日粮添加蜂花粉对蛋品质的影响

试验取180日龄罗曼褐壳蛋鸡168羽,随机分为2组,对照组饲喂基础日粮,试验组在基础日粮中添加1.5%蜂花粉,于212日龄每组随机取鸡蛋30枚,测定平均蛋重、蛋壳厚度、蛋形指数、蛋黄的色泽,鸡蛋的粗蛋白、粗脂肪、胆固醇及部分微量元素的含量,研究蜂花粉对蛋品质的影响.结果:试验组蛋壳厚度增厚9.22%(P＜0.01),蛋黄重量提高6.89%(P＜0.05);蛋黄的色度显著高于对照组(P＜0.05),胆固醇含量降低29.18%,差异极显著(P＜0.01).微量元素含量差异不显著(P＞0.05).结果显示:蜂花粉可改善蛋品质.     

Whole Person Education of English Majors through English Public Speaking

English public speaking proves to play a significant role in the speaker’s whole person education, which has been gaining increasing attention among scholars at home and abroad. The paper analyzes possible relations between them and argues that great importance and awareness are supposed to be attached to the development and promotion of English public speaking especially among English majors for them to be more versatile and more competitive both in job markets and in work places.