2019
DOI: 10.1002/naaq.10083
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Copper Sulfate Pretreatment for Snail Control Reduces Channel Catfish Fry Survival

Abstract: Channel Catfish Ictalurus punctatus fry farmers are interested in treating ponds to prevent trematode infections. Control strategies rely on chemical treatments to reduce snail populations and break the trematode life cycle. On a commercial catfish fingerling operation, we evaluated water quality, zooplankton, phytoplankton, and fish production in catfish nursery ponds treated with 1.02‐mg/L Cu 21 d before fry stocking. These variables were also evaluated in controlled experimental ponds treated with 1.27‐mg/L… Show more

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“…While using Cu for off‐flavor control is safe in food fish production systems, the safety of weekly Cu applications in catfish nursery ponds may be problematic (Mischke et al. 2019). Regardless, these results are promising, suggesting that low‐level Cu applications have the potential to significantly reduce snail populations in commercial catfish ponds.…”
Section: Discussionmentioning
confidence: 99%
“…While using Cu for off‐flavor control is safe in food fish production systems, the safety of weekly Cu applications in catfish nursery ponds may be problematic (Mischke et al. 2019). Regardless, these results are promising, suggesting that low‐level Cu applications have the potential to significantly reduce snail populations in commercial catfish ponds.…”
Section: Discussionmentioning
confidence: 99%