Publications by authors named "A A Oladeinde"

Article Synopsis
  • - The study aimed to investigate the effects of replacing soybean meal (SBM) with canola meal (CM) or corn-distillers' dried grains with solubles (cDDGS) in reduced-protein diets on infected broiler chicks, using a sample of 1,120 birds divided into various diet and infection groups.
  • - Results indicated that while the diet had little effect on uninfected birds, the RP-SBM diet led to higher weight gain in infected birds and significant immune responses, such as increased bile anti-IgA and splenocyte proliferation.
  • - The findings suggest that partial replacement of SBM with CM or cDDGS offers minimal benefits, with only the RP-SBM diet showing notable positive outcomes
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Chicken ceca are a rich source of bacteria, including zoonotic pathogens such as Salmonella enterica. The microbiota includes strains/species carrying antimicrobial resistance genes and horizontal transfer of resistance determinants between species may increase the risk to public health and farming systems. Possible sources of these antimicrobial resistance donors - the eggshell carrying bacteria from the hen vertically transmitted to the offspring, or the barn environment where chicks are hatched and raised - has been little explored.

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Article Synopsis
  • Increased consumer interest in pasture-raised, antibiotic-free poultry has led to more pastured poultry operations in the U.S., raising concerns about Campylobacter exposure.
  • A study sampled 40 pastured poultry flocks across nine farms, revealing a Campylobacter prevalence of 47.91%, with the highest load in the caeca and the lowest in whole carcass rinses.
  • Campylobacter jejuni and Campylobacter coli were the most common isolates found, with significant antibiotic resistance, particularly to tetracycline, but low rates of multidrug resistance were observed.
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Networks are widely used to represent relationships between objects, including microorganisms within ecosystems, based on high-throughput sequencing data. However, challenges arise with appropriate statistical algorithms, handling of rare taxa, excess zeros in compositional data, and interpretation. This work introduces a novel Slope-Matrix-Graph (SMG) algorithm to identify microbiome correlations primarily based on slope-based distance calculations.

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