合約農林助理員主要職責為 (a) 協助收集禽畜樣本（包括血液樣本、泄殖腔樣本、環境樣本、蛋隻樣本、動物屍體及活體樣本）用作預防及調查疾病控制; (b) 協助處理傷病或死亡的禽鳥； (c) 需要在鄉郊地區進行巡邏，協助上級執行有關禽畜飼養的發牌規例； (d) 協助整理資料，並使用電腦存檔； (e) 教育本地禽畜農場的持牌人，以確保農場的「生物保安」措施得以落實； (f) 協助編製教材，例如書籍和海報；和 (g) 執行獲委派的職務。

The Contract Field Assistant is mainly deployed on (a) assisting in samples collection (such as blood samples, cloacal samples, environmental samples, eggs samples, animal carcasses and livestock samples) for the purpose of disease prevention and investigation; (b) handling of live, debilitated or dead poultry/birds; (c) patrolling at rural area to ensure effective enforcement of the Licensing of Livestock Keeping Regulation; (d) assisting in record keeping as well as providing data input to database in the local server on daily basis; (e) educating farm licensees to ensure farm biosecurity measures are being fully implemented; (f) assisting in preparation of education materials, such as booklets and posters; and (g) performing any other duties related to the post.