Effects of Different Supplemental Types of Acidifier on Growth Performance and Intestinal Development of Broilers

SHEN Yiru; ZHONG Guang; HU Yan; ZHANG Shan; YAN Lei; SHI Shourong

doi:10.3969/j.issn.1006-267x.2022.04.028

Chinese Journal of Animal Nutrition >

2022 , Vol. 34 >Issue 4: 2324 - 2333

DOI: https://doi.org/10.3969/j.issn.1006-267x.2022.04.028

Effects of Different Supplemental Types of Acidifier on Growth Performance and Intestinal Development of Broilers

SHEN Yiru ,
ZHONG Guang ,
HU Yan ,
ZHANG Shan ,
YAN Lei ,
SHI Shourong

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1. Poultry Institute, Chinese Academy of Agricultural Science, Yangzhou 225125, China;
2. New Hope Liuhe Feed Co., Ltd., Qingdao 266100, China

Received date: 2021-09-18

Online published: 2022-04-14

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Abstract

The objective of this study was to evaluate the effects of different supplemental types of acidifier on growth performance and intestinal development of broilers. Fifty hundred and twelve 1-day-old healthy broilers with similar body weight were randomly divided into 4 groups with 8 replicates per group and 18 broilers per replicate. Broilers in the normal control group (group NC) were fed basal diet and basal drinking water, broilers in the positive control group (group PC) were fed basal diet+20 mg/kg virginiamycin and basal drinking water, broilers in the water acidifier group (group WA) were fed basal diet and basal drinking water with 0.1% acidifiers, and broilers in the feed acidifier group (group FA) were fed basal diet+0.2% acidifiers and basal drinking water. The experiment lasted for 42 days. The results showed as follows:1) compared with the NC group, the European profit index of groups WA and FA were significant increased (P<0.05), and had no significant difference with group PC (P>0.05). Compared with the NC group, the mortality of group FA was significantly decreased (P<0.05). 2) Compared with the NC group, the crypt depth in duodenum at 21 days of age of groups WA and FA was significantly decreased (P<0.05), the villus height/crypt depth in duodenum at 21 and 42 days of age was significantly increased (P<0.05), and had no significant difference with group PC (P>0.05). Compared with the NC group, the villus height/crypt depth in jejunum at 42 days of age of group FA was significantly increased (P<0.05), the villus height/crypt depth in ileum at 21 days of age was significantly increased (P<0.05), and had no significant difference with group PC (P>0.05). 3) Compared with the NC group, the number of goblet cells in duodenum and jejunum at 21 days of age of group FA was significantly increased (P<0.05), and the number of goblet cells in jejunum at 42 days of age was significantly increased (P<0.05). Compared with the NC group, the mRNA relative expression level of Claudin-2 in jejunum at 21 days of age of groups WA and FA was significantly increased (P<0.05), and the mRNA relative expression level of Claudin-3 in jejunum at 21 and 42 days of age of group FA was significantly increased (P<0.05). In conclusion, diet and water supplemented acidifier can enhance the growth performance of broilers as antibiotics, and enhance the intestinal development better than antibiotics; diet supplemented acidifier has better enhancement effects on growth performance and intestinal development of broilers than water supplemented acidifier.

Key words： broilers; supplemental types; acidifier; growth performance; intestinal development

Cite this article

SHEN Yiru , ZHONG Guang , HU Yan , ZHANG Shan , YAN Lei , SHI Shourong . Effects of Different Supplemental Types of Acidifier on Growth Performance and Intestinal Development of Broilers[J]. Chinese Journal of Animal Nutrition, 2022 , 34(4) : 2324 -2333 . DOI: 10.3969/j.issn.1006-267x.2022.04.028

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