Theses and Dissertations


Title: The effect of different feeding regimes on the growth of advanced fingerling striped bass, Morone saxatilis (Walbaum)

Name: Hall, Carl Stanley

Degree: MS

Chair: Dr. E. Wayne Shell

Resides: FAA Library

University: Auburn

Location: Auburn, Alabama

Date: 1973

Pages: 63

Keywords: Feeding Regimes,Growth,Advanced Fingerling Striped Bass,Morone saxatilis.

Abstract:

The effect of different feeding regimes on the growth of advanced fingerling striped bass was investigated at the Fisheries Research Unit at Auburn University during the summer and fall of 1969. The purpose of the experiment was to determine whether an increased number of feedings each day while keeping the total amount of feed given in a day constant would result in increased food utilization by the fish and possibly improve conversion rates and total production. Striped bass, Morone saxatilis (Walbaum), fingerlings were stocked in twelve 0.1-acre earthen ponds at a rate of 15,000 per acre. Fish in all ponds were fed Purina Trout Chow at the same rate per day for 163 days. Nielsen automatic fish feeders were programmed to feed according to four different regimes or at four different time intervals. Each interval was replicated in three ponds. Fish were fed at approximately two-hour intervals during daylight hours, at approximately two-hour intervals during the night, and at two or four-hour intervals twenty-four hours a day. High mortality due to "Columnaris" disease and failure of a large portion of the surviving fish to learn to feed on the artificial diet were unexpected variables in the experiment. Because of variation in growth and production in ponds treated alike, differences between treatments were not detected, or there was no detectable effect of the different feeding regimes on production. It was noted that striped bass seemed to feed well at night. It was also evident that automatic feeders are invaluable as labor-saving devices and probably will be considered a necessity in the future for the economical mass production of advanced fingerling striped bass.

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