While it has been shown that epigenetics accounts for a portion of the variability of complex
traits linked to interactions with the environment, the real contribution of epigenetics to …

The excessive intensive production of poultry meat and egg caused significant changes in
poultry husbandry, behavior, and welfare. Therefore, animal welfare and behavior have …

Regular visual presence of humans is known to reduce chickens' human-generated stress
responses. Here we questioned whether, more than mere visual presence, human …

Compared to mammals and altricial birds, evaluations of differences related to precocial
birds' sex have often been limited to sexual behavior. Nevertheless, the extensive use of …

Mothers have a crucial influence on offspring development. Variations of maternal behaviour
can be due to numerous parameters, for instance costs are related to the size of a …

Our study investigated relationships between a precocial bird's fearfulness and maternal
care, and the implication of maternal care as a vector for non-genomic transmission of …

Highlights•Maternal care in Japanese quail counteracts prenatal stress effects.•Mothered
chicks have a lower level of emotional reactivity than nonmothered ones.•Maternal care's …

Beyond the genetic links between mother and young, prenatal effects experienced by
offspring can modulate their mother's behaviour and stress. Here we investigated the …

Adoption is an usual procedure to experiment non-genomic influences on young
development. However relatedness may be a variation factor of maternal behaviour who can …

Previous investigations reported that some traits of parental relationships, including pair-
bond duration or mate behavioural compatibility, influence subsequent offspring fitness by …