| prevalence, risk factors and economic importance of infestations with sarcoptes scabiei and haematopinus suis in sows of pig breeding farms in hesse, germany. | a cross-sectional survey was performed in 110 randomly selected pig-breeding farms of southern hesse, germany to estimate the prevalence of ectoparasite infestations and to find possible risk factors. ear scrapings of, if available, 10 sows per farm were examined for sarcoptes scabiei var. suis (de geer) (acaridida: sarcoptidae) by the potassium hydroxide digestion method, and a total of 2754 sows was inspected for skin lesions and infestations with haematopinus suis (l.) (anoplurida: haematopin ... | 2004 | 15642002 |