Comparison of follicular development, timing of ovulation and serum progesterone, estradiol and luteinizing hormone concentrations in dairy heifers treated with 4‐ or 5‐day CoSynch + CIDR protocols
Abstract The use of 4‐day CoSynch + Controlled internal drug release (CIDR) + timed artificial insemination (TAI) in dairy heifers has resulted in adequate pregnancy rates compared with the 5‐day CoSynch + CIDR + TAI protocol. The objective of this study was to compare follicular growth, timing of o...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Wiley
2019-08-01
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Series: | Veterinary Medicine and Science |
Subjects: | |
Online Access: | https://doi.org/10.1002/vms3.171 |