Short Communication: Pregnancy Rates to Timed Artificial Insemination in Holstein Heifers Given Prostaglandin F2α Twenty-Four Hours Before or Concurrent with Removal of an Intravaginal Progesterone-Releasing Insert-Reference-Cited by-同舟云学术

Short Communication: Pregnancy Rates to Timed Artificial Insemination in Holstein Heifers Given Prostaglandin F2α Twenty-Four Hours Before or Concurrent with Removal of an Intravaginal Progesterone-Releasing Insert

Published:2008-07 Issue:7 Volume:91 Page:2678-2683
ISSN:0022-0302
Container-title:Journal of Dairy Science
language:en
Short-container-title:Journal of Dairy Science

Author:

Ambrose D.J.,Emmanuel D.G.V.,Colazo M.G.,Kastelic J.P.

Funder

Alberta Agriculture and Rural Development.

Publisher

American Dairy Science Association

Subject

Genetics,Animal Science and Zoology,Food Science

Reference21 articles.

1. Progesterone (CIDR)-based timed AI protocols using GnRH, porcine LH or estradiol cypionate for dairy heifers: Ovarian and endocrine responses and pregnancy rates;Ambrose;Theriogenology,2005

2. Conception rate and pregnancy loss rate in lactating Holstein cows of a single herd following timed insemination or insemination at detected estrus;Ambrose;J. Dairy Sci.,2006

3. Compendium of Veterinary Products,2005

4. Factors associated with first service conception in artificially inseminated nulliparous Holstein heifers;Donovan;Theriogenology,2003

5. Pregnancy in dairy cows after synchronized ovulation regimens with or without presynchronization and progesterone;El-Zarkouny;J. Dairy Sci.,2004

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3. Conception rates to fixed-time artificial insemination of two oestrus synchronisation programmes in dairy heifers;New Zealand Veterinary Journal;2015-03-13

4. The effects of exclusion of progesterone or Day 0 GnRH from a GnRH, prostaglandin, GnRH + progesterone program on synchronization of ovulation in pasture-based dairy heifers;Theriogenology;2014-09

5. A Five-Day Progesterone Plus eCG-Based Fixed-Time AI Protocol Improves Fertility Over Spontaneous Estrus in High-Producing Dairy Cows Under Heat Stress;Journal of Reproduction and Development;2013