Snapping your fingers as the marks go down will be noticed and noted. Personally, I wouldn't call it a controlled break but the scores would reflect poor trainability. Would warn the handler and expect better in the second series.
It would be wise of you to have your dog be doing Finished/Master work in training before entering a Seasoned/Senior test. Just saying of course.
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HRCH UH River Joes Lil Supa Dupa-Dee.......500pt. club
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IN Senior most judges will not allow you to snap your fingers when birds are flying. You are not to talk to the dog or make any noise while birds are in the air, why would you be allowed to snap your fingers. Season is a different thing. You can talk to your dog the entire time.
Didn't see this mention, sorry if I missed it....
I think it would be a good idea to attend a couple of tests both AKC & UKC as an observer, reading the rules is good but see them performed might be helpful too.
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That is the best you can do. BUT remember they are dogs, so the rock solid dog in training can turn into a nut case at a hunt test. The smells, sounds and environment will amp them up. If you can train in a group would be the best at least several times prior to entering a test.