| sheep helminth parasitic disease in south eastern scotland arising as a possible consequence of climate change. | the climate in the uk is changing, with a trend towards increased rainfall in the autumn and winter and warmer average temperatures throughout the year. there has also been a 4-week extension of the herbage growing season over the past 40 years. these changes may have implications for the epidemiology of sheep helminth parasites. here, we describe production-limiting disease outbreaks caused by haemonchus contortus, nematodirus battus, teladorsagia circumcincta and fasciola hepatica in sheep flo ... | 2009 | 19556065 |