R.R. Marquardt

Effect of Enzyme Supplementation on the Performance and Digestive Tract Size of Broiler Chickens Fed Wheat- and Barley-Based Diets

A. Brenes, M.O. Smith, W. Guenter et al. · Poultry Science · 1993 · 224 citations · Full text

Nutrition, Engineering, Agricultural Economics +18

Response of early-weaned pigs to an enterotoxigenic Escherichia coli (K88) challenge when fed diets containing spray-dried porcine plasma or pea protein isolate plus egg yolk antibody, zinc oxide, fumaric acid, or antibiotic1

A. Owusu-Asiedu, C. M. Nyachoti, R.R. Marquardt · Journal of Animal Science · 2003 · 204 citations

The Effect of Enzyme Supplementation on the Apparent Metabolizable Energy and Nutrient Digestibilities of Wheat, Barley, Oats, and Rye for the Young Broiler Chick

O.D. FRIESEN, W. Guenter, R.R. Marquardt et al. · Poultry Science · 1992 · 159 citations · Full text

A Strain of <i>Enterococcus faecium</i> (18C23) Inhibits Adhesion of Enterotoxigenic <i>Escherichia coli</i> K88 to Porcine Small Intestine Mucus

R.R. Marquardt, Xin Zhao · Applied and Environmental Microbiology · 2000 · 139 citations

Pharmacokinetics of Ochratoxin A and Its Metabolites in Rats

Sheng Li, R.R. Marquardt, A. A. Frohlich et al. · Toxicology and Applied Pharmacology · 1997 · 125 citations

Pharmacological Study, Medicine, Toxicology +5