The aqueous extract and dried powder of Moringa oleifera leaf was evaluated on Feed
conversion ratio (FCR) in broiler chicks. Fifty no. of day old chicks were kept into 5 groups each
contain 10 chicks. First two (T1 and T2) were fed with aqueous extract and dried powder of
Moringa oleifera respectively each @ 250 mg/kg b.wt. For comparison, a levamisole fed
group T3 was included, to compare the immunomodulatory effect of the preparations of M.
oleifera with that of a known positive immunomodulator, which was fed @10 mg/kg b.wt.
The other two groups T4 and T5 included in the experimental design served as the vaccinated
and unvaccinated control groups’ respectively. M. oleifera fed groups showed better FCR than
levamisole treated groups followed by vaccinated and unvaccinated control groups of chicks.
No mortality was recorded in tested groups. Overall M. oleifera showed significant (P