饲粮中、高代谢能水平对商品蛋鸡蛋品质、血液生化和免疫反应的影响

IF 0.8 4区农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Acta Agriculturae Scandinavica Section A-Animal Science Pub Date : 2022-10-02 DOI:10.1080/09064702.2022.2134446

Mostafa Noori, J. Fakhraei, H. Mansoori Yarahmadi

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引用次数: 0

摘要

摘要本试验旨在研究饲粮中添加左旋肉碱、氯化胆碱和卵磷脂对蛋鸡蛋品质、血液生化指标和免疫反应的影响。第一个因素是两种能量水平(中等= 2900和高= 3000千卡/公斤)，第二个因素是使用三种脂蛋白补充剂(左旋肉碱100毫克/公斤，氯化胆碱1000毫克/公斤，2%替代卵磷脂膳食脂肪)。结果表明:饲粮对蛋鸡的产量、浓缩白高、蛋黄高、蛋黄直径、蛋黄指数、蛋黄含量和蛋壳重指数均有显著差异(P < 0.05)。结果还表明，使用高能量水平比使用中等能量水平改善了鸡蛋品质以及上述其他因素。综上所述，使用高能量水平(3000kcal/kg)和左旋肉碱(100mg/kg)作为膳食补充剂对研究因子的影响最大。

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Effects of lipotropic products on egg quality, blood biochemistry, and immune responses in commercial laying hens fed with medium and high metabolizable energy level diets

ABSTRACT This study investigated the effects of L-carnitine, choline chloride, and lecithin in the diet of laying hens fed with medium and high energy level diets on egg quality, blood biochemical parameters, and immune responses. The first factor was two levels of energy (medium = 2900 and high = 3000 kcal/kg) and the second factor was the use of three lipoprotein supplements (L-carnitine 100 mg/kg, choline chloride 1000 mg/kg, and 2% alternative lecithin dietary fat). Results showed that experimental diets led to significant differences (P < 0.05) in production, concentrated white height, yolk height, yolk diameter, yolk index, yolk content, and weight index to the shell. The results also showed that the use of high energy levels vs medium energy levels improved the egg quality as well as other aforementioned factors. In conclusion, the use of high energy levels (3000kcal/kg) as well as L-carnitine (100mg/kg) as a dietary supplement had the greatest effects on the studied factors.

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来源期刊

Acta Agriculturae Scandinavica Section A-Animal Science 农林科学-奶制品与动物科学

CiteScore

2.30

自引率

0.00%

发文量

审稿时长

>36 weeks

期刊介绍： Acta Agriculturæ Scandinavica, Section A – Animal Science publishes results of original research in animal science and their applications related to the following topics: -Animal breeding and genetics -Molecular genetics -Animal physiology and reproduction -Nutrition and feeding -Animal behaviour and welfare -General animal husbandry and systems of production, including economic and technical aspects -Hygiene and quality of animal products In addition to original articles, covering basic as well as applied subjects, the journal features review articles and short communications. Acta Agriculturæ Scandinavica, Section A – Animal Science forms part of a trilogy of titles published on behalf of the Nordic Association of Agricultural Scientists (NJF). The series also includes Section B - Soil & Plant Science and the recently launched Section C - Food Economics . Acta Agriculturae Scandinavica A, B and C are available to purchase as a combined subscription. This provides access to all three journals in the series, and is available to institutional subscribers only. For full pricing information, please view the Taylor & Francis Journals Price List here. Scientists in research, teaching and extension with specialised interest in animal science and production.