Prevalence of Cryptosporidia, Eimeria, Giardia, and Strongyloides in pre-weaned calves on smallholder dairy farms in Mukurwe-ini district, Kenya oleh Getrude Shepelo Peter, George Karuoya Gitau, Charles Matiku Mulei, John Vanleeuwen, Shauna Richards, Jeff Wichtel, Fabienne Uehlinger, Omwando Mainga