GROWOUT PERFORMANCE FOLLOWING VACCINATION WITH INOVOCOX™
AS COMPARED TO SALINOMYCIN
A. Martin, V. W. Doelling, L. M. Charniga,
G. F. Mathis2, C. Heggen-Peay, and R. M. Poston
1Embrex Inc., P. O. Box 13989, Research Triangle Park,
NC 27709
2Southern Poultry Research, Athens, GA 30607
amartin@embrex.com
Floor
pen studies were conducted to assess the performance
of broilers after in ovo vaccination with Inovocox™,
a live oocyst vaccine containing Eimeria acervulina,
E. tenella, and two strains of E. maxima. Broiler
eggs were vaccinated with Inovocox in ovo or sham
injected with diluent. Chicks were vent sexed and
25 males and 25 females placed in floor pens at 0.75
sq. ft. per bird. Vaccinated chicks were fed a diet
without anticoccidials throughout the study. Non-vaccinated
(sham injected) control chicks were fed the identical
diet containing 66 ppm salinomycin through 35 days
of age, and non-medicated finisher diet thereafter.
In one study chicks were placed on clean litter, in
the other on built up litter. Body weight and adjusted
feed conversion were compared at 21, 35, 42, and 49
days of age. On clean litter at 49 days of age, salinomycin
bird weights averaged 2.396 kg, compared with 2.403
kg for the vaccinated birds. Feed conversion was equivalent
at all ages. On built up litter at 49 days of age,
salinomycin birds weighed 2.241 kg, compared to 2.252
kg for the vaccinated birds. Again there was no difference
in feed conversion at any age tested. Birds vaccinated
with Inovocox demonstrated equivalent performance
to birds fed salinomycin.
