt to compensate for deficiencies in the meal and to overcome potential problems with amino acid digestibility. Results indicate that the incorporation of cottonseed meal into the diets did not significantly affect body weight gain and mortality of broilers. The addition of cottonseed meal increased feed intake and depressed feed utilization in a linear manner. Lysine supplementation was ineffective in overcoming this effect. Possible reasons for this response are discussed.

Key Words: Broilers • cottonseed meal • gossypol • lysine bioavailability • protein sources