Ensaio que explora os projetos, sonhos e pesadelos que vão dar forma ao século XXI, da
erradicação da fome ao fim da guerra, passando pela vida artificial. Chegámos ao próximo …

Variation in the early environment has the potential to permanently alter offspring behavior
and development. We have previously shown that naturally occurring variation in biparental …

Simple Summary Chickens raised to lay eggs are housed from hatch in groups of animals of
the same age, and without maternal care from a broody hen. There are several hybrid lines …

Simple Summary Chicks require heat to maintain body temperature during the first weeks
after hatch. Heat is normally provided by use of heating lamps or whole-house heating, but …

Early maternal deprivation impairs the behavioral development of young individuals.
Recently, strong differences between mothered and maternally deprived chicks have been …

Highlights•We investigated the existence of maternal styles in Japanese quail.•We analysed
the relations between these styles and temperaments of mothers and chicks.•We …

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 …

The Yoruba (YRE) and Fulani (FLE) are the two notable indigenous chicken ecotypes in
Nigeria. They exhibit broodiness and post-hatch care of their chicks. Studies on welfare …

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 …