
TY  - JOUR
A1  - D St George, T 
A1  - Liefman, CE 
T1  - A Field Experiment to Assess the Role of Parainfluenza Type 3 Virus in Pneumonia in a Flock of Sheep in Victoria
JF  - Australian Journal of Biological Sciences
JO  - Aust. Jnl. Of Bio. Sci.
Y1  - 1972
VL  - 25
IS  - 2
SP  - 319
EP  - 326
KW  - 
UR  - https://doi.org/10.1071/BI9720319 
N2  - A flock of 33 lambs born to ewes with neutralizing antibody to parainfluenza type 3 (PI3) virus was run with a flock of approximately 150 other lambs and their mothers. When bled shortly after birth, lOO% of the 33 lambs had maternal anti-body to PI3 virus. Four months later, the proportion h!lod fallen to 22%, about which time a natural infection with PI3 virus occurred in the flock as judged by subsequent appearance in the sera of PI3 serum neutralizing antibody. 
ER  -

