Zadeh, N. Ghavi Hossein; Madad, M.; Shadparvar, A. A.; Kianzad, D.
(JKUAT, 2018-02-28)
Calving records of Iranian buffaloes from April 1991 to June 2010 comprising 1,151
herds with 34,911 calving events were used to evaluate reported secondary sex ratio,
stillbirth, and calf birth weight. Logistic regression ...