BEEF COW PROTOCOLS - 2013 HEAT DETECTION
HEAT DETECT & TIME AI (TAI)
Select Synch
Select Synch & TAI
GnRH
Heat detect and AI day 6 to 10 and TAI all non-responders 72 – 84 hr after PG with GnRH at TAI.
PG 6
0 treatment day
7
GnRH
13
0
Select Synch +
GnRH
treatment day
CIDR®
7
13
PG 6-day CIDR®
Heat detect and AI days 0 to 3. Administer CIDR to non-responders and heat detect and AI days 9 to 12. Protocol may be used in heifers. PG CIDR® 9
3 treatment day
Heat detect & AI
PG 6-day
CIDR®
Heat detect & AI
0
& TAI
AI 3
GnRH
0
Approved 12-06-12
84
12
9
treatment day
Heat detect & AI
Perform TAI at 66 ± 2 hr after CIDR removal with GnRH at TAI. Two injections of PG 8 ± 2 hr apart are required for this protocol. PG
.. 60 - 66 hr .. 7
10
GnRH
PG CIDR®
PG
treatment day
.. 72 - 84 hr ..
PG 5-day CO-Synch + CIDR®
Perform TAI at 72 ± 2 hr after CIDR removal with GnRH at TAI. Two injections of PG 8 ± 2 hr apart are required for this protocol.
CIDR®
Heat detect & AI
CIDR®
5-day CO-Synch + CIDR® GnRH
10
AI
CIDR® treatment day
.. 72 - 84 hr .. 7
for Bos indicus-influenced cows only
Perform TAI at 60 to 66 hr after PG with GnRH at TAI.
0
AI
FIXED-TIME AI (TAI)*
CIDR®
PG
GnRH
Heat detect & AI days 0 to 3. Administer CIDR to non-responders & heat detect and AI days 9 to 12. TAI non-responders 72 - 84 hr after CIDR removal with GnRH at AI. Protocol may be used in heifers. GnRH GnRH PG PG
12
FIXED-TIME AI (TAI)*
GnRH
& TAI
treatment day
Heat detect & AI
7-day CO-Synch +
Heat detect & AI
CIDR® 0
0
10
PG
Heat detect & AI
treatment day
PG
7
GnRH
CIDR®
GnRH
6
Heat detect and AI day 7 to 10 and TAI all non-responders 72 - 84 hr after PG with GnRH at TAI.
PG
0
AI
PG
.. 72 - 84 hr ..
Heat detect & AI
Select Synch + CIDR®
GnRH
0 GnRH
PG
8±2 hr …..72 ± 2 hr.. 5
AI
treatment day
GnRH PG
8±2 hr …..66 ± 2 hr..
AI
5
8
* The time listed for “Fixed-time AI” should be considered as the approximate average time of insemination. This should be based on the number of cows to inseminate, labor, and facilities.
8
Beef Reproduction Task Force
GnRH PG
Cystorelin®, Factrel®, Fertagyl®, OvaCyst® estroPLAN®, Estrumate®, In-Synch®, Lutalyse®, ProstaMate®