Abstract
ABSTRACTThe present study was designed to measure survival and growth of brown shrimp in ponds receiving a continuous flow of Galveston Bay water from the heated effluent of an electric power plant. Eleven 0.1‐ha ponds were stocked with 5,000 postlarval brown shrimp (Penaeus aztecus) each. Five ponds were stocked in April and six in July, 1972. Our results were similar to those obtained in nonflowing ponds in that shrimp growth was slowed as mean length approached 100 mm and failure to control predation and competition markedly reduced yield. Nevertheless, our results show improved brown shrimp yields as compared to those reported for non‐flowing ponds. Where predation and competition were controlled and supplemental food was provided, survival was 58–97%, growth was 1.2‐1.4 mm per day, and yields were 318–596 kg per ha for periods of 10–12 weeks.
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