1. Nematode burdens and immunological responses following natural challenge in Romney lambs selectively bred for low or high faecal worm egg count;Bisset;Vet. Parasitol.,1996
2. Phenotypic traits associated with resistance to internal parasites;Eady,1995
3. Genetic relationship between faecal worm egg count and scouring in Merino sheep in a Mediterranean environment;Greeff;Proc. Assoc. Adv. Anim. Breed. Genet.,1997
4. Will selection for decreased faecal worm egg count result in an increase in scouring;Greeff;Proc. Assoc. Adv. Anim. Breed. Genet.,1999
5. The diagnosis of helminthosis in sheep;Gordon;Med. Vet. Rev.,1967