酵母和大蒜提取物混合物对肉鸡生长性能、肠道消化率、排泄物微生物群、气体排放、血液特征和肉品质的影响

IF 1.2 4区 农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE
Sarbani Biswas, I. Kim
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引用次数: 0

摘要

摘要本实验旨在测定酵母和大蒜提取物混合物在肉鸡日粮中的使用对肉鸡生长性能、营养吸收、排泄物微生物群、血液特征和肉质的影响。随机分配792只雄性Ross308肉鸡(1日龄,体重41±0.5g,试验5周)。鸟类被任意分配到四种营养处理中的一种(11个重复;18只/重复)。基础日粮(CON)添加0.1%、0.2%和0.3%的酵母-大蒜混合物(YGM)。体重增加在整个时期呈线性增加,并从第21天到第35天呈增加趋势,而通过YGM的加入,饲料摄入量在整个时期呈现增加趋势。然而,沙门氏菌计数线性下降,但乳酸杆菌和大肠杆菌计数未受影响。排泄物二氧化碳排放量呈线性下降;然而,其他有毒气体排放没有受到影响。此外,补充YGM引起淋巴细胞改善和IgG线性增加的趋势。然而,饲料转化率、死亡率、养分利用率和肉质没有受到影响。添加YGM(0.1%、0.2%和0.3%)通过降低微生物群和气体排放以及增加血液参数,线性改善肉鸡的生长性能。因此,YGM的适宜剂量为0.3%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Efficacy of yeast and garlic extract mixture on growth performance, tract digestibility, excreta microbiota, gas emission, blood profile, and meat quality in broiler
Abstract This experiment was accompanied to determine the use of yeast and garlic extract mixture in broiler diets on growth performance, nutrient absorption, excreta microbiota, blood profiles, and meat quality. A total of 792 male Ross 308 broilers (1-day-old, body weight 41 ± 0.5 g, and 5 weeks trial) were randomly allocated. Birds were arbitrarily assigned to one of four nutritive treatments (11 replicates; 18 birds/replicate). A basal diet (CON) was supplemented with 0.1%, 0.2%, and 0.3% yeast–garlic mixture (YGM). Body weight gain linearly increased during the overall period and tended to increase from day 21 to day 35, while feed intake showed a tendency to increase during the overall period by YGM inclusion. However, Salmonella counts linearly decreased, but Lactobacillus and Escherichia coli counts remained unaffected. Excreta CO2 emissions were linearly reduced; nevertheless, other noxious gas emissions were not affected. Furthermore, YGM supplementation elicited a tendency for improved lymphocytes and linearly increased IgG. However, feed conversion ratio, mortality, nutrient utilization, and meat quality were not influenced. YGM addition (0.1%, 0.2%, and 0.3%) linearly improved broiler growth performance by decreasing microbiota and gas emission and increasing blood parameters. So, the proper dose of YGM was 0.3%.
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来源期刊
Canadian Journal of Animal Science
Canadian Journal of 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
51
审稿时长
6 months
期刊介绍: Published since 1957, this quarterly journal contains new research on all aspects of animal agriculture and animal products, including breeding and genetics; cellular and molecular biology; growth and development; meat science; modelling animal systems; physiology and endocrinology; ruminant nutrition; non-ruminant nutrition; and welfare, behaviour, and management. It also publishes reviews, letters to the editor, abstracts of technical papers presented at the annual meeting of the Canadian Society of Animal Science, and occasionally conference proceedings.
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