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旦鸭春孵是发展养鸭生产提供苗禽的基础。下面就旦鸭春孵谈点意见。 (一)种旦的来源和放雄:春孵种鸭场,安排在饲养管理、卫生防疫条件较好的旦鸭饲养场。雄鸭在隔年预先培养准备好,于留旦前20天左右放进旦鸭群内,俗称“放雄”,前期因早春天气比较冷,鸭的性活动能力弱,放雄比例要稍高一些,每100只旦鸭放6~7只雄鸭,以后随着气候转暖放雄数量逐渐减少为4~5只;后期天气较暖,鸭的性活动能力增强,如果放雄鸭过多,反而容易抡雄打架,影响旦鸭配种受精,
Spring and summer duck hatchlings are the basis for the development of duck breeding to provide seedlings. Here on the duck spring hatch point advice. (A) the source and kind of Dan: male hatchery duck farm, arranged in the feeding and management, health and epidemic prevention conditions better duck duck farm. Drakes in the next year, pre-training ready, about 20 days before the date into the group of Dan ducks, commonly known as “put male” early because of the early spring weather is colder, ducks sexual activity is weak, put the male ratio to slightly higher , Per 100 duck once put 6 to 7 drake, later as the climate warmer grazing male number gradually reduced to 4 to 5; later weather is warmer, the sexual activity of the duck enhanced, if you put the drake too much, on the contrary Easy males fight, affect the duck breeding insemination,