REQUIREMENT FOR PHENYLALANINE AND REPLACEMENT VALUE OF TYROSINE FOR PHENYLALANINE IN RAINBOW-TROUT (ONCORHYNCHUS-MYKISS)

被引:20
作者
KIM, KI [1 ]
机构
[1] UNIV WISCONSIN,DEPT FOOD SCI,AQUACULTURE PROGRAM,MADISON,WI 53706
关键词
D O I
10.1016/0044-8486(93)90477-G
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
The requirement for phenylalanine (Phe) and replacement value of tyrosine (Tyr) for Phe in fingerling rainbow trout were determined by feeding diets containing various levels of Phe and Tyr. Four tanks of 30 trout each were assigned per diet and fed 3 times daily to satiation at 15-degrees-C. With diets containing excess Tyr (1.33%) and 35% crude protein, weight gain of 13-g trout over a 6-week period increased linearly with increasing levels of Phe up to 0.75% of dry diet but was not different (P>0.05) at 0.75% and 1.75% Phe. Feed efficiency and nitrogen retention improved as Phe level in the diet increased up to 0.55%, but no significant effects were found at levels above 0.55%. Carcass protein content increased with Phe level up to 0.65% and fat content decreased concurrently. Increasing Tyr level up to 0.7% in a diet containing 0.6% Phe increased weight gain of 14-g trout over a 6-week period, but a further increase in Tyr level to 0.8% had no effect (P>0.05). Analysis of data using a broken-line model showed that the Phe requirement of fingerling rainbow trout is 0.7+/-0.05% (mean+/-s.e.) of dry diet or 2.0% of dietary protein, when a diet contains excess Tyr and 35% protein, and that the replacement value of Tyr for Phe is approximately 53% on a weight basis or 48% on a molar basis. Thus the total aromatic amino acid requirement is 1.5% of dry diet or 4.3% of dietary protein.
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页码:243 / 250
页数:8
相关论文
共 15 条
[1]   REQUIREMENTS FOR LYSINE AND ARGININE BY RAINBOW-TROUT (ONCORHYNCHUS-MYKISS) [J].
KIM, KI ;
KAYES, TB ;
AMUNDSON, CH .
AQUACULTURE, 1992, 106 (3-4) :333-344
[2]   DETERMINATION OF AMINO-ACID-REQUIREMENTS OF YOUNG-PIGS USING AN INDICATOR AMINO-ACID [J].
KIM, KI ;
MCMILLAN, I ;
BAYLEY, HS .
BRITISH JOURNAL OF NUTRITION, 1983, 50 (02) :369-382
[3]   EFFECTS OF DIETARY TRYPTOPHAN LEVELS ON GROWTH, FEED-GAIN, CARCASS COMPOSITION AND LIVER GLUTAMATE-DEHYDROGENASE ACTIVITY IN RAINBOW-TROUT (SALMO-GAIRDNERI) [J].
KIM, KI ;
KAYES, TB ;
AMUNDSON, CH .
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY B-BIOCHEMISTRY & MOLECULAR BIOLOGY, 1987, 88 (03) :737-741
[4]   REQUIREMENTS FOR SULFUR AMINO-ACIDS AND UTILIZATION OF D-METHIONINE BY RAINBOW-TROUT (ONCORHYNCHUS-MYKISS) [J].
KIM, KI ;
KAYES, TB ;
AMUNDSON, CH .
AQUACULTURE, 1992, 101 (1-2) :95-103
[5]  
KIM KI, 1991, AQUACULTURE, V97, P57
[6]  
NOSE T, 1979, FINFISH NUTR FISHFEE, V1, P145
[7]  
OGINO C, 1980, B JPN SOC SCI FISH, V46, P171
[8]   HISTIDINE STATUS IN CHICK AS MEASURED BY GROWTH-RATE, PLASMA-FREE HISTIDINE AND BREAST MUSCLE CARNOSINE [J].
ROBBINS, KR ;
BAKER, DH ;
NORTON, HW .
JOURNAL OF NUTRITION, 1977, 107 (11) :2055-2061
[9]   TOTAL AROMATIC AMINO-ACID REQUIREMENT, PHENYLALANINE REQUIREMENT AND TYROSINE REPLACEMENT VALUE FOR FINGERLING CHANNEL CATFISH [J].
ROBINSON, EH ;
WILSON, RP ;
POE, WE .
JOURNAL OF NUTRITION, 1980, 110 (09) :1805-1812
[10]   AMINO-ACID REQUIREMENTS FOR GROWTH OF NILE TILAPIA [J].
SANTIAGO, CB ;
LOVELL, RT .
JOURNAL OF NUTRITION, 1988, 118 (12) :1540-1546