排序方式: 共有21条查询结果,搜索用时 3 毫秒
21.
Eduardo N Barata Peter C Hubbard Olinda G Almeida António Miranda Adelino VM Canário 《BMC biology》2007,5(1):54
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排序方式: 共有21条查询结果,搜索用时 3 毫秒
21.
Eduardo N Barata Peter C Hubbard Olinda G Almeida António Miranda Adelino VM Canário 《BMC biology》2007,5(1):54
BackgroundThe urine of freshwater fish species investigated so far acts as a vehicle for reproductive pheromones affecting the behaviour and physiology of the opposite sex. However, the role of urinary pheromones in intra-sexual competition has received less attention. This is particularly relevant in lek-breeding species, such as the Mozambique tilapia (Oreochromis mossambicus), where males establish dominance hierarchies and there is the possibility for chemical communication in the modulation of aggression among males. To investigate whether males use urine during aggressive interactions, we measured urination frequency of dye-injected males during paired interactions between size-matched males. Furthermore, we assessed urinary volume stored in the bladder of males in a stable social hierarchy and the olfactory potency of their urine by recording of the electro-olfactogram. 相似文献 |
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