Turkeys infected with blackhead disease live inside a crowded barn on a factory farm. The disease is caused by Histomonas meleagridis, a parasitic protozoa spread to birds by a roundworm species. Sweden, 2012. Jo-Anne McArthur / Djurrattsalliansen / We Animals
Your download will start shortly, please do not navigate away from this page until the download prompt has appeared. Doing so may cause your download to be interrupted.
We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.OkPrivacy policy