Blood formulation in calves during consumption of a food with sheep-lice contamination

The author analyzed the blood formulation and erythrocytogramm in 5-6 month-old calves which were a green mass of esparcet with sheep-lice (Cynoglossum officinale) contamination feeder during 1 and 7 weeks. It was shown, that decrease of blood hematocrit depends on duration of that feeding. The reduction of normocytes level due to the increase of microcytes level was revealed, that is connected with an effect of sheep-lice substances on erythropoiesis. This influence of sheep-lice plants must be take into consideration during animals treatment at the poisoning by this plant.