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Chief, Branch of Aquatic Animal Drug Approval Partnership

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From The Library

Columnaris disease (causative agent, Flavobacterium columnare) is an acute-to-chronic bacterial infection with a worldwide distribution capable of infecting most freshwater fishes (Noga 2000). The disease most commonly occurs as an external infection; however, it can also occur as a systemic...

The use of hormones to induce spawning in fish is critical to the success of many fisheries and aquaculture programs. A wide variety of programs are dependent upon hormone treatment to complete final gamete maturation and ensure successful spawning. Spawning is a stressful period for all fish...

In this bulletin, we summarize the results of a study conducted to demonstrate the effectiveness of CLT to control mortality in late fall Chinook Salmon (CS) Oncorhynchus tshawytscha fingerlings naturally infected with external columnaris disease. (i.e., 50-100 mg/L H2O2 diluted 2:3;...