Some mites live in peopleâs skin,e.g. the mites that cause scabies. Other mite species and ticks may take blood-meals on humans. Fleas, bedbugs and lice are insects, whereas ticks and mitesbelong to another group of arthropods, the Acarina.
Erysipelas is a bacterial infection in the upper layer of the skin. Learn about erysipelas symptoms, causes, treatment, and prevention. Erysipelas is a bacterial infection in the upper layer of the skin. It is similar to another skin disorder known as cellulitis, which is an infection in the lower layers of the skin. Both conditions are similar in appearance and are treated in the same way.
Swine erysipelas is caused by a bacterium, Erysipelothrix rhusiopathiae that is found in most if not all pig farms. Up to 50% of animals may carry it in their tonsils. It is always present in either the pig or in the environment because it is excreted via saliva, faeces or urine. The organism either: 2  Boars infected with erysipelas develop high temperatures and sperm can be affected for the complete development period of 5-6 weeks. 3  Infertility is demonstrated by returns, sows not in pig and poor litter sizes.