Cookies on Animal Science Database

Like most websites we use cookies. This is to ensure that we give you the best experience possible.

 

Continuing to use www.cabi.org  means you agree to our use of cookies. If you would like to, you can learn more about the cookies we use.

Animal Science Database

Supporting your research in animal production, welfare and health

 Sign up to receive our Veterinary & Animal Sciences eNewsletter, book alerts and offers direct to your inbox.

Results per page:

Search results

Abstract

Fertility traits were recently added to the evaluation of genetic merit, allowing for the selection of Holstein cattle with improved reproductive performance. In the current study, we investigated the associations among genomic merit for daughter pregnancy rate (GDPR) and heifer conception rate...

Author(s)
Veronese, A.; Marques, O.; Peñagaricano, F.; Bisinotto, R. S.; Pohler, K. G.; Bilby, T. R.; Chebel, R. C.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 7, pp 6639-6648
Abstract

The objective of this experiment was to determine the effect of supplemental gonadotropin-releasing hormone (GnRH) at the time of progesterone controlled internal drug-release (CIDR) insertion, when incorporated into a CIDR-prostaglandin F (PGF)-GnRH timed AI (TAI) protocol on pregnancy per AI...

Author(s)
Howard, J. M.; Falk, D. G.; Carnahan, K. G.; Dalton, J. C.; Chebel, R. C.; Ahmadzadeh, A.
Publisher
American Registry of Professional Animal Scientists (ARPAS), Illinois, USA
Citation
Professional Animal Scientist, 2009, 25, 6, pp 757-761
Abstract

The objectives were to evaluate the effect of synchronization protocols on follicular development and estradiol 17-β (E2) and progesterone (P4) concentrations in dairy heifers. In experiment 1, 36 heifers were assigned to 1 of 6 synchronization protocols in a 3×2 factorial design:...

Author(s)
Stevenson, J. L.; Dalton, J. C.; Santos, J. E. P.; Sartori, R.; Ahmadzadeh, A.; Chebel, R. C.
Publisher
American Dairy Science Association, Savoy, USA
Citation
Journal of Dairy Science, 2008, 91, 8, pp 3045-3056