1. Relationships among milk production, reproductive traits, and herd life for Tunisian Holstein–Friesian cows;Ajili;AJAR,2007
2. A review of environmental and management factors affecting the reproductive performance of Holstein–Friesian dairy herds in Tunisia;Ben Salem;Livest. Res. Rural Develop.,2006
3. Genetic parameter estimates for functional herd life for the South African Jersey breed using a multiple trait linear model;Du Toit;S. A. J. Anim. Sci.,2009
4. “The Survival Kit” — a Fortran package for the analysis of survival data;Ducrocq,1994
5. The Survival Kit V3.0 — a package for large analyses of survival data;Ducrocq;6th World Congr. Genet. Appl. Livest. Prod.,1998