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Titolo:
A preliminary study on the dietary protein requirement of larval Japanese flounder Paralichthys olivaceus
Autore:
Bai, SC; Cha, YT; Wang, X;
Indirizzi:
Pukyong Natl Univ, Dept Aquaculture, Pusan 608737, South Korea Pukyong Natl Univ Pusan South Korea 608737 re, Pusan 608737, South Korea
Titolo Testata:
NORTH AMERICAN JOURNAL OF AQUACULTURE
fascicolo: 2, volume: 63, anno: 2001,
pagine: 92 - 98
SICI:
1522-2055(200104)63:2<92:APSOTD>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Soggetto:
FATTY-ACID COMPOSITION; BASS LATES-CALCARIFER; GILTHEAD SEABREAM; SPARUS-AURATA; MICROCAPSULES; SURVIVAL; GROWTH;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Bai, SC Pukyong Natl Univ, Dept Aquaculture, Pusan 608737, South Korea Pukyong Natl Univ Pusan South Korea 608737 n 608737, South Korea
Citazione:
S.C. Bai et al., "A preliminary study on the dietary protein requirement of larval Japanese flounder Paralichthys olivaceus", N AM J AQUA, 63(2), 2001, pp. 92-98

Abstract

This experiment was conducted to estimate the dietary protein requirement of larval Japanese flounder Paralichthys olivaceus (also known as the oliveflounder) and to examine the effects of a commercial diet and three experimentally developed microparticulate diets (MPDs) on their growth and body composition. Larvae were fed four MPDs for 75 d beginning 8 d after hatching(DAH): fish in these experimental diets were also concurrently fed live feeds until 45 DAH. ax is the normal procedure in commercial hatcheries. One MPD was a commercial diet (CD) of marine fish in which crude protein rangedfrom 55.8% to 61.2% (dry weight basis: varied with pellet size): the threelaboratory-prepared diets based on Japanese Rounder muscle contained either 40% (D-40), 50% (D-50), or 60% (D-60) crude protein. At 83 DAH, body weights and lengths of fish fed diet D-60 were not significantly different from those fed diet CD. Fish fed diet CD had significantlygreater body weights and lengths than those fed diets D-40 and D-50. Percent survival and whole-body compositions of moisture, protein, and ash were not influenced by dietary treatments during the 75-d experimental period. Although whole-body fatty acid composition generally was not significantly different among diet treatments, fish fed diet CD had significantly greater alpha -linolenic acid (C18:3 omega3) by the end of the experiment. The results suggest that the optimum dietary protein level for maximum growth and survival of Japanese flounder larvae should be 60% or more. The experimentally developed MPD therefore shows potential utility, and additional nutritional research with Japanese flounder larvae is warranted.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/02/20 alle ore 22:17:26