Изучили клиническое состояние овец, получавших разное количество зеленой массы сорго в фазе молочно-восковой спелости.By changing the metabolic products in the rumen digestion in rams feeding different amounts of sorghum grain established the absence of enzymatic explosion in the rumen, which is an indicator of low digestibility of sorghum grain. The probable cause of low digestibility of sorghum grain is considered.