Mammalian stress hormones in saliva and rumen fluid affect rumen microbial fermentation, nutrient digestibility, and gas production in vitro. - Samuelson KL; Strenkert LL; Salazar AL; Alford JB; Oosthuysen ER; Lopez FA; Scholljegerdes EJ; Lodge-Ivey SL; Hallford DM; Löest CA (Journal of animal science, 2026)