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尼罗河鱼和金头鱼的饮食自我选择替代料

Rodrigo Mendes^1,2,3, Luís E C Conceição⁴, Jorge Dias⁴

¹Departamento de Fisiología, Facultad de Biología, Universidad de Murcia, 30003, Murcia, Spain. rodrigo.c.p@um.es.

Fish physiology and biochemistry

|July 10, 2024

概括

鱼类料开发正在将重点从生长转移到使用自选试验的鱼类偏好. 尼罗河鱼更喜欢一种新料 (ORG2),证明了这种方法对可持续水产养殖的价值.

科学领域:

水产养殖是水产养殖的一种方式.
动物行为动物行为
可持续的料发展

背景情况:

传统的鱼类料评估优先考虑生长,忽视了动物的视角.
目前的水产养殖实践面临着关于商业料配方的环境和伦理问题.

研究的目的:

研究尼罗河鱼 (Oreochromis niloticus) 和金头海 (Sparus aurata) 的养行为和料偏好.
评估自我选择试验在评估鱼类料接受度方面的有用性.
探索水产养殖料配方中的替代成分.

主要方法:

进行了一项自选试验,使用自食器为尼罗河鱼和金头海进行了自选试验.
鱼类提供了三种不同的料类型:一个控制 (PD) 和两个实验性饮食 (ORG1,ORG2) 与替代成分.
记录了每个物种的行为反应和料偏好.

主要成果:

尼罗河鱼表现出对ORG2饮食的显著偏好 (46.5%),受感官和摄入后因素的影响.
在测试的料选项中,头海没有表现出明显的偏好.
自选实验有效地揭示了特定物种的料偏好.

结论:

自选试验提供了一种有价值的方法,以了解鱼类的行为和偏好在料评估.
这种方法可以指导开发更可接受和潜在的可持续水产养殖料.
加入替代成分可以影响鱼的料选择.

关键词:

替代料替代料是一种替代料.动物行为动物行为鱼类生理学鱼类生理学吉尔特海头海 (Gilthead Seabream) 是一个海.尼罗河鱼是尼罗河鱼.自我选择的自我选择.

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