Employing feed hygiene measures using chemical applications, like formaldehyde, essential oils or organic acids can also help. All those mitigants can be put into the feed or sprayed on in the feed ...

Most modern birds solved this issue by evolving shorter appendages to accompany their tertial feathers. But even though ...

A new Archaeopteryx fossil with soft tissue reveals flight features and offers fresh support for Darwin’s theory of evolution ...

appstate.edu Objective Limited data imply an inverse relationship between physical activity or fitness level and the rates of upper respiratory tract infection (URTI). The purpose of this study was to ...

2 The ideal study design would require measurement of lung function from birth until death at regular intervals in the same individuals. Such a study is logistically impractical, and even if it was ...

Frontiers requires authors to select the appropriate article type for their manuscript and to comply with the article type descriptions defined in the journal's 'Article types' page, which can be seen ...

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