TY  - GEN
AU  - Tsonev,Ts
AU  - Nikolova,M
AU  - Mentov,V
AU  - Kikidakis,S
TI  - [Effectiveness of Deptavac HVT vaccine on broiler parents during the egg-laying period]
SN  - 0324-1068
PY  - 1976///1101
KW  - Age Factors
KW  - Animals
KW  - Avian Leukosis
KW  - mortality
KW  - Bulgaria
KW  - Chickens
KW  - immunology
KW  - Drug Evaluation
KW  - veterinary
KW  - Female
KW  - Marek Disease
KW  - Oviposition
KW  - Vaccination
KW  - Viral Vaccines
KW  - administration & dosage
N1  - Publication Type: English Abstract; Journal Article
ER  -