Korean Journal of Veterinary Research 1962;2(1):27-36.
A STUDY ON NEWCASTLE DISEASE VACCINATION: The Immunological Response to Inactivated and Attenuated Virus Vaccines
Gill Taik Chung
College of Veterinary Medicine, Seoul National University
Newcastle병(病)의 예방접종(豫防接種)에 관한 연구(硏究); 사독(死毒)백신 및 감독(減毒)된 생독(生毒)백신에 대한 면역학적(免疫學的) 반응(反應)
서울대학교 수의과대학 미생물학교실
Immune response to two methods of Newcastle disease virus vaccine, one inactivated and the other attenuated was observed and the data presented. (1) Administration of inactivated virus vaccine in an amount of 1.0 ml. by intramuscular route gave an appreciable immunity to Newcastle disease for a period of at least three-and-half months. (2) The chickens given attenuated virus vaccine in the drinking water produced satisfactory immunity as manifested by the fact that immunized birds showed resistance when challenged 105 days after the vaccination and maintained high degree of HI titer for a period of 75 days. (3) Vaccination with the attenuated virus vaccine in drinking water is very simple and time saving in procedure, although the duration of immunity seems to be slightly shorter than that proced by inactivated virus vaccine. The author wishes to express his appreciation, to Drs. Kyu Myung Lee, Chang Koo Lee, and Ryong Sook Kee of their suggestions and help. The author is also indebted to Dr. Chang Hi Lee, Director of Anyang Veterinary Laboratory, who allowed the use of the facilities of the laboratory, whitout which this experiment could not have been undertaken.
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