Change of Elemental Composition in Muscular Tissue and Hair under Food Stress

1Orenburg State University, Russia, 460018, Orenburg, 13 Pobedy Pr. and All-Russian Research Institute of Beef Cattle Breeding, Russia, 460000, Orenburg, 29, 9 Yanvarya St.; 2Orenburg State Univeristy, Russia 460018, Orenburg, 29, 9 Yanvarya St. 3All-Russian Research Institute of Beef Cattle Breeding, Russia, 460000, Orenburg, 29, 9 Yanvarya St.; 4All-Russian Research Institute of Beef Cattle Breeding, Russia, 460000, Orenburg, 29, 9 Yanvarya St.; 5Orenburg State University, Russia, 460018, Orenburg 13 Pobedy Pr. and All-Russian Research Institute of Beef Cattle Breeding, Russia, 460000, Orenburg, 29, 9 Yanvarya St.;