Sex hormone disruption may particularly affect breeding behavior.
Scientists say higher temperatures will lead to the feminisation of populations and affect breeding rates.
"A very late and cold winter will have affected breeding patterns.
Moreover, the difference between patents and PBR also affects breeding programmes.
Several factors that may affect four breeding parameters were studied, namely human presence, vegetation, relief, climatic factors, intra- and inter-specific relationships, diet, prey abundance, nest building, adult mortality and age of reproduction.
There is a lot of different stressors at play that may be affecting breeding wildlife".
In order to assist in the design of selective breeding strategies for mass spawners, barramundi (Lates calcarifer) was used as a model species to evaluate how family survival and growth under skewed contributions may affect the selection of breeding candidates at harvest.
Second, breeding experience may affect the use of aromatic plants by females.
As reported by Guatteo et al. (20 ), the time of vaccination before or during breeding may affect its effectiveness.
The fact that we did not find a noticeable difference between the RRS of hatchery-reared males and females suggests that captive breeding may affect males and females to a similar degree, as found by Araki et al. (2007b) but in contrast with Fleming et al. (2000), Williamson et al. (2010), and Thériault et al. (2011).
