整合分析层次流程和加权目标编程来定义经济特征和共识 俄罗斯鱼 (Acipenser gueldenstaedtii) 想要的遗传收益 繁殖目标
Mina Rahbar1, Roghieh Safari1, Carlos I Perez-Rostro2
1Department of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran.
概括
这项研究使用了农民的意见来设定俄罗斯的繁殖目标,优先考虑像鱼重量和繁殖物体体重这样的特征,以实现伊朗可持续水产养殖.
科学领域:
- 水产养殖和渔业科学 水产养殖和渔业科学
- 动物育种与遗传学
- 农业经济学 农业经济学
背景情况:
- 俄罗斯鱼 (Acipenser gueldenstaedtii) 在伊朗的水产养殖在定义明确的繁殖目标方面面临挑战.
- 有限的经济数据阻碍了传统的育种目标设定.
研究的目的:
- 通过参与式方法确定俄罗斯的关键繁殖目标.
- 根据农民的共识,为经济重要特征定义所需的遗传收益.
- 建立适合伊朗水产养殖的可持续育种战略.
主要方法:
- 分发给俄罗斯养殖者在伊朗的结构化问卷.
- 使用农场管理信息对13个特征进行优先排序.
- 分析层次过程 (AHP) 用于对对的特征比较.
- 权重目标编程 (WGP) 模型用于计算社会和共识偏好.
- 针对WGP模型的LINGO软件实现.
主要成果:
- 最重要的农民优先考虑的特征:卵巢脂肪叶重量 (OFW),鱼总重量 (TCW),繁殖群体重 (BWB),幼虫化时的身体面积 (LBA) 和黄囊面积 (YSA).
- 为每个特征确定共识偏好值.
- 对于TCW (1.39%) 确定了最高的理想遗传收益,对于YSA (0.34%) 确定了最低的遗传收益.
- 在商业产品和水温类别之间发现的偏好分歧最大.
结论:
- 参与式方法有效地定义了鱼水产养殖中的遗传优先级.
- AHP和WGP促进了不同农民团体之间建立共识.
- 这种方法为数据有限的环境中可持续的俄罗斯鱼繁殖计划提供了框架.
- 农民驱动的育种目标提高了基因改进策略的相关性和采用.
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