推荐回答(2个)
为了提高种鸭的产蛋量,首先应了解影响种鸭产蛋的各种因素。影响因素很多,就其中主要因素和解决办法列举如下:
品种或品系的质量:樱桃谷肉鸭、天府肉鸭、北京Z型鸭、丽佳肉鸭、狄高鸭等年产蛋量都在200枚以上,商品代鸭七周龄体重可达3.0千克以上,质量比较好。
种鸭的年龄:种鸭开产以后,一般情况下在33~35周龄达到产量高峰,维持一般时间以后,随着年龄的增加产蛋量缓慢的下降,产蛋40周以后由于产蛋量不高、种蛋受精率、孵化率亦不是很高,即可淘汰。如果种蛋或鸭苗的市场行情很好;饲养管理特别精细,种鸭产蛋量又维持在一个比较高的水平上,则可适当延长种鸭的使用期,在一般情况下最好还是不要超过一个产蛋年。
育雏期和育成期的培育情况:育雏和育成期种鸭培育的情况,直接影响到种鸭性成熟和产蛋量(前已述及)。
气候:在饲养期间,如遇连续高温,或寒潮侵袭,或阴雨连绵使鸭的生活环境发生骤变,会使产蛋量下降。在冬天应有防寒保暖的设备,使鸭子处于5℃以上的环境条件;在盛暑夏天应采用防暑降温的措施;在连绵阴雨天要勤换垫料,保持舍内干燥。
饲料:配合饲料中品种单一,特别是缺乏蛋白质、维生素、矿物质的饲料,或突然改变饲料都会使产蛋量下降。针对这些影响因素、应给种鸭饲喂符合该品种鸭产蛋所需各种营养成分的配合饲料,并根据气温条件的变化,适当调整能量、蛋白质、维生素和矿物质在饲料中的含量。饲料品种和组成应求稳定,若要改变也只能逐渐进行,使鸭子能慢慢适应过来。
管理:突然改变正常的饲养管理规程,饮水不足、饲喂时间、饲喂次数变化太大,也会使产蛋量下降。应将日常的饲养管理工作按一定的程序进行;在下午或夜间鸭群受惊发生惊群或驱赶鸭群太快、太急,都会使产蛋量下降,软壳蛋增多。应给种鸭创造一个安定的环境。要防止狗、猫、老鼠的侵扰;转移鸭群时不能
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