关键词: 蛋鸭；笼养模式；需水量；饲养管理

Abstract: As a traditional advantageous industry in China，the egg-laying duck breeding sector has developed rapidly in recent years. Particularly with the emergence of cage ??rearing systems，egg-laying duck production has embarked on a high??quality development path featuring large-scale，intensive and automated operations. This paper highlights the importance of water control technology in cage-rearing systems，elaborates in detail on its development history，research status and future prospects，and points out the significance of water control technology for caged egg- laying ducks.

Key words: Laying ducks；Cage rearing model；Water requirement；Feeding and management