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Titolo:
APPARENT AVAILABILITIES OF AMINO-ACIDS AND MINERALS FROM SEVERAL PROTEIN-SOURCES FOR FINGERLING RAINBOW-TROUT
Autore:
YAMAMOTO T; IKEDA K; UNUMA T; AKIYAMA T;
Indirizzi:
NATL RES INST AQUACULTURE,INLAND STN,NUTR SECT TAMAKI MIE 51904 JAPAN NATL RES INST AQUACULTURE,COASTAL STN,PHARMACOL SECT NANSEI MIE 51601JAPAN
Titolo Testata:
Fisheries science
fascicolo: 6, volume: 63, anno: 1997,
pagine: 995 - 1001
SICI:
0919-9268(1997)63:6<995:AAOAAM>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
COMMON FEED INGREDIENTS; SALMON SALMO-SALAR; FISH-MEAL; TRICALCIUM PHOSPHATE; CHANNEL CATFISH; SOYBEAN-MEAL; ONCORHYNCHUS-MYKISS; TRUE AVAILABILITY; DIETS; ZINC;
Keywords:
AVAILABILITY; AMINO ACID; MINERAL; ALTERNATIVE PROTEIN SOURCES; ONCORHYNCHUS MYKISS;
Tipo documento:
Article
Natura:
Periodico
Citazioni:
38
Recensione:
Indirizzi per estratti:
Citazione:
T. Yamamoto et al., "APPARENT AVAILABILITIES OF AMINO-ACIDS AND MINERALS FROM SEVERAL PROTEIN-SOURCES FOR FINGERLING RAINBOW-TROUT", Fisheries science, 63(6), 1997, pp. 995-1001

Abstract

Apparent availabilities of amino acids and minerals from white fish meal (FM), defatted soybean meal (SBM), malt protein flour (MPF), and corn gluten meal (CGM) were determined for fingerling rainbow trout Oncorhynchus mykiss. Groups of forty fish (mean weight; 13 g) were each allotted to one of six round tanks for collecting feces. A test diet containing one of the protein sources at approximately 35% crude proteinlevel was fed to duplicate groups at 15 degrees C, and the feces werecollected. Availability was determined by an indirect method using chromic oxide. Apparent protein digestibility of CGM was the highest (96%), with FM and SBM being slightly lower (94%), and the lowest was MPF(86%). Apparent availabilities of individual amino acids within each protein source were similar and almost approximated to the protein digestibility value. Apparent availabilities of phosphorus from FM and MPF per se were higher than those from SBM and CGM. The copper and zinc availabilities for SBM showed the highest values. These results suggest that the apparent protein digestibility value is indicative of the amino acid availability from a protein source with a high protein digestibility such as FM, SBM, and CGM in fingerling rainbow trout. On the contrary, individual mineral availability values should be assessed toformulate efficient and economical fish feeds.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/09/20 alle ore 16:34:49