I am moving this to the Health forum, this is more for questions about the site, so I want everyone to see it.
I would start calling around you and ask for examples or people you can speak with who the vet has done crops for. then you can see the examples and find out first hand how their experience was. good luck!
"There are two temptations to which people fall prey with dogs. The first is to think that biology counts for everything. The second is to think it counts for nothing"
- Tom Junod
“When you KNOW better you DO better.”
― Maya Angelou