Πλοήγηση ανά Θέμα "Culling"
Αποτελέσματα 1-1 από 1
-
Effect of health disorders on the hazard of culling on the first or second lactation in Iranian dairy herds
(2013)We conducted a longitudinal retrospective study in order to assess the effect of health disorders (HDs) on culling in the 1st or 2nd lactation cows, in Iranian dairy herds. In total, 7067 first- and second-parity Holstein ...