共 50 条
- [1] NEWCASTLE-DISEASE - FIELD VACCINATIONS AND IMMUNITY IN BROILERS VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT, 1980, 49 (02): : 86 - 93
- [3] INFECTIOUS-BRONCHITIS - FIELD VACCINATIONS AND IMMUNITY IN LAYING HENS VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT, 1979, 48 (04): : 315 - 320
- [5] INFLUENCE OF NEWCASTLE-DISEASE VACCINATION AT MATURITY ON PRODUCTIVITY OF LAYING PRODUCTIVITY HENS AND ON ANTIBODY ARCHIV FUR GEFLUGELKUNDE, 1982, 46 (06): : 255 - 262