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Nutrition Commons

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Animal Sciences

University of Kentucky

Microbial colonization

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Full-Text Articles in Nutrition

Factors Influencing Mare Milk And Foal Gastrointestinal Health, Morgan Brewer Pyles Jan 2021

Factors Influencing Mare Milk And Foal Gastrointestinal Health, Morgan Brewer Pyles

Theses and Dissertations--Animal and Food Sciences

Foals are born lacking a functional microbial community in their gastrointestinal tract (GIT). However, these microbes quickly colonize after birth. Factors influencing the process of microbial colonization and health of the foal’s gastrointestinal tract, such as milk yield and composition, are not well understood. Milk contains non-lactose carbohydrates termed “oligosaccharides”, which serve as prebiotics in human neonates and may serve a similar function in foals. Three animal studies were conducted to evaluate factors influencing mare milk and digestive health in the foal. In experiment 1, bacteria were enumerated and identified in foal feces and the utilization of different carbohydrates by …


Effect Of Maternal Diet On Select Fecal Bacteria In Mares And Their Foals, Morgan Brewer Pyles Jan 2016

Effect Of Maternal Diet On Select Fecal Bacteria In Mares And Their Foals, Morgan Brewer Pyles

Theses and Dissertations--Animal and Food Sciences

The process of microbial colonization in the gastrointestinal tract of foals and the factors influencing this process are not well understood. The objectives were to determine the effect of starch source in pelleted concentrates in the maternal diet on select fecal bacterial groups in mares and their foals and to evaluate changes in these bacterial groups over time. Thoroughbred foals (n=19) were from dams fed one of two concentrates: an oat-based (OB) or corn and wheat middling-based (CWB) pelleted concentrate. Fecal samples were collected from mares at 324 d of gestation, pre-foaling, 1 d, 14 d, and 28 d after …