Translations for poaching in French

Here are paragraphs from public domain books translated:

“Some poaching case, no doubt?” said I, with an indifferent manner.	Quelque délit de braconnage sans doute ? dis-je d’un air indifférent.
The Hound of the Baskervilles, by Arthur Conan Doyle	Le Chien des Baskerville, de Arthur Conan Doyle