Some agricultural professions have specific names assigned to them. For example, a person who raises sheep is a shepherd and a person who raises cattle is a rancher. What would a person who raises turkey (or perhaps poultry in general) be called?
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The word you are looking for is poulterer (there is an obsolete version, poulter), or perhaps poulteress. All are found in the OED in this sense.
In Australia, the general term, depending on the level of involvement, would be Turkey breeder or Turkey producer.
Poult (The American Livestock Breeds Conservancy)
If you want to be technically specific, it would be poulter.