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Optimum dietary protein level for growth of bighead carp (Aristichthys nobilis) fry in a static water system

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Date
1991
Author
Santiago, Corazon B.
Reyes, Ofelia S.
Page views
4,379
Subject
diet ASFA
feed efficiency ASFA
feeding experiments ASFA
growth ASFA
nutritional requirements ASFA
survival ASFA
Taxonomic term
Hypophthalmichthys nobilis GBIF
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Abstract
Isocalric diets (290 kcal digestible energy/100 g) with protein levels ranging from 20 to 50% in increments of 5% were fed to bighead carp fry (3.8±0.2 mg mean body weight and 9.8±0.1 mm total length) for 7 weeks. Growth in weight and length increased as the protein level of the diet increased from 20 to 30% and decreased as the protein level increased further. Although not significantly different (P>0.05) from those of fry fed the 25% or 35% protein diet, weight gain (250 mg) and increase in total length (15.7 mm) were highest for fry fed the 30% protein diet. Feed conversion ratio, protein efficiency ratio and survival rate did not clearly indicate the required protein level. The protein requirement was determined using a static-water culture system but assessment of the water quality failed to indicate an association between ammonia concentration and protein in the diet. Further research is necessary to determine why high levels of protein resulted in depressed growth.
URI
http://hdl.handle.net/10862/1354
Suggested Citation
Santiago, C. B., & Reyes, O. S. (1991). Optimum dietary protein level for growth of bighead carp (Aristichthys nobilis) fry in a static water system. Aquaculture, 93(2), 155-165. https://doi.org/10.1016/0044-8486(91)90214-R 
DOI
10.1016/0044-8486(91)90214-R
Type
Article
ISSN
0044-8486
Collections
  • Journal Articles [1163]


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