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Untitled Prezi

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Alex Souza

on 12 November 2014

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Transcript of Untitled Prezi

Anovular condition: dairy herds
Alex Souza, DVM PhD
University of California
Poland, 9-2013

Incidence of anestrus
in confined dairy herds
Effect of parity
Effect of body condition score
Lopes & Wiltbank 2004
Things to keep in mind...
Types of anovular structures
seen while scanning ovaries
Gumen et al., 2003
Invest in a decent machine!!!

Proactive + effective treatment

A few will need to be culled...
Effect of milk production
Lopes & Wiltbank 2004
Rodrigues & Vasconcelos 2012
What do we know?
Hypothalamus: E2-induced LH surge system appears to be broken!
P4 can reset the E2-LH response
- How long P4 treatment?
- How much P4 is needed?
Pre-synch using GnRH is also a good option particularly for 1st AI
Non-responders???
What do we know?
Hypothalamus is broken! not the ovary...

P4 can reestablish LH surge by E2

P4: how? how long? how much?

Non responders?
Thank you!

Questions?
P4 devices
+ selective approach
Therio 2005
Pre-synch + S.O.P. proactive
- Double-Ovsynch
- G-6-G
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Full transcript