REPRODUCTIVE PERFORMANCE OF DAIRY COWS FROM PARTURITION TO CONCEPTION B. BERGLUND, L. E. EDQVIST, L. JANSON, H. KINDAHL, K. LARSSON, A. MALMQVIST and C. SWENSSON Genet. Sel. Evol., 12 4 (1980) 409 DOI: 10.1051/gse:19800430