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Effect of sea salt on the hatching of channel catfish eggs

Effect of sea salt on the hatching of channel catfish eggs

Journal of Aquatic Animal Health 5(3): 205-207

The potential of sea salt treatment, given as a continuous bath, for improving the hatching success of eggs of channel catfish Ictalurus punctatus was evaluated. Two- to three-day-old eggs were held in systems with recirculating water at salinities of 0-5 permill until hatching. The percent hatch of untreated eggs averaged 57.6%. Mean hatching success rate was 79.4% for eggs treated at salinities of 0.5-2.5 permill and 67.5% for those treated at a salinity of 5 permill . Total and unionized ammonia levels were reduced as the salinity increased.

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Accession: 002604256

Download citation: RISBibTeXText

DOI: 10.1577/1548-8667(1993)005<0205:EOSSOT>2.3.CO;2

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