For citations:
Novikova O., Pavlova M., Kryukova V. Vaccine against colibacteriosis of birds and the prevetnive method of colibacillosis of early age chickens. International Journal of Veterinary Medicine. 2018;(4):23-27. (In Russ.) https://doi.org/10.17238/issn2072-2419.2018.4.23