Theses and Dissertations

Title: The effects of increased water hardness, source of fry and age at stocking on the survival of striped bass, Morone saxatilis (Walbaum), fry and effects of two feeding regimes and source of fingerlings on survival and production of advanced fingerling striped bass in ponds

Name: Reeves, William Charles

Degree: MS

Chair: Dr. E.W. Shell

Resides: FAA Library

University: Auburn

Location: Auburn, Alabama

Date: 1972

Pages: 58

Keywords: Water Hardness,Source of Fry,Age at Stocking,Survival,Striped Bass,Fry,Feeding Regimes,Source of Fingerlings,Survival,Advanced Fingerlings,Ponds.


Research on extensive culture of fry and production of advanced fingerling striped bass was conducted at the Auburn University Fisheries Research Unit from April 6, 1971, to January 13, 1972. Investigation in extensive culture were conducted to determine the effect of increased water hardness, source of fry and immediate versus delayed stocking on survival of striped bass fry. Twelve 0.04-hectare earthen ponds were used. Striped bass fry from females from two sources (Cooper River, South Carolina and Savannah River, Georgia) were stocked immediately after receiving them from the hatchery or after they began feeding. Stocking rates varied from 146,000 to 534,000 fry per hectare. There was no difference in survival between sources of fry. Delayed stocking increased the survival rate of striped bass once they were stocked in the ponds: however, many fry from each source died in holding prior to stocking in the ponds. Increasing the water hardness did not increase the survival of striped bass. On the contrary, survival of striped bass in soft water ponds was higher than the survival in hard water ponds. Research on the production of advanced fingerling striped bass investigated the effects of source of fingerlings and feeding regime on production and survival of striped bass advanced fingerlings. Fingerlings reared at this station were obtained as fry from the Cooper River, South Carolina and the Savannah River, Georgia. Two feeding regimes were compared. Twelve 0.04-hectare ponds were stocked with 32,500 fish per hectare (13,000/A). There was no difference in survival or production between feeding regimes. Survival and production were significantly different between sources. The Cooper River strain of striped bass had a higher survival and outproduced the striped bass from the Savannah River. Factors affecting survival and production are discussed.

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