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Reproductive Management

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by

Alex Souza

on 14 October 2015

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Transcript of Reproductive Management

Reproductive Management
California Herds

Alex Souza, DVM PhD
Dairy Advisor
souza@ucanr.edu

Breeding routine:
Typical CA herds:
Herd size
Breed
SOP-herd
VWP
CR 1st AI
SR
1,164 cows
~85% HO
Tail-chalk/TAI
~45-50d
~60-65%
~35%
Pre-synch Ovsynch: most herds
PGF
PGF
Ovsynch
Tail-chalk
50 DIM
Some herds: merging from Ovsynch-56h to 5d-P4 protocols
Best practices:
Thanks!
Full transcript