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COMPARATIVE EFFICACY OF PESTE DES PETITS RUMINANTS (PPR) VACCINES AVAILABLE IN PAKISTAN IN SHEEP AND GOATS
2009
Pakistan Veterinary Journal
The efficiency of Peste des petits ruminants virus (PPRV) vaccines available in Pakistan was evaluated on the basis of the humoral immune response measured by haemagglutination inhibition (HI) and agar gel immunodiffusion (AGID) tests in sheep (n=60) and goats (n=60). The effect of storage temperature on HA activity of vaccine virus was measured by holding the vaccine at -20, 4, 27 and 40°C for 24 hours. The titer of freshly prepared vaccine was 1:16 and remained unchanged for 24 hours in the
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