Effects of different concentration of Zattariamultiflora essence on immunity system of broilers

Zattariamultiflora (Z. multiflora) is a herb belonging to Labiatae family with known therapeutic effects, like anti-inflammatory and antimicrobial activity especially for gastrointestinal tract and respiratory systems and use of such herbs seems to be necessary in today’s medicine. The aim of present study was to evaluate the effects of Z. multiflora essence on immunity of broilers.
Different concentrations of Z. multiflora were added to the food of broilers, then the antibody titer’s were measured for Sheep Blood Cells (SRBC) and Newcastle Disease virus (NDV) plus stimulation rate of T-lymphocytes by Delayed-Typed Hypersensitivity (DTH) assay
Assays revealed that addition of 200 & 400 ppm of Z. multiflora essence in the diet of broilers increased Ab levels against NDV, statistically (p The effects of Z. multiflora on immune system of broilers is dose dependent and use of lower concentrations of this herbal showed immunomodulatory properties. Thus, it is recommended to use the low concerntations of Zattariamultiflora in order to increase the resistance of broilers against enteric and respiratory infections.