Madison T. Henniger
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View article: Dataset of the Effects of a Low Dose of Isoflavones in Beef Cattle Undergoing Tall Fescue Toxicosis
Dataset of the Effects of a Low Dose of Isoflavones in Beef Cattle Undergoing Tall Fescue Toxicosis Open
Tall fescue toxicosis negatively impacts blood flow, elevates body temperature, and reduces beef cattle’s average daily gain (ADG). In previous studies, isoflavones have diminished the symptoms of tall fescue toxicosis in ruminants. Theref…
View article: Prevalence of nasopharyngeal bacteria during naturally occurring bovine respiratory disease in commercial stocker cattle
Prevalence of nasopharyngeal bacteria during naturally occurring bovine respiratory disease in commercial stocker cattle Open
Bovine respiratory disease (BRD) is one of the most common economic and health challenges to the beef cattle industry. Prophylactic use of antimicrobial drugs can alter the microbial communities in the respiratory tract. Considering that t…
View article: Performance improvements and increased ruminal microbial interactions in Angus heifers via supplementation with native rumen bacteria during high-grain challenge
Performance improvements and increased ruminal microbial interactions in Angus heifers via supplementation with native rumen bacteria during high-grain challenge Open
View article: Pregnancy influences on the rumen environment of Angus heifers differing in feed efficiency
Pregnancy influences on the rumen environment of Angus heifers differing in feed efficiency Open
With an expected increase in population by 2050, the demand for high-quality protein for human consumption will increase. To improve the sustainability of US cattle production, producers and researchers have historically focused on improvi…
View article: 90 Interconnecting feed efficiency with molecular mechanisms of muscle growth in beef steers
90 Interconnecting feed efficiency with molecular mechanisms of muscle growth in beef steers Open
Feed efficiency is an important factor for improving the sustainability and economic value of beef production. Although feed efficiency is moderately heritable, it is a complex trait affected by numerous factors such as diet, the rumen mic…
View article: Effects of protein concentration and beta-adrenergic agonists on ruminal bacterial communities in finishing beef heifers
Effects of protein concentration and beta-adrenergic agonists on ruminal bacterial communities in finishing beef heifers Open
To improve animal performance and modify growth by increasing lean tissue accretion, beef cattle production has relied on use of growth promoting technologies such as beta-adrenergic agonists. These synthetic catecholamines, combined with …
View article: Validation of a minimally-invasive method for sampling epithelial-associated microorganisms on the rumen wall
Validation of a minimally-invasive method for sampling epithelial-associated microorganisms on the rumen wall Open
The rumen microbiome provides approximately 70% of the required energy for the host by converting low-quality feedstuffs into usable energy for ruminants. The energy produced by the microorganisms is subsequently absorbed through the rumen…
View article: Blood parameters associated with residual feed intake in beef heifers
Blood parameters associated with residual feed intake in beef heifers Open
View article: Rumen biogeographical regions and their impact on microbial and metabolome variation
Rumen biogeographical regions and their impact on microbial and metabolome variation Open
The rumen microbiome is a complex microbial network critical to the health and nutrition of its host, due to their inherent ability to convert low-quality feedstuffs into energy. In rumen microbiome studies, samples from the ventral sac ar…
View article: Bacterial Communities of the Uterus and Rumen During Heifer Development With Protein Supplementation
Bacterial Communities of the Uterus and Rumen During Heifer Development With Protein Supplementation Open
Bacterial communities play major roles in rumen and uterine function toward optimal animal performance and may be affected by changes occurring during heifer development such as nutritional supplementation for optimal growth and the attain…
View article: Ruminal Bacterial Communities and Metabolome Variation in Beef Heifers Divergent in Feed Efficiency
Ruminal Bacterial Communities and Metabolome Variation in Beef Heifers Divergent in Feed Efficiency Open
This study determined potential microbial and metabolic biomarkers of feed efficiency in Angus heifers. Seventeen ruminal cannulated Angus heifers underwent a 70-day feed efficiency trial. Residual feed intake was used to determine high an…
View article: Effects of a Moderate or Aggressive Implant Strategy on the Rumen Microbiome and Metabolome in Steers
Effects of a Moderate or Aggressive Implant Strategy on the Rumen Microbiome and Metabolome in Steers Open
The effects of growth-promoting implants have been well-defined for their ability to impact growth performance in beef cattle. Production-relevant microbes and microbiomes in the rumen have also been associated with growth traits. However,…
View article: 32 Bacterial Communities in the Uterus and Rumen of Beef Heifers Throughout Development with Protein Supplementation
32 Bacterial Communities in the Uterus and Rumen of Beef Heifers Throughout Development with Protein Supplementation Open
Protein supplementation to replacement heifers is utilized to reach targeted body weights, which may affect the animal’s gut and reproductive microbiomes and potentially impact breeding outcomes. The objective of the study was to evaluate …
View article: 18 Effects of Protein Concentration, Degradability, and Beta-adrenergic Agonists on Ruminal Microbial Communities in Finishing Heifers
18 Effects of Protein Concentration, Degradability, and Beta-adrenergic Agonists on Ruminal Microbial Communities in Finishing Heifers Open
To improve animal performance and modify growth by increasing lean tissue accretion, beef cattle production has relied on use of growth promoting technologies such as beta-adrenergic agonists. These synthetic catecholamines, combined with …
View article: Considerations and best practices in animal science 16S ribosomal RNA gene sequencing microbiome studies
Considerations and best practices in animal science 16S ribosomal RNA gene sequencing microbiome studies Open
Microbiome studies in animal science using 16S rRNA gene sequencing have become increasingly common in recent years as sequencing costs continue to fall and bioinformatic tools become more powerful and user-friendly. The combination of mol…
View article: Feeding an acetate-based oral electrolyte reduces the ex vivo Escherichia coli growth potential in the abomasum of calves fed oral electrolytes alone or 30 minutes following a milk feeding compared with feeding a bicarbonate-based oral electrolyte
Feeding an acetate-based oral electrolyte reduces the ex vivo Escherichia coli growth potential in the abomasum of calves fed oral electrolytes alone or 30 minutes following a milk feeding compared with feeding a bicarbonate-based oral electrolyte Open
Oral electrolyte solutions (OES) are a common, on-farm therapy to reestablish hydration and electrolyte balances in scouring and stressed calves. The objectives were to determine the effects of OES alkalinizing agent and the presence of a …
View article: PSIX-28 Parity and lactation stage affect the sow milk microbiome
PSIX-28 Parity and lactation stage affect the sow milk microbiome Open
The milk microbiome in swine has been recently demonstrated to develop and alter the growing gut microbiome in offspring. Milk is the primary nutritional source for piglets and the established microbial communities from initial diet remain…
View article: Data of bacterial community dynamics resulting from total rumen content exchange in beef cattle
Data of bacterial community dynamics resulting from total rumen content exchange in beef cattle Open
Objectives Extensive efforts have been made to characterize the rumen microbiome under various conditions. However, few studies have addressed the long-term impacts of ruminal microbiome dysbiosis and the extent of host control over microb…
View article: PSI-10 Effects of a Moderate and Aggressive Implant Strategy on the Rumen Microbial Community in Steers
PSI-10 Effects of a Moderate and Aggressive Implant Strategy on the Rumen Microbial Community in Steers Open
The effects of growth-promoting implant strategies have been well-defined in research for their ability to impact growth performance in beef cattle. Production-relevant microbiomes in the rumen have also been associated with growth traits.…
View article: Classification of 16S rRNA reads is improved using a niche-specific database constructed by near-full length sequencing
Classification of 16S rRNA reads is improved using a niche-specific database constructed by near-full length sequencing Open
Surveys of microbial populations in environmental niches of interest often utilize sequence variation in the gene encoding the ribosomal small subunit (the 16S rRNA gene). Generally, these surveys target the 16S genes using semi-degenerate…
View article: PSI-18 Rumen fluid metabolites associated with feed efficiency in Angus steers
PSI-18 Rumen fluid metabolites associated with feed efficiency in Angus steers Open
The functional capacity of the rumen is central to ruminant feed efficiency, and therefore,differences in ruminal metabolism may contribute to cattle feed efficiency variations. The objective of this study was to determine differences in r…
View article: PSI-17 A 16S rDNA reference database of the deep-nasopharynx in steers for bacterial community analysis of cattle with bovine respiratory disease complex
PSI-17 A 16S rDNA reference database of the deep-nasopharynx in steers for bacterial community analysis of cattle with bovine respiratory disease complex Open
Bovine respiratory disease complex (BRDC) is caused by a variety of complex factors that involves host elements, environmental elements, inadequate management and housing, as well as viral and bacterial pathogens, such as Mannheimia haemol…