1. An analysis of stallion fertility rates (foals born alive) from the breeding documents of the landgestut celle over a 158-year period;Merkt;J Reprod Fertil Suppl,1979
2. The effect of the age of stallions and mares on their fertility;Dusek;Vet Med,1980
3. An analysis of stallion fertility based on the number of matings per heat;Munk;Vet Med,1981
4. The live foaling rate per cycle in mares;Baker;Equine Vet J,1993
5. A survey of the fertility of Icelandic stallions;Davies Morel;Anim Reprod Sci,2000