定西市虹鳟的生物学特性及人工养殖技术

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中图分类号：S965.122 文献标志码：A 文章编号：1004-6755（2026)04-0056-03

DOI:10.3969/j.issn.1004-6755.2026.04.017

Biological characteristics and artificial cultivation techniques of Oncorhynchus mykiss in Dingxi City

YAN Wenmin

(Agricultural Comprehensive Service Center of Wenfeng Town，Longxi County，Dingxi 748ooo，China)

Abstract:To advance the standardized and sustainable development of Oncorhynchus mykiss farming in Dingxi City and address challenges such as fragmented breeding techniques and non一 standardized management practices， this study focuses on artificial Oncorhynchus mykiss cultivation. Through a combination of literature review and field research，it systematically examines the current status of Oncorhynchus mykiss farming in Dingxi， elucidates their biological characteristics，and identifies key technologies for artificial cultivation. The research establishes a tailored technical framework for Oncorh ynchus mykiss farming in Dingxi， providing scientific and practical guidance for local farmers. This initiative holds significant importance for enhancing farming efciency and promoting the healthy development of the regional cold-water fish industry.

Key Words:Oncorhynchus mykiss； biological characteristics;artificial aquaculture; technical points

虹（Oncorhynchusmykiss）是一种珍贵的冷水性经济鱼类，其肉质鲜美、营养丰富、刺少肉多，生长速度快、饲料转化率高，是四大优良淡水养殖品种之一。（剩余4914字）