Effects of dietary incorporation of potato protein concentrate and supplementation of methionine on growth and feed utilization of rainbow trout

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Abstract

Four diets (1, 2, 3 and 4) were formulated to contain different potato protein concentrate (PPC) levels (0, 22, 56, and 111 g kg-1). Diet 5 contained 56 g kg-1 PPC and 17 g kg-1 methionine. A growth trial was conducted to investigate the effect on growth and feed utilization of incorporation of PPC and supplementation of methionine in the diet of rainbow trout. When the proportion of PPC exceeded 56 g kg-1 the growth of fish decreased while both growth and feed utilization decreased when the dietary PPC was 111 g kg-1. Protein productive value and condition factor of the fish decreased and mortality increased with the increase in the proportion of dietary PPC.
Original languageEnglish
JournalAquaculture Nutrition
Volume4
Issue number3
Pages (from-to)183-186
ISSN1353-5773
Publication statusPublished - 1998

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