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Using whole‐body amino acid patterns and quantitative requirements to rapidly develop diets for new species such as striped bass ( Morone saxatilis )

Using whole‐body amino acid patterns and quantitative requirements to rapidly develop diets for... By P. B. BROWN Purdue University, Department of Forestry and Natural Resources, West Lafayette, IN 47907-llfi9, USA Introduction Results of nutritional studies with established aquacultural species have shown that the A/E ratio has merit as an initial step in dietary formulation and can be closely correlated to quantitative requirements (ARAI 1981; OGATA al. 1983; WILSON POE 1985). However, et and this information alone provides only the relative ratio of essential amino acids, not quantitative values that could be used in dietary formulation. We have established a series of studies designed to rapidly develop diets for new species. The approach begins with an initial identification of appropriate experimental diets, then quantitatively determines the dietary requirement for a key essential amino acid. Using whole-body essential amino acid concentrations and the calculated A/E ratios, quantitative concentrations of other essential amino acids can be predicted. General experimental setup Juvenile fish (initial weights 3-11 g) are stocked in glass aquaria (40 or 1201). Triplicate groups of 10-15 fish/aquarium are fed their respective diet for 8-14 weeks. Feed rate is restricted and maintained at the same rate throughout the study period. Feed allotment was adjusted every 2 weeks after weighing. All fish were provided http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Ichthyology Wiley

Using whole‐body amino acid patterns and quantitative requirements to rapidly develop diets for new species such as striped bass ( Morone saxatilis )

Journal of Applied Ichthyology , Volume 11 (3‐4) – Dec 1, 1995

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References (11)

Publisher
Wiley
Copyright
Copyright © 1995 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0175-8659
eISSN
1439-0426
DOI
10.1111/j.1439-0426.1995.tb00037.x
Publisher site
See Article on Publisher Site

Abstract

By P. B. BROWN Purdue University, Department of Forestry and Natural Resources, West Lafayette, IN 47907-llfi9, USA Introduction Results of nutritional studies with established aquacultural species have shown that the A/E ratio has merit as an initial step in dietary formulation and can be closely correlated to quantitative requirements (ARAI 1981; OGATA al. 1983; WILSON POE 1985). However, et and this information alone provides only the relative ratio of essential amino acids, not quantitative values that could be used in dietary formulation. We have established a series of studies designed to rapidly develop diets for new species. The approach begins with an initial identification of appropriate experimental diets, then quantitatively determines the dietary requirement for a key essential amino acid. Using whole-body essential amino acid concentrations and the calculated A/E ratios, quantitative concentrations of other essential amino acids can be predicted. General experimental setup Juvenile fish (initial weights 3-11 g) are stocked in glass aquaria (40 or 1201). Triplicate groups of 10-15 fish/aquarium are fed their respective diet for 8-14 weeks. Feed rate is restricted and maintained at the same rate throughout the study period. Feed allotment was adjusted every 2 weeks after weighing. All fish were provided

Journal

Journal of Applied IchthyologyWiley

Published: Dec 1, 1995

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