1 / 14

Results with Timed AI Systems

Results with Timed AI Systems. Syncro - Mate B 35-50% Preg Highly Variable Depends on stage of cycle OvSynch 40-60% Preg Less variable Co-synch 40-50% Preg Still working out details. Estrus Detection and AI Systems. MGA-PGF System. PGF. Estrus & Breed.

tarik-baldwin
Download Presentation

Results with Timed AI Systems

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Results with Timed AI Systems • Syncro - Mate B 35-50% Preg • Highly Variable • Depends on stage of cycle • OvSynch 40-60% Preg • Less variable • Co-synch 40-50% Preg • Still working out details

  2. Estrus Detection and AI Systems

  3. MGA-PGF System PGF Estrus & Breed Do Not Breed Feed MGA 14 31 37 1

  4. SELECT-SYNCH System GnRH PGF Estrus & Breed 7 12 0

  5. SYNCRO - MATE B System Nor + E2 Remove implant Estrus & Breed Implant 7 9 14 0

  6. MGA+PGF and Syncro-Mate B • MGA+PGF was better in synchronizing heifers • 57.3% vs 36.6% • MGA+PGF in large field studies in KY produced conception rates of 58.3% • Synchronization rate with SMB generally from 35 - 50 %

  7. MGA + PGF vs PGF Patterson et al., 1995

  8. Select Synch vs PGF

  9. Results from Estrus Detection + AI Systems • MGA + PGF best system for heifers • MGA +PGF resulted in increased fertility in some studies • Syncro-Mate B highly varaible • Select-synch looks promising, but also variable

  10. Experimental Systems

  11. GnRH-NOR-PGF System GnRH PGF Estrus & Breed Progestin 7 12 0

  12. PROG-PGF-E2 System PGF E2 Estrus & Breed Progestin 7 9 15 0

  13. Recommendations • Current estrous synchronization systems can enhance AI success especially in anestrous postpartum cows • Systems using GnRH have some advantages over older systems • Including progestins in GnRH systems may further improve conception rates to synchronized estrus

More Related