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Turkish Journal of Veterinary & Animal Sciences

DOI

10.3906/vet-1701-22

Abstract

The aim of this study was to examine the effect of the prepartal administration of the monensin release capsule on dry matter intake (DMI), milk yield, and some reproductive parameters of dairy cows. The cows were divided into study (n = 35) and control (n = 41) groups. The study group cows were administered the intraruminal-monensin releasing capsules at 21 $\pm$ 3 days before expected calving and the control group cows were not subjected to treatment. Monthly mean DMI; cumulative milk yield at 30, 45, and 60 days in milk (DIM); peak milk yield; days of 1st AI; days open; and culling rate were measured. Monensin delivery prepartum decreased DMI postpartum (P < 0.001) but did not alter cumulative milk yield at 30, 45, and 60 DIM; peak milk yield; days of 1st AI; days open; or culling rate (P > 0.05). In conclusion, monensin-releasing capsule administration in the prepartum period did not affect performance reproductive parameters postpartum. However, it may contribute to the economics of production efficiency.

Keywords

Dairy cow, dry matter intake, milk yield, monensin, reproductive performance

First Page

621

Last Page

626

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