Effects of inorganic and organic selenium sources on the growth performance of broilers in China: A meta-analysis

This study aims to investigate the effects of different selenium (Se) sources on the growth performance of Chinese broilers and provide a scientific rationale for adding Se additives to broiler feed. Relevant studies that meet standard inclusion criteria were identified and extracted from China Nati...

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Autores principales:	Wei Chunbo, Lin Xiuwei, Zhang Ying, Wan Xuanchen, Wu Haotong, He Tao, Bi Kai, Wang Changping
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	broiler growth performance inorganic selenium organic selenium meta-analysis Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/7d34cd646904443c951a5d28931ae4fb
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spelling	oai:doaj.org-article:7d34cd646904443c951a5d28931ae4fb2021-12-05T14:10:40ZEffects of inorganic and organic selenium sources on the growth performance of broilers in China: A meta-analysis2391-541210.1515/biol-2021-0007https://doaj.org/article/7d34cd646904443c951a5d28931ae4fb2021-01-01T00:00:00Zhttps://doi.org/10.1515/biol-2021-0007https://doaj.org/toc/2391-5412This study aims to investigate the effects of different selenium (Se) sources on the growth performance of Chinese broilers and provide a scientific rationale for adding Se additives to broiler feed. Relevant studies that meet standard inclusion criteria were identified and extracted from China National Knowledge Infrastructure and Wanfang and Chinese Scientific Journal (VIP) databases. A total of 9 studies with 539 subjects were included. A meta-analysis was performed with STATA15.0 to estimate the combined standardized mean difference (SMD) with a 95% confidence interval (95% CI). Heterogeneity test of articles was examined by Q-test, and the results showed that P values of feed conversion ratio, average daily gain (ADG), and average daily intake were all less than 0.05, suggesting a strong heterogeneity among the selected literature. Therefore, the random effect model is selected to calculate the SMD of the three indexes. The combined SMDs (95% CI) of feed:gain, ADG, and average daily feed intake (ADFI) were −0.39 (−1.03, 0.25), 0.26 (−0.29, 0.81), and −1.45 (−3.09, 0.20), respectively, and the P values were all less than 0.05. This study shows that the absolute differences in the growth performance (feed:gain, ADG, and ADFI) of broilers fed with either organic or inorganic Se supplements at the same dose were quite small. The P values of Egger’s test were 0.770, 0.089, and 0.426, respectively, for the above indexes, showing no significant publication bias. Sensitivity analysis ensured the stability and reliability of the results. In summary, the effects of organic and inorganic Se in feed on the growth performance of broilers are statistically equal.Wei ChunboLin XiuweiZhang YingWan XuanchenWu HaotongHe TaoBi KaiWang ChangpingDe Gruyterarticlebroilergrowth performanceinorganic seleniumorganic seleniummeta-analysisBiology (General)QH301-705.5ENOpen Life Sciences, Vol 16, Iss 1, Pp 31-38 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	broiler growth performance inorganic selenium organic selenium meta-analysis Biology (General) QH301-705.5
spellingShingle	broiler growth performance inorganic selenium organic selenium meta-analysis Biology (General) QH301-705.5 Wei Chunbo Lin Xiuwei Zhang Ying Wan Xuanchen Wu Haotong He Tao Bi Kai Wang Changping Effects of inorganic and organic selenium sources on the growth performance of broilers in China: A meta-analysis
description	This study aims to investigate the effects of different selenium (Se) sources on the growth performance of Chinese broilers and provide a scientific rationale for adding Se additives to broiler feed. Relevant studies that meet standard inclusion criteria were identified and extracted from China National Knowledge Infrastructure and Wanfang and Chinese Scientific Journal (VIP) databases. A total of 9 studies with 539 subjects were included. A meta-analysis was performed with STATA15.0 to estimate the combined standardized mean difference (SMD) with a 95% confidence interval (95% CI). Heterogeneity test of articles was examined by Q-test, and the results showed that P values of feed conversion ratio, average daily gain (ADG), and average daily intake were all less than 0.05, suggesting a strong heterogeneity among the selected literature. Therefore, the random effect model is selected to calculate the SMD of the three indexes. The combined SMDs (95% CI) of feed:gain, ADG, and average daily feed intake (ADFI) were −0.39 (−1.03, 0.25), 0.26 (−0.29, 0.81), and −1.45 (−3.09, 0.20), respectively, and the P values were all less than 0.05. This study shows that the absolute differences in the growth performance (feed:gain, ADG, and ADFI) of broilers fed with either organic or inorganic Se supplements at the same dose were quite small. The P values of Egger’s test were 0.770, 0.089, and 0.426, respectively, for the above indexes, showing no significant publication bias. Sensitivity analysis ensured the stability and reliability of the results. In summary, the effects of organic and inorganic Se in feed on the growth performance of broilers are statistically equal.
format	article
author	Wei Chunbo Lin Xiuwei Zhang Ying Wan Xuanchen Wu Haotong He Tao Bi Kai Wang Changping
author_facet	Wei Chunbo Lin Xiuwei Zhang Ying Wan Xuanchen Wu Haotong He Tao Bi Kai Wang Changping
author_sort	Wei Chunbo
title	Effects of inorganic and organic selenium sources on the growth performance of broilers in China: A meta-analysis
title_short	Effects of inorganic and organic selenium sources on the growth performance of broilers in China: A meta-analysis
title_full	Effects of inorganic and organic selenium sources on the growth performance of broilers in China: A meta-analysis
title_fullStr	Effects of inorganic and organic selenium sources on the growth performance of broilers in China: A meta-analysis
title_full_unstemmed	Effects of inorganic and organic selenium sources on the growth performance of broilers in China: A meta-analysis
title_sort	effects of inorganic and organic selenium sources on the growth performance of broilers in china: a meta-analysis
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/7d34cd646904443c951a5d28931ae4fb
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Effects of inorganic and organic selenium sources on the growth performance of broilers in China: A meta-analysis

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