Field Trial of a Thermostable Peste des petits ruminants (PPR) Vaccine in a Semi-Arid Zone of Nigeria

The field trial of a candidate thermostable Peste des petits ruminants (PPR) vaccine was carried out in flocks of sheep and goats under the extensive system of management. The immune response of vaccinated animals was determined using the neutralisation test to detect PPR virus specific antibody. Vaccinated animals seroconverted and a four-fold or more rise in antibody titre were observed between pre-vaccination and post-vaccination antibodies....