For citations:

Miftakhutdinov A.V., Dikhtyaruk I.N. The influence of the anti-stress pharmacological complex “SPAO” on the effectiveness of preventive immunization of chickens against Newcastle disease. Agrarian science. 2020;3(3):13-16. (In Russ.) https://doi.org/10.32634/0869-8155-2020-336-3-13-16