Publications

Adult American shad Alosa sapidissima were sampled with vertical gill nets during the 1986 and 1987 spawning and postspawning migrations in the Connecticut River. Most (83%) were caught in the lower half of the water column, but not on the river bottom. The vertical distributions of gravid and spent fish were similar for both males and females. American shad showed no diel, seasonal, or yearly cha

A cell line from rainbow trout (Oncorhynchus mykiss) with phagocytic-like characteristics was established. First we found that it was necessary to inject the fish with antibiotics (penicillinstreptomycin) in order to clear tissue of bacterial contamination. Two days later, the spleen was excised and minced with scissors in MEM10. The large number of erythrocytes in the suspension were removed by l

1. Four salmonid and four cool-water fish species were tested to determine their ability to moisturize their digesta.2. After the fish were fed, they were sacrificed, the gut contents were removed and water content was determined.3. The digesta of the salmonids contained the least water (63–72%) and those of largemouth bass the most (78%).4. We conclude that there are distinct and significant diff

A study was conducted to determine the value of triticale (a hybrid between rye and wheat) as a substitute for wheat middlings in the diet of Atlantic salmon (Salmo salar). Data on growth and carcass composition of fish fed the experimental diets containing triticale were comparable to those of fish fed the control diet with wheat middlings. No differences in diet acceptability were apparent when

In a 12 week experiment, lake trout (Salvelinus namaycush) were fed diets in which 50% of the nitrogen was provided by one of six preparations of Saccharomyces yeast. Fish fed baker's yeast with disrupted cell walls grew at a rate equal to that of fish fed the control diet and faster than fish fed intact yeast cells. Fish fed a diet containing disrupted yeast cells previously washed in a saline so

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Rainbow trout Oncorhynchus mykiss (formerly Salmo gairdneri) and lake trout Salvelinus namaycush preserved by immersion in Bouin's solution at 48°C became severely deformed due to muscle contraction. This was reflected in tissue changes, indicating that this technique induces undesirable artifacts that are likely to interfere with histological examination.

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