Swelling Of The Head And Neck Diseases Abscess Actinobacillosis Actinomycosis Anaemia Big Head Blood Loss Bluetongue Bottle Jaw Clostridia Clostridial Diseases (Big Head) Clostridium novyi Type A Goiter Haemorrhage Iodine Deficiency Leather Lips (Sheep) Lumpy Jaw Retained Cud Salivary Duct Blockage Submandibular Oedema Swelled Head Woody Tongue (Cattle)