TY - BOOK AU - Palya,V. TI - Manual for the production of Marek's disease, Gumboro disease and inactivated Newcastle disease vaccines / (Acc: 149) SN - 9251029199 U1 - 636.508 PAL 20 PY - 1991/// CY - Rome PB - Food and Agriculture Organization of the United Nations KW - Newcastle disease vaccine KW - Marek's disease vaccine KW - Gumboro disease vaccine ER -