Role of diverse fermentative factors towards microbial community shift in ruminants

Faniyi, Tolulope Oreoluwa; Adegbeye, Moyosore J.; Elghandour, Mona M.M.Y.; Pilego, Alberto Barbabosa; Salem, Abdelfattah Z.M.; Olaniyi, T.A.; Adediran, Oyeduntan Adejoju; Adewumi, M. K.

doi:10.1111/jam.14212

Cited by 53 publications

(29 citation statements)

References 50 publications

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“…Clostridiales and Bacteroidales), our statistical elaboration depicted a negative correlation with the diversity of the milk microbiomes. Such chemicals have a dose‐dependent inhibitory effect towards several bacterial groups, because of the diffusion through the cell membrane and further dissociation at the cytoplasm level (Faniyi et al ., 2019). Narrowing the investigation to LAB, we confirmed that most of the above farming conditions and physicochemical parameters (e.g.…”

Section: Discussionmentioning

confidence: 99%

How multiple farming conditions correlate with the composition of the raw cow's milk lactic microbiome

Nikoloudaki

Lemos

Borruso

et al. 2021

Environmental Microbiology

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Questionnaires on farming conditions were retrieved from 2129 dairy farms and clustered, resulting in 106 representative raw cow's milk samples analysed in winter and summer. Substantiating the efficiency of our survey, some farming conditions affected the milk physicochemical composition. Culturing identified several species of lactic acid bacteria (LAB) per milk, whose number increased through 16S ribosomal RNA (rRNA) gene sequencing and shotgun metagenome analyses. Season, indoor versus outdoor housing, cow numbers, milk substitutes, ratio cattle/rest area, house care system during lactation, and urea and medium-chain fatty acids correlated with the overall microbiome composition and the LAB diversity within it. Shotgun metagenome detected variations in gene numbers and uniqueness per milk. LAB functional pathways differed among milk samples. Focusing on amino acid metabolisms and matching the retrieved annotated genes versus non-starter lactic acid bacteria (NSLAB) references from KEGG and corresponding to those identified, all samples had the same gene spectrum for each pathway. Conversely, gene redundancy varied among samples and agreed with NSLAB diversity. Milk samples with higher numbers of NSLAB species harboured higher number of copies per pathway, which would enable steady-state towards perturbations. Some farming conditions, which affected the microbiome richness, also correlated with the NSLAB composition and functionality.

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Section: Discussionmentioning

confidence: 99%

How multiple farming conditions correlate with the composition of the raw cow's milk lactic microbiome

Nikoloudaki

Lemos

Borruso

et al. 2021

Environmental Microbiology

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“…The increase in SCFA with decreasing roughage indicates that there was higher digestibility, which enhanced microbial proliferation and metabolites. Ruminal pH is a parameter that indicates the state of acidity and alkalinity of the rumen, and could be used to predict the type of diet fed to animal (Faniyi et al ). In this study, despite the increase in digestibility of high‐ concentrate diet, the pH was within the optimal range of 6·0–6·8 (Kamra ; Ososanya et al ).…”

Section: Discussionmentioning

confidence: 99%

Role of dose‐dependent Lactobacillus farciminis on ruminal microflora biogases and fermentation activities of three silage‐based rations

et al. 2019

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Aims The influence of Lactobacillus farciminis on ruminal fermentation characteristics was elucidated in this study. Methods and Results Ruminal fermentation was conducted using maize silage ration (R) and concentrate (C) as 75R:25C, 50R:50C and 25R:75C, supplemented with lactic acid bacteria (LB) at 0, 20 and 30 mg g−1 dry matter substrate and their interaction (1st experiment). The same LB product was used at 0, 20, 40 and 60 mg g−1 dry matter of the mixture (1 : 1) of oat straw and concentrate for 48 h of incubation (2nd experiment). At 24 and 48 h of incubation, LB0 produced the highest biogas and LB20 produced the lowest, whereas at 48 h of incubation LB40 produced the lowest. In ration x LB, LB40 resulted in the highest biogas production, while LB0 had the lowest (P < 0·001) at 8, 10 and 12 h of incubation. Inclusions of LB0, 20, 40 and 60 mg g−1 dry matter resulted in a linear increase (P < 0·003) in the asymptotic biogas production and fermentation parameters in a dose‐dependent manner, except in pH which decreased (P = 0·029). Conclusions The use of L. farciminis in diet with high level of concentrate without any adverse effect on the pH of rumen fluid to the point of acidosis. Furthermore, in high forage diet, the use of L. farciminis would help to improve the ruminal fermentation digestibility and mitigate ruminal biogas production. Significance and Impact of the Study Using Lactobacillus as a feed additive can improve ruminal fermentation activities by maintaining the stability of pH in the rumen and improving the feed utilization through manipulation of the microbial ecosystem.

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“…Optimal rumen health is a prerequisite for animal welfare and profitable production. A rumen is healthy when there are abundance of favourable/beneficial microbes, large rumen papillae for an efficient nutrient absorption, possesses good barrier function and support good fibre digestibility (Faniyi et al ) and a well‐regulated rumen pH. The pH is a direct homoeostatic result of the acid–base balance regulation efforts of the rumen and the host (Aschenbach et al ).…”

Section: Introductionmentioning

confidence: 99%

Dynamic role of single‐celled fungi in ruminal microbial ecology and activities

Elghandour

Khusro²,

Adegbeye

et al. 2019

J Appl Microbiol

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Summary In ruminants, high fermentation capacity is necessary to develop more efficient ruminant production systems. Greater level of production depends on the ability of the microbial ecosystem to convert organic matter into precursors of milk and meat. This has led to increased interest by animal nutritionists, biochemists and microbiologists in evaluating different strategies to manipulate the rumen biota to improve animal performance, production efficiency and animal health. One of such strategies is the use of natural feed additives such as single‐celled fungi yeast. The main objectives of using yeasts as natural additives in ruminant diets include; (i) to prevent rumen microflora disorders, (ii) to improve and sustain higher production of milk and meat, (iii) to reduce rumen acidosis and bloat which adversely affect animal health and performance, (iv) to decrease the risk of ruminant‐associated human pathogens and (v) to reduce the excretion of nitrogenous‐based compounds, carbon dioxide and methane. Yeast, a natural feed additive, has the potential to enhance feed degradation by increasing the concentration of volatile fatty acids during fermentation processes. In addition, microbial growth in the rumen is enhanced in the presence of yeast leading to the delivery of a greater amount of microbial protein to the duodenum and high nitrogen retention. Single‐celled fungi yeast has demonstrated its ability to increase fibre digestibility and lower faecal output of organic matter due to improved digestion of organic matter, which subsequently improves animal productivity. Yeast also has the ability to alter the fermentation process in the rumen in a way that reduces methane formation. Furthermore, yeast inclusion in ruminant diets has been reported to decrease toxins absorption such as mycotoxins and promote epithelial cell integrity. This review article provides information on the impact of single‐celled fungi yeast as a feed supplement on ruminal microbiota and its function to improve the health and productive longevity of ruminants.

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Role of diverse fermentative factors towards microbial community shift in ruminants

Cited by 53 publications

References 50 publications

How multiple farming conditions correlate with the composition of the raw cow's milk lactic microbiome

How multiple farming conditions correlate with the composition of the raw cow's milk lactic microbiome

Role of dose‐dependent Lactobacillus farciminis on ruminal microflora biogases and fermentation activities of three silage‐based rations

Dynamic role of single‐celled fungi in ruminal microbial ecology and activities

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