Effects of Adding Garlic Essential Oil into Drinking Water on Growth Performance, Intestinal Tissue Morphology and Cecum Microbial Flora of Layer Hens

XU Jing; ZHANG Ziru; WANG Dehe; CHEN Yifan; LIU Xuelu; ZHANG He; HUANG Chenxuan; LIU Meng; ZHANG Bo; HOU Jianku; ZHOU Rongyan; CHEN Hui; DI Keqian

doi:10.3969/j.issn.1006-267x.2021.01.031

2021 , Vol. 33 >Issue 1: 308 - 316

DOI: https://doi.org/10.3969/j.issn.1006-267x.2021.01.031

Effects of Adding Garlic Essential Oil into Drinking Water on Growth Performance, Intestinal Tissue Morphology and Cecum Microbial Flora of Layer Hens

XU Jing ,
ZHANG Ziru ,
WANG Dehe ,
CHEN Yifan ,
LIU Xuelu ,
ZHANG He ,
HUANG Chenxuan ,
LIU Meng ,
ZHANG Bo ,
HOU Jianku ,
ZHOU Rongyan ,
CHEN Hui ,
DI Keqian

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1. College of Animal Science and Technology, Agricultural University of Hebei, Baoding 071001, China;
2. Agricultural and Rural Bureau of Shunping County in Baoding City, Baoding 071001, China;
3. School of Basic Medicine, Hebei University, Baoding 071001, China

Received date: 2020-06-27

Online published: 2021-01-18

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Abstract

This experiment was conducted to investigate the effects of adding garlic essential oil in drinking water on growth performance, intestinal tissue morphology and cecum microbial flora of layer hens. A total of 200 one-day-old China Agricultural University No.3 layer hens with good health condition and similar body weight were randomly divided into 4 groups. Each group contained 5 replicates and every replicate had 10 chickens. Layer hens in the 4 groups were provided with the same basal diet. Chickens in the control group drunk normally and the three test groups added garlic essential oil into the drinking water to make the concentration of 0.04, 0.06 and 0.08 mL/L, respectively. The experiment period was 56 d. The body weight and feed intake were recorded every week during the experiment period. Laying hens were slaughtered at the 56th day of the experiment. The results showed as follows: compared with the control group, adding 0.04, 0.06 and 0.08 mL/L garlic essential oil into the drinking water could extremely significantly increase the average daily gain (P<0.01) and extremely significantly reduce the feed to gain ratio (P<0.01), and adding 0.06 mL/L garlic essential oil had the most obvious effect; adding 0.06 mL/L garlic essential oil into the drinking water could extremely significantly reduce the crypt depth of duodenum (P<0.01), significantly decrease the crypt depth of ileum and jejunum (P<0.05), extremely significantly increase the ratio of villus height to crypt depth of ileum (P<0.01), and significantly increase the ratio of villus height to crypt depth of duodenum (P<0.05); adding 0.06 mL/L garlic essential oil into the drinking water could significantly increase the relative abundances of Alistipes and Phascolarctobacterium in cecum (P<0.05). In summary, adding 0.06 mL/L garlic essential oil into the drinking water can improve the intestinal tissue morphology, increase the colonization of beneficial bacteria, and improve the growth performance of laying hens.

Key words： laying hens; garlic essential oil; growth performance; intestinal tissue morphology; cecum microbial flora

Cite this article

XU Jing , ZHANG Ziru , WANG Dehe , CHEN Yifan , LIU Xuelu , ZHANG He , HUANG Chenxuan , LIU Meng , ZHANG Bo , HOU Jianku , ZHOU Rongyan , CHEN Hui , DI Keqian . Effects of Adding Garlic Essential Oil into Drinking Water on Growth Performance, Intestinal Tissue Morphology and Cecum Microbial Flora of Layer Hens[J]. Chinese Journal of Animal Nutrition, 2021 , 33(1) : 308 -316 . DOI: 10.3969/j.issn.1006-267x.2021.01.031

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