日粮杏仁壳对生长猪生长性能、营养消化率、粪便微生物、粪便评分和有害气体排放的影响

IF 1.2 4区农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Canadian Journal of Animal Science Pub Date : 2023-12-19 DOI:10.1139/cjas-2023-0072

Golam Sagir Ahammad, Chai Bin Lim, Inho Kim

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引用次数: 0

摘要

在一项为期 42 天的研究中，195 头体重为 23.83 ± 1.95 千克的生长猪（兰德马克×约克夏×杜洛克）被随机分为三个处理，每个处理有 13 个重复，每个栏有 5 头猪（3 头小猪和 2 头后备母猪）。处理为对照组 (CON) - 基础日粮，基础日粮中分别添加 3% 和 6% 杏仁壳作为处理 (TRT) 1 和 2。结果显示，与对照组相比，处理 1 和处理 2 在第 6 周时的平均日增重（ADG）和平均日采食量（ADFI）均有明显提高（p < 0.05）。与对照组相比，ADG 和 ADFI 的提高在整个试验期间呈现出一致的趋势（p < 0.10）。此外，与对照组相比，第 6 周结束时增重比（G:F）有提高的趋势（p < 0.10），并保持不变（p > 0.05）。营养消化率和粪便微生物群没有受到明显影响（p > 0.05）。不过，NH3 气体呈下降趋势（p < 0.10）。结果表明，杏仁壳可以改善生长和减少氨气，而不会对消化、微生物群和粪便评分产生不利影响。

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Effect of dietary almond hull on growth performance, nutrient digestibility, fecal microbial, fecal score, and noxious gas emission in growing pigs.

In a 42-day study, 195 growing pigs (Landrace × Yorkshire × Duroc) weighing 23.83 ± 1.95 kg were randomly divided into three treatments, each with 13 replicates and five pigs (3 barrows and 2 gilts) per pen. The treatments were: Control (CON) - basal diet, and basal diet with 3% and 6% almond hull as treatment (TRT) 1 and 2, respectively. The results show a significant increase (p < 0.05) in average daily gain (ADG) and average daily feed intake (ADFI) for both treatment 1 and treatment 2 by week 6 when compared to the control group. This improvement in ADG and ADFI exhibits a consistent trend (p < 0.10) throughout the overall trial period in comparison to the control group. Additionally, there is a tendency for enhanced gain ratio to feed (G:F) at the end of week 6 (p < 0.10) in comparison to the control group and remained constant (p > 0.05). No significant impact (p > 0.05) on nutrient digestibility and fecal microbiota was observed. However, NH3 gas showed a tendency to decrease (p < 0.10). Results suggested that almond hulls could improve growth and reduce ammonia gas without adverse effects on digestion, microbiota, and fecal score.

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来源期刊

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

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.