effect of soy-based diets on weight gain, shell hardness and flavor of the American lobster (Homarus americanus)

Harvested newly-shed American lobsters, Homarus amer-icanus, were placed in pounds for long-term storage to increase weight, muscle mass, and shell strength. In a 40-day feeding trial, lobsters were fed four different diets: cod fish racks and prepared diets of 100% soybean mix, soybean with 15% fla...

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Published inJournal of aquatic food product technology Vol. 8; no. 3; pp. 69 - 77
Main Authors Donahue, D.W, Bayer, R.C, Riley, J.G, Bushway, A.A, Brown, P.B, Hazen, R.A, Moore, K.E, DeBruyne, D.A
Format Journal Article
LanguageEnglish
Published Taylor & Francis Group 01.09.1999
Subjects
American lobster
body weight
crustaceans
feeding trials
feeds
flavor
hardness
Homarus americanus
liveweight gain
lobster culture
nutrient content
nutrition
protein
protein content
sensory evaluation
shell strength
shells
soy
soybean meal
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Summary:Harvested newly-shed American lobsters, Homarus amer-icanus, were placed in pounds for long-term storage to increase weight, muscle mass, and shell strength. In a 40-day feeding trial, lobsters were fed four different diets: cod fish racks and prepared diets of 100% soybean mix, soybean with 15% flax seed, and soybean with 15% fish meal. Following the feeding trial, lobsters were weighed, carapace samples were subjected to a compressive force test to measure shell strength and sensory evaluation was performed on the tail meat portions. There was a significant (P< 0.05) difference in weight gain and the compressive force tests yielded a correlation with feed type. Sensory evaluation on tail meats showed no significant differences (P> 0.05) among treatments and no off flavors.
Bibliography:ObjectType-Article-2
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ISSN:1049-8850
1547-0636
DOI:10.1300/J030v08n03_06