Journal
AQUACULTURE NUTRITION
Volume 26, Issue 2, Pages 490-501Publisher
WILEY-HINDAWI
DOI: 10.1111/anu.13011
Keywords
anchovy meal replacement; apparent digestibility coefficients; growth trial; hydrolysed salmon meal; Litopenaeus vannamei; salmon meal
Categories
Funding
- Alabama Agricultural Experiment Station
- National Institute of Food and Agriculture [ALA016-08027]
- U.S. Department of Agriculture
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A series of trials were conducted with Pacific white shrimp Litopenaeus vannamei, to evaluate the efficiency of two salmon meals as compared to anchovy meal. The basal diet contained 200 g/kg anchovy meal, which was systematically replaced (0%, 50%, 75% and 100%) with salmon meal on an isonitrogenous basis. Another two diets were formulated with a hydrolysed salmon meal to replace 50% and 100% anchovy meal. Each diet was randomly fed to four replicate groups of 25 and 30 shrimp per tank in clear (indoor) and green (outdoor) water trials, respectively. The results showed that growth performance and feed conversion ratio were not statistically different when salmon meal replaced anchovy meal in both trials. However, when hydrolysed salmon meal was used to replace 100% of the anchovy meal, growth performance of the shrimp significantly decreased. The four kinds of fish meal (anchovy, salmon by-product meals and menhaden) were evaluated in an ingredient digestibility trial using the 70:30 replacement technique. In general, dry matter, energy, protein and individual amino acids digestibility of salmon meal were significantly higher than those of menhaden and anchovy meal. Results of this study demonstrated that salmon meals are a good protein sources which can replace anchovy meal.
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