> こういうのも なんだが魚たちの ゴキゲンについちゃおれら 漁師が 専門家だ。

What does it mean についちゃ ? What grammar does it refer To ?
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2019-10-07T00:29:43.260
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2019-10-07T04:04:22.000
2019-10-07T00:51:24.267
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question
grammar spoken-language
What does it mean についちゃ in this text?