Document Type : scientific research article
Authors
1 Graduate Master
2 gorgn university of agricultural sciences and natural resources
3 Gorgan University of Agricultural Sciences and Natural Resources
4 4. Associate Professor, Department of Aquatic Reproduction and Breeding, Faculty of Fisheries and Environment, University of Agricultural Sciences and Natural Resources, Gorgan, Iran
5 5. Associate Professor, Department of Aquatic Reproduction and Breeding, Faculty of Fisheries and Environment, University of Agricultural Sciences and Natural Resources, Gorgan, Iran.
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