What question did this study set out to answer?

This study aims to investigate how varying temperatures and dissolved oxygen levels affect the concentrations of Edwardsiella ictaluri in channel catfish.

September 1, 1992Journal of Aquatic Animal Health

Effect of Temperature and Dissolved Oxygen Concentration onEdwardsiella ictaluriin Experimentally Infected Channel Catfish

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Authors

TMThobekile N. Mqolomba JPJ. A. PlumbAuburn University

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Implication

Randomized trial examines pathogen effects in channel catfish under different temperature and oxygen levels, suggesting management practices for fish health.

Key Points

This study aims to investigate how varying temperatures and dissolved oxygen levels affect the concentrations of Edwardsiella ictaluri in channel catfish.
Channel catfish were infected with Edwardsiella ictaluri via immersion exposure.
Fish were exposed to three environmental regimes: 25°C with aeration, 25°C without aeration, and variable temperature (18–23°C) without aeration.
Tissues were assayed for pathogen concentrations at 29 and 52 days post-infection.
Pathogen concentrations were significantly higher (P < 0.05) in all tissues at 52 days post-infection compared to 29 days.
Fish with 6.4 mg/L oxygen and 25°C had significantly lower (P < 0.01) E. ictaluri concentrations than those in lower oxygen conditions (2.6 or 1.8 mg/L).
Fish in low oxygen and variable temperatures had higher pathogen levels compared to those in optimal conditions.

Cite This Study

Mqolomba et al. (1992) studied this question.

synapsesocial.com/papers/6a23bf3c9e1c90a91c092ef3 https://doi.org/10.1577/1548-8667(1992)004<0215:eotado>2.3.co;2

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Implication

Randomized trial examines pathogen effects in channel catfish under different temperature and oxygen levels, suggesting management practices for fish health.

Effect of Temperature and Dissolved Oxygen Concentration onEdwardsiella ictaluriin Experimentally Infected Channel Catfish

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Implication

Key Points

Cite This Study

Effect of Temperature and Dissolved Oxygen Concentration onEdwardsiella ictaluriin Experimentally Infected Channel Catfish

Discussion

Member takes

Implication

Key Points

Cite This Study

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