Enterprise choice enterly depends on how best you can work out your expected profit margins beforehand by drafting gross margin analysis for the two enterprices factoring in real figures based on your region. For example enterprise A might be profitable in one area depending on consumer preference of such a product in that area. That not withstanding, choosing broilers over layers is comparatively tricky if no attention to details isn't done. However layers production though takes time to get returns is always more profitable in the long run as compared to broilers. Either way you must have over 500birds to realize meaning full margins. Small scale production has very dismal returns.