Neither duration of progesterone insert nor initial GnRH treatment affected pregnancy per timed-insemination in dairy heifers subjected to a Co-synch protocol-Reference-Cited by-同舟云学术

Neither duration of progesterone insert nor initial GnRH treatment affected pregnancy per timed-insemination in dairy heifers subjected to a Co-synch protocol

Published:2011-08 Issue:3 Volume:76 Page:578-588
ISSN:0093-691X
Container-title:Theriogenology
language:en
Short-container-title:Theriogenology

Author:

Colazo M.G.,Ambrose D.J.

Publisher

Elsevier BV

Subject

Equine,Animal Science and Zoology,Food Animals,Small Animals

Reference38 articles.

1. Pregnancy rates per artificial insemination for cows and heifers inseminated at a synchronized ovulation or synchronized estrus;Pursley;J Dairy Sci,1997

2. Use of a gonadotropin-releasing hormone agonist or human chorionic gonadotropin for timed insemination in cattle;Schmitt;J Anim Sci,1996

3. The use of progestins in regimens for fixed-time artificial insemination in beef cattle;Martínez;Theriogenology,2002

4. Pregnancy rates to timed-AI in Holstein heifers given prostaglandin F2α concurrent with, or 24 hours prior to, removal of an intravaginal progesterone-releasing insert;Ambrose;J Dairy Sci,2008

5. Decreasing the interval between GnRH and PGF2α from 7 to 5 days and lengthening proestrus increases timed-AI pregnancy rates beef cows;Bridges;Theriogenology,2008

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