Freshwater Crayfish 3(1): 371-380 (1977)
PEER REVIEWED RESEARCH ARTICLE
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Oxygen tolerance of juvenile red swamp crayfish, Procambarus clarkii (Girard)
Two sizes of juvenile red swamp crayfish (Procambarus clarkii) were tested to determine the short term tolerance to abrupt changes in dissolved oxygen. Crayfish, 9-12 mm total length, were less tolerant to abrupt changes in oxygen than larger crayfish, 31-35 mm total length. The LC50 value for 96 hrs for 9-12 mm crayfish, was estimated to be between 0.75 ppm and 1.10 ppm oxygen, whereas 31-35 mm crayfish had an LC50 value for 96 hrs of 0.49 ppm oxygen. Crayfish, 31-35 mm, in ecdysis, appeared more susceptible to low oxygen than those in other stages of the molt cycle.
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Melancon Jr. E and Avault Jr. JW. (1977). Oxygen tolerance of juvenile red swamp crayfish, Procambarus clarkii (Girard). Freshwater Crayfish 3(1):371-380. doi: 10.5869/fc.1977.v3.371
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