Effects of hydrogen peroxide on fungal disinfection, hatch rate and larval deformities of rainbow trout (Oncorhynchus mykiss)

Document Type : Research Paper

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Abstract

The hydrogen peroxide in concentrations of 500, 750 and 1000 mu l/l, malachite green with usual concentration (1.5mg/l) and natural control treatments were examined to evaluate the antifungal effects of the chemicals on Rainbow Trout eggs. Hydrogen peroxide and malachite green treatments were performed after 48 hours after fertilization in every other day, until 4 days before hatch, each time for 15 minutes. During experiments, water parameters were measured which were 8.05~c0.55mg/l for dissolved oxygen, 8.8~c2.2 degree C for temperature, 7.9~c0.05 for pH, 132~c20mg/l for total hardness, and E.C was 336~c24 mu s/cm. The fungal infection was minimal in malachite green treatment and was significantly different with other treatments (P0.05). No significant difference in deformities caused by the treatments were observed (P>0.05)......
Iranian Scientific Fisheries Journal
Volume 16, Issue 4
January and February 2018
Pages 163-168

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