Estrus Synchronization Protocols for Heifers

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Treatments

CIDR Select

CIDR

… 9 days …

GnRH

… 7 days …

PG

0 14 23 30

Select Synch

+ CIDR

GnRH

PG

CIDR

0 7

Leitman et al., 2007

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• Results from Leitman et al. (2007) were analyzed to compare the CIDR Select and Select Synch + CIDR protocols among mixed groups of estrous cycling and prepubertal beef heifers.

Treatments CIDR Select CIDR … 9 days … GnRH … 7 days … PG 0 14 23 30 Select Synch + CIDR GnRH PG CIDR 0 7 Leitman et al., 2007

Page 1 and 2: Estrus Synchronization Protocols fo
Page 3 and 4: Products Currently Available • Pr
Page 5 and 6: How do long-term and short-term ter
Page 7 and 8: CO-Synch + CIDR w/ TAI at 54h vs CI
Page 9 and 10: 35 30 25 Distribution of repeat est
Page 11 and 12: Conclusion Synchronizing replacemen
Page 13: CIDR Select with TAI at 72 hrs resu
Page 17 and 18: Data collection • Blood sample co
Page 19 and 20: Prepubertal and estrous cycling hei
Page 21 and 22: Comparison of variances within trea
Page 23: Summary • Differences in variance

Estrus Synchronization Protocols for Heifers

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