Theses and Dissertations

Title: Investigations on the propagation of the striped bass, Morone saxatilis (Walbaum)

Name: Kelley, Jr John Richard

Degree: PhD

Chair: Dr. E. Wayne Shell

Resides: FAA Library

University: Auburn

Location: Auburn, Alabama

Date: 1969

Pages: 113

Keywords: Investigations,Propagation,Striped Bass.


Investigations of culture methods suitable for rearing striped bass were undertaken in 1966 and continued through 1969. The study was in two phases: (1) production of small fingerlings from fry, and (2) production of large fingerlings from small fingerling stocking. Small fingerling striped bass were successfully reared by stocking of fry in fertilized ponds, however, the survival rate ranged from 1.54-17.06-percent. The stocking of fry in hatching jars showed that the fry would actively feed on yeast, chinook salmon fry starter, and brine shrimp. Of all foods tested, brine shrimp were preferred. Large fingerling striped bass were reared in flowing water in troughs on commercial trout foods. Conversion of food into fish, ranged from 1.07 to 2.81, depending on which brand of feed was fed and the feeding rate. Striped bass were also successfully reared on commercial feeds in ponds. Columnaris disease was the primary factor affecting growth, conversion, and survival of striped bass in troughs and ponds. It was found that a 20 ppm concentration of Tetracycline hydrochloride in the water would control columnaris disease in troughs: however, the treatment was too expensive to use in ponds. The best growth of bass was in ponds with fathead minnows as forage. Results obtained in a 22-acre pond indicate that striped bass will grow from 0.5 gram to 400 grams in five months, provided sufficient forage is present. Bioassay tests demonstrated thatMS-222 (15ppm) or quinaldine (2ppm) can be safely used to transport striped bass. Salt was also found to aid in the transport of striped bass and to serve as a disease-control agent. Striped bass were found to be unaffected by concentrations of salt up to 35 o/oo. Microhematocrit values were determined for striped bass that were subjected to four treatments. The values ranged from 40 to 61 percent and could be correlated with the rate of growth of the bass. Hematocrit values were found to be depressed 12 to 15 percent in fish infected with columnaris disease.

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