Vaccine delivery system. Newly hatched chicks eating gelatin beads containing a vaccine to protect them from coccidiosis - a disease caused by coccidian protozoa. This new vaccine delivery system uses beads containing oocysts from Eimeria sp. coccidians, one of the primary causes of coccidiosis. Photographed at the Animal Parasitic Diseases Laboratory, Beltsville, Maryland, USA. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Ausmus, Stephen / US Department of Agriculture |
Bildgröße: | 3750 px × 2500 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |