Citation | Hafez AS, Aly SM, Elmasry DMA, Hussein HA, Abdelmagid MA (2024). Competitive study between raw and nano-propolis as feed additive in broiler and its effect on the immune system. Adv. Anim. Vet. Sci. 12(s1): 339-352. DOI | https://dx.doi.org/10.17582/journal.aavs/2024/12.s1.339.352