TURKISH JOURNAL OF VETERINARY & ANIMAL SCIENCES, cilt.26, sa.6, ss.1213-1221, 2002 (SCI İndekslerine Giren Dergi)
Makale / Tam Makale
TURKISH JOURNAL OF VETERINARY & ANIMAL SCIENCES
A trivalent Escherichia coli vaccine (TECA) was prepared from serotypes O1, O2 and O78 and one series of TECA was combined with an inactivated Newcastle Disease vaccine. TECA and combined vaccine were experimentally investigated for immunogenic effects in pullets and hens.