Absence influence gastrolits on change of a rhythm of reduction of muscular department of a stomach of hens at forages of a various consistence

Work is devoted presence or absence influence gastrolits on reductions of muscular department of a stomach of hens, with application of forages of a various consistence (grain, vegetative), a forage with presence gastrolits and without, depending on requirement of quantity of a forage of weight of a body of a hen necessary for maintenance taking into account presence or absence gastrolits.