Abstract: Methods and formulations are described for improving health and survival in animals suffering from heaves, encompassing the administration of the optically pure R(?)-isomer of albuterol, while minimizing or eliminating unwanted activities of the corresponding S(+)-isomer of albuterol. The invention is also directed to favorable oral administration of R(?)-albuterol to animals and to food compositions for animals suffering from heaves, comprising the optically active adrenergic beta-receptor agonist R(?)-albuterol.