Alterations in the gut microbial composition and diversity associated with diarrhea in neonatal Peruvian alpacas

Zapata, Celso; Estrada, Richard; Oros, Oscar; Sánchez, Diana; Maicelo, Jorge L.; Arbizu, Carlos I.; Coila, Pedro

doi:10.1016/j.smallrumres.2024.107273

Small Ruminant Research

2024

DOI: 10.1016/j.smallrumres.2024.107273

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Alterations in the gut microbial composition and diversity associated with diarrhea in neonatal Peruvian alpacas

Celso Zapata,

Richard Estrada,

Oscar Oros

et al.

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2024

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Cited by 2 publications

References 61 publications

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Effects of Age in Fecal Microbiota and Correlations with Blood Parameters in Genetic Nucleus of Cattle

Estrada,

Romero,

Figueroa

et al. 2024

Microorganisms

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This study aimed to determine the impact of age on the fecal microbiota in the genetic nucleus of cattle, with a focus on microbial richness, composition, functional diversity, and correlations with blood parameters. Fecal and blood samples from 21 cattle were analyzed using 16S rRNA gene sequencing. Older cattle exhibited greater bacterial diversity and abundance, with significant changes in alpha diversity indices (p < 0.05). Beta diversity analysis revealed significant variations in microbial composition between age groups and the interaction of age and sex (p < 0.05). Correlations between alpha diversity, community composition, and hematological values highlighted the influence of microbiota on bovine health. Beneficial butyrate-producing bacteria, such as Ruminococcaceae, were more abundant in older cattle, suggesting a role in gut health. Functional diversity analysis indicated that younger cattle had significantly more abundant metabolic pathways in fermentation and anaerobic chemoheterotrophy. These findings suggest management strategies including tailored probiotic therapies, dietary adjustments, and targeted health monitoring to enhance livestock health and performance. Further research should include comprehensive metabolic analyses to better correlate microbiota changes with age-related variations, enhancing understanding of the complex interactions between microbiota, age, and reproductive status.

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Effects of Age in Fecal Microbiota and Correlations with Blood Parameters in Genetic Nucleus of Cattle

Estrada,

Romero,

Figueroa

et al. 2024

Microorganisms

View full text Add to dashboard Cite

show abstract

Changes in Gut Microbiota in Peruvian Cattle Genetic Nucleus by Breed and Correlations with Beef Quality

Quilcate,

Estrada,

Romero

et al. 2024

Veterinary Sciences

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This study evaluated the gut microbiota and meat quality traits in 11 healthy female cattle from the Huaral region of Peru, including 5 Angus, 3 Braunvieh, and 3 F1 Simmental × Braunvieh. All cattle were 18 months old and maintained on a consistent lifelong diet. Meat quality traits, including loin area, fat thickness, muscle depth, and marbling, were assessed in vivo using ultrasonography. Fecal samples were collected for microbiota analysis, and DNA was extracted for 16S and 18S rRNA sequencing to characterize bacterial, fungal, and protist communities. Significant correlations were observed between microbial genera and meat traits: Christensenellaceae R-7 and Alistipes were positively associated with marbling and muscle area, while Rikenellaceae RC9 showed a negative correlation with fat thickness. Among fungi, Candida positively correlated with marbling, while Trichosporon was negatively associated with muscle depth. For protists, Entodinium negatively correlated with fat thickness and marbling. Alpha diversity varied by breed, with Angus showing greater bacterial diversity, and beta diversity analyses indicated a strong breed influence on microbial composition. These findings suggest that microbial composition, shaped by breed and dietary consistency, could serve as an indicator of meat quality, offering insights into gut microbiota’s role in optimizing cattle production.

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Alterations in the gut microbial composition and diversity associated with diarrhea in neonatal Peruvian alpacas

Cited by 2 publications

References 61 publications

Effects of Age in Fecal Microbiota and Correlations with Blood Parameters in Genetic Nucleus of Cattle

Effects of Age in Fecal Microbiota and Correlations with Blood Parameters in Genetic Nucleus of Cattle

Changes in Gut Microbiota in Peruvian Cattle Genetic Nucleus by Breed and Correlations with Beef Quality

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