HYDROPERICARDIUM HEPATITIS SYNDROME AND VACCINATION WITH INFECTED LIVER EXTRACT
Emad J. Khamas, Laith M. Hana
The Iraqi Journal of Veterinary Medicine · 2000
doi:10.30539/ijvm.v24i2.1167 (opens in a new tab)
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Abstract
The experiment was carried out to evaluate a killed vaccine of HHS prepared from liver extract treated with (0.1%) formalin . The vaccine was injected Sc. Or. im. At (12) or (12,20) days old broilers . At age of 25 days, chicks were challenged with HHS liver extract . The vaccinated chicks showed full protection with no clinical signs or pathological changes .
Abstract licence: CC BY
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