Vaccination of Chicks with an Experimental Oil-emulsion Vaccine against Infectious Bursal Disease Virus
Î II prell.:nt against reecnt virulent strains or in/ectious bursal disease virus (IBDY), a local isolaLe of the virus was propagated in bursal tissue, l(lfIllali/.ed and used I(lr vaccine production. An experimental vaccine adjll\anted hy oil ISA-70 was prepared and compared with a commercial IBDY-NDY inactivatcd vaccine. A single injection or the two vaccines proteeted chickens against mortality hut the oil adjuvanted bursal derived vaccine conli:rred a higher percent or bursal protection.
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