1. Genetic analysis of conception rate in French Holstein cattle;Boichard;Acta. Agric. Scand.,1994
2. Index for daughters’ fertility in the Netherlands;de Jong,1998
3. Sire evaluation for ordered categorical data with a threshold model;Gianola;Genet. Sel. Evol.,1983
4. Environmental and genetic effects on the 60-day nonreturn rate in Finnish AI bulls;Hyppänen,1998
5. Direct and maternal genetic parameters of fertility traits in Friesian cattle;Jansen;Livest. Prod. Sci.,1986