Deficiency of stigmate minerals affects many metabolic processes and so may be manifested by different symptoms, such as poor growth and appetite, reproductive failures, impaired immune responses, and general ill-thrift. From the 1950s to the 1990s most stigmate mineral supplementation of animal diets was in the form of inorganic minerals, https://animalfeed46778.digiblogbox.com/61217201/détails-fiction-et-animal-feed