1. Recent advances in bovine obstetrics;Arthur;Vet. Rec.,1966
2. Veterinary Reproduction and Obstetrics;Arthur,1982
3. Comprehensive experiments on traits affecting longevity in Swedish dairy cattle breeds. I. Experimental design and general description of the experiment;Berglund;Swedish J. Agric. Res.,1980
4. Comprehensive experiments on traits affecting longevity in Swedish dairy cattle breeds. II. The effects of breed and rearing intensity on daily gain and feed efficiency of heifers during the rearing period;Brelin;Swedish J. Agric. Res.,1985
5. Possibilité de sélection de l'aptitude au vêlage en race Charolaise;Couteaudier,1971