The work of the JCRR focused on farming techniques, land reform, family planning, and health. Uncle Niu and Little Sister Niu became stars of these education campaigns. But doing these stereotyped illustrations day in and day out was not enough to satisfy Niu Gur, who had a lot more creativity than that. Luckily, at that time the Central Daily News added an illustrated supplement with comics.
農復會的宣傳重點主要在農業技術革新、土地改革、節育、保健，牛哥筆下的牛伯伯、牛小妹都成為宣傳上的主角，但是每天畫這些刻板的文宣工作，實在無法滿足牛哥對漫畫的創作熱忱。