Improvement of specific prophylaxis of colibacillosis in calves using a bivalent vaccine and hyperimmune serum produced on the basis of attenuated adhesive strains of E. coli
Chulkov, Nikolai Vladimirovich, 2004, Candidate of Sciences dissertation
Maloshevich, Vasily Elevich · 2005 · Candidate of Sciences
16.00.03
Improvement of specific prophylaxis of colibacillosis in calves using a bivalent vaccine and hyperimmune serum produced on the basis of attenuated adhesive strains of E. coli — Chulkov, Nikolai Vladimirovich — 2004 — Russian Dissertation Library