| gastrointestinal helminth parasites of dogs in the western area--freetown (sierra leone). | a survey of faecal samples taken from 1277 dogs in the western area (freetown, sierra leone) revealed an infestation by ancylostoma caninum (46,1%), toxocara canis (13,5%), toxascaris leonina (5,9%), dipylidium caninum (3,8%), and spirocerca lupi (3,5%). sampling was made per rectum. the age of the dogs examined, both male and female, ranged from one month to fifteen years. the clinical picture of the dogs affected is described and methods of treatment are suggested. | 1982 | 7171367 |