(1)带露水的草不喂;
(2)腐烂变质的饲料、饲草、蔬菜不喂;
(3)带泥土的草和料不喂;
(4)带虫卵和被粪便污染的饲料和草不喂;
(5)有异味的饲料不喂;
(6)有毒的草不喂;
(7)带有农药的草和料不喂;
(8)被化学药剂污染的草和料不喂;
(9)冰冻的饲料不喂;
(10)水洗后和雨后的饲料不能马上喂
