A survey on the prevalence and intensity of infection with gastrointestinal helminths of Dorper sheep in relation to age and weather factors was carried out on a ranch in Kajiado district. a semi-arid area of Kenya for a period of 13 months (May 1999 to May 2000). Faecal samples from lambs (3 months to 1 year). yearlings (1-2 years) and adult breeding ewes (2-4 years) were examined fo... https://www.ivoryjinelle.com/