SALAM, C text Bogor BBPMSOH 1999 vol.6 p.16-19 id 3 tables; 7 ref. Summary (En) In Newcastle Desease (ND) vaccine quality control, Spesific pathogen free (SPF) chicken egg is exclusively used for the virus content test. The price of SPF chicken egg is relatively expensive compare to which of quail egg. Therefore to lower the cost of ND Vaccine quality control, preliminary study of virus content test using quail egg has been carried out. Data from this study indicate that there was no difference between both kind of eggs in the virus content result (P Animal Diseases -- Spesific Pathogen Free State -- Eggs -- Newcastle Disease -- Vaccines -- HAEMAGGLUTINATION TEST 0852-9612 210323 20210323091256 INLIS000000000000086 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)