Effect of Fermented Soybean "Natto" Supplement on Egg Production and Qualities
Effect of Fermented Soybean "Natto" Supplement on Egg Production and Qualities
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DOI：
10.5713/ajas.2008.70654
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发表时间：
2008-11-01
期刊：
影响因子：
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通讯作者：
Abe, H.
中科院分区：
文献类型：
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作者：
Fujiwara, K.;Miyaguchi, Y.;Abe, H.
纳豆是日本传统的大豆制品，由纳豆芽孢杆菌发酵而成。本研究以日本产蛋鸡为对象，研究了添加纳豆粉对产蛋性能和蛋品质的影响。干纳豆。通过在60摄氏度下加热制备，以高达3%的水平添加到基础饮食中。选用40只166周龄的罗得岛红羽蛋鸡，随机分为4组，每组5只，设2个重复。Ⅰ组饲喂基础日粮作为对照。其余3组分别饲喂添加1、2和3%（w/w）干纳豆的基础饲料。即使在对照饲料中添加3%的干纳豆，结果也没有显示出产蛋量或蛋鸡饲料转化率的改善。蛋品质包括蛋重。蛋壳强度和厚度、蛋黄颜色、蛋黄重量、蛋白高度和哈夫单位也没有改善。然而，喂食纳豆干改变了蛋黄中的胆固醇含量。与对照饮食相比，补充干燥纳豆显示出在喂养12周后降低蛋黄胆固醇的趋势，尽管它没有改变血液中的血浆胆固醇水平。从另一方面来说。饲喂3%干纳豆12周后，蛋黄胆固醇显着降低（p
Natto is a Japanese traditional soybean product fermented by Bacillus natto. The effects of dried fermented soybean (natto) supplement on egg production and egg qualities of layer chickens was studied with regard to the effective use of various waste foods in Japan. Dried natto. prepared by heating at 60 degrees C, was added to a basic diet at a level of up to 3%. Forty 166-wk-old layer chickens (Rhode Island Red) were randomly divided into 4 groups and five layer chickens were used in each group with two replicates. Layer chickens in group I were fed a basic diet as the control. The remaining 3 groups were fed the basic diet supplemented with dried natto at levels of 1, 2, and 3% (w/w), respectively. The result did not show improvements in egg production or feed conversion ratio of layer chickens even when 3% dried natto was added to the control diet. The egg qualities including egg weight. eggshell strength and thickness, yolk color, yolk weight, albumen height, and Haugh unit were also not improved. However, the feeding of dried natto changed the cholesterol content in the egg yolk. The supplementation of dried natto showed the tendency to decrease the yolk cholesterol after 12-wk of feeding compared to the control diet though it did not change plasma cholesterol levels in the blood. On the other hand. yolk cholesterol decreased significantly after 12-wk of feeding 3% dried natto (p