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The Influence of Newcastle disease (ND) Active La Sota Strain and B1 Strain Vaccinations toward Antibody Titer of Broiler) a. Study Program of Veterinary Medicine, Faculty of Medicine, Hasanuddin University, Jl. Perintis Kemerdekaan Km. 10, Makassar, 90245, Indonesia Abstract Newcastle disease (ND) is a disease caused by the genus virus of Avian Paramyxovirus and it affects various types of poultry. Vaccination as a prevention attempt toward ND virus requires active and inactive vaccines. The purpose of this research is to determine the influence of ND active La Sota strain and B1 strain vaccinations toward antibody titer of the broiler. This research applies 54 samples of day old chicken (DOC) divided into three treatment categories. Vaccine administration is given for three-days-old samples by eye drops and blood samples from 7, 14, and 21-days-old samples obtained through vena brachialis. The result of the Hemagglutination Inhibition test analyzed using the Analysis of Variance (ANOVA) one-way method and continued by Least Significant Different (LSD) test if the calculated probability is (p< 0,05) while the data of immune presentation descriptively asserted in quantitative. The outcome of this research shows the vaccine administration for three-days-old sample grants protection of immune until 21-days-old by vaccine administration of ND active La Sota strain and 14-days-old with vaccine administration of ND active B1 strain. The vaccine administration of ND active La Sota has no significant effect on the vaccine administration of ND active B1 to antibody titer in broiler chickens. Keywords: Broiler, Newcastle disease (ND), La Sota strain vaccine, B1 strain vaccine, Hemaglutination (HA) test, Hemaglutination inhibition (HI) test Topic: Veterinary Animal Disease and Veterinary Public Health |
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