PENENTUAN DOSIS LETAL (DL50) VIRUS NEWCASTLE DISEASE ISOLAT ND.MHW/SLTG/2010 PADA AYAM BROILER STRAIN COBB UMUR 20 HARI
This study aims to determine Lethal dose (LD50) of Newcastle Disease virus in broiler. Cases of Newcastle disease (ND) often occur in broiler farmhouses even though vaccination has been given routinely. Therefore ND vaccine has always been considered to be challenged before using in farmhouses. Fort...
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| Format: | Thesis |
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[Yogyakarta] : Universitas Gadjah Mada
2013
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| Summary: | This study aims to determine Lethal dose (LD50) of Newcastle Disease
virus in broiler. Cases of Newcastle disease (ND) often occur in broiler
farmhouses even though vaccination has been given routinely. Therefore ND
vaccine has always been considered to be challenged before using in farmhouses.
Forty five unvaccinated broilers are being taken care of since 17th days age then
divided into 9 groups |
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