Влияние соединения «Грамо» в составе образцов инактивированной вакцины на эффективность иммунизации птицы против ньюкаслской болезни

The effect of the test compound «Gramo» studied on the effectiveness of vaccination of poultry against Newcastle disease. On the basis of these studies we can conclude that samples of vaccine, produced on the basis of the tested compound «Gramo» are harmless and have an expressed antigenic activity.