No-Antibiotic-Pectin-Based Treatment Differently Modified Cloaca Bacteriobiome of Male and Female Broiler Chickens

Svetlana B. Lysko, Olga A. Baturina, Natalia B. Naumova, Nadezhda A. Lescheva, Valentina I. Pleshakova and Marsel R. Kabilov
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Svetlana B. Lysko: Siberian Scientific Research Institute of Poultry Farming—Branch of the Federal State Budget Scientific Institution “Omsk Agrarian Scientific Center”, 644555 Omsk, Russia
Olga A. Baturina: Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
Natalia B. Naumova: Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
Nadezhda A. Lescheva: The Faculty of Veterinary Medicine, Stolypin Omsk State Agrarian University, 644008 Omsk, Russia
Valentina I. Pleshakova: The Faculty of Veterinary Medicine, Stolypin Omsk State Agrarian University, 644008 Omsk, Russia
Marsel R. Kabilov: Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia

Agriculture, 2021, vol. 12, issue 1, 1-16

Abstract: As the information about the effect of pectin prebiotics on chicken gut microbiota is scarce, by using high throughput metagenomic sequencing with Illumina Miseq we examined the cloaca bacteriobiome of male and female chickens receiving antibiotic- or pectin-containing drinking water. The bacteriobiome was dominated by two phyla (Firmicutes and Proteobacteria) and three classes (Clostridia, Bacilli and Gammaproteobacteria), with the difference displayed by the relative abundance of 42 OTUs. At the level of the major dominant OTUs, prebiotic supplementation drastically increased Enterococcus abundance (from 0 to 11% and 23% in males and females, respectively). The better feed use efficiency and growth performance of the pectin-receiving chickens implied their better health and corroborated putative beneficial role of the altered bacteriobiome, although its ecophysiological and/or pathogenic importance could not be readily inferred. Notably, the gut microbiota response to antibiotics showed more sex-related differential OTUs as compared to the pectin prebiotic (19 vs. 4), suggesting different mechanisms of the studied supplementations in shaping the gut bacteriobiome in different sexes. Therefore, we recommend targeting sex as a separate factor in interventional studies to account for sex-specific peculiarities in the microbiome response and taking into account the male/female ratio of industrial flocks prior to choosing a production technology. The studied prebiotic (pectin) can be used in developing new pre/symbiotic preparations and supplementation regimes as alternatives to antibiotics for stimulating broiler chicken production.

Keywords: 16S rRNA gene; amplicon sequencing; chicken; prebiotic; gut microbiome (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2021
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