Probiotic yeasts in livestock sector
Abstract
The increase in livestock production systems has resulted in serious environmental impact due to emission of greenhouse gases and the possibility of transfer of zoonotic diseases to humans. Initially, antimicrobial drugs used as feed additives to overcome these challenges led to the emergence of resistant pathogens and have now been banned. The current trend in animal nutrition is to provide feed that meets nutritional needs, maintains healthy status and lowers the possibilities of infection. Probiotics have been described by many researchers to be an effective natural strategy towards improving an animal’s health and performance. Probiotics are live microorganisms which confer health benefits on the host by modifying the intestinal microflora and probiotic yeasts have been used for decades as microbial feed additives. This review focuses on the positive influence of yeast supplementation in animal feed and some of the mechanisms by which these benefits are achieved have also been discussed.
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The addition of yeasts to ruminant diets as a probiotic can improve the gut microflora of the animal, especially in situations where sub-therapeutic antibiotic treatment is frequently used.
“It has also been shown that the addition of yeasts to ruminant diets as a probiotic can improve the gut microflora of the animal, especially in situations where sub-therapeutic antibiotic treatment is frequently used.”
From Brewer’s Spent Yeast (BSY), an Underutilized Brewing By-Product (2020) · cites this paper as [48]
Improvement in gut health from yeast addition to ruminant diets can lead to increased fiber digestibility, increased weight gain and reduced methane production.
“This improvement in gut health can lead to increased fiber digestibility, increased weight gain and reduced methane production [48].”
From Brewer’s Spent Yeast (BSY), an Underutilized Brewing By-Product (2020) · cites this paper as [48]
In other studies, an increase in weight in addition to overall health was noted with yeast addition to poultry diets.
“However, in other studies, an increase in weight in addition to overall health was noted [48].”
From Brewer’s Spent Yeast (BSY), an Underutilized Brewing By-Product (2020) · cites this paper as [48]
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Review article: yeast as probiotics – <i>Saccharomyces boulardii</i>
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Brewer’s Spent Yeast (BSY), an Underutilized Brewing By-Product
Jaeger, A., Arendt, E. K., Zannini, E., & Sahin, A. W. (2020) · Fermentation · doi:10.3390/fermentation6040123 · Cited by 172 · see citing works
- Authors
- Vohra, A., Syal, P., & Madan, A.
- Affiliations
- University of Delhi (IN)
- Corresponding author
- Vohra, Ashima
- ORCID
- Vohra, Ashima
- Venue
- Animal Feed Science and Technology
- Publisher
- Elsevier BV
- Published
- 2016-09
- Volume
- 219
- Pages
- 31-47
- ISSN
- 0377-8401 (ISSN-L)
- OpenAlex
- W2411514310
- Cited by
- 133
- References
- 4
- Citations by year
- 2026: 4 · 2025: 12 · 2024: 21 · 2023: 15 · 2022: 11 · 2021: 16 · 2020: 14 · 2019: 21 · 2018: 12 · 2017: 6 · 2016: 1
- FWCI
- 18.92
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Animal Feed Science and Technology (publishedVersion)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
- Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
- Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
- Keywords
- probiotic yeast, livestock, feed additives, yeast supplementation, animal nutrition, gut microbiota, antimicrobial resistance, zoonoses, greenhouse gas emissions, animal health
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