SelectedWorks - John Patience

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Selected Works of John Patience

Professor of Animal Science

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About John Patience

Present	Professor of Animal Science, Iowa State University
Institution Organization Position Type Position Title Time Period to Options Current Position Affiliate my profile with this Institution

Animal Sciences

Articles (96)

Evaluation of increased fiber, decreased amino acids, or decreased electrolyte ...

Journal of Animal Science (2021)

Emma T. Helm, John F. Patience, Matthew R. Romoser, Colin D. Johnson, et al.

In swine production, pig movement restrictions or packing plant closures may create the need to slow growth rates of finishing ...

Effects of continuously infusing glucose or casein into the terminal ...

Journal of Animal Science (2021)

Edith J. Mayorga, Erin A. Horst, Mohmmad Al-Qaisi, Brady M. Goetz, et al.

Study objectives were to determine the effects of continuously infusing glucose (GLC) or casein (CAS) into the terminal ileum on ...

Effect of xylanase supplementation on nutrient and energy digestibility at ...

Animal Feed Science and Technology (2021)

Sarah Ann Weiland and John Francis Patience

A digestibility trial was conducted to better understand how xylanase impacts diet utilization in pigs by measuring its impact on ...

A comparison of the release of phosphorus by a phytase ...

Journal of Animal Science (2021)

Kristin M. Olsen, Stacie A. Gould and John F. Patience

Previous research indicated that phytase may release less phosphorus (P) from phytate when it is evaluated using diets with P ...

Estimation of endogenous intestinal losses of acid hydrolyzed ether extract ...

Translational Animal Science (2021)

Jesus A. Acosta, R. Dean Boyd and John F. Patience

The approach of this experiment was to apply the regression method for the estimation of endogenous intestinal losses of ether ...

Xylanase modulates the microbiota of ileal mucosa and digesta of ...

PLoS ONE (2021)

Amy L. Petry, John F. Patience, Lucas R. Koester, Nichole F. Huntley, et al.

The experimental objective was to characterize the impact of insoluble corn-based fiber, xylanase, and an arabinoxylan-oligosaccharide on ileal digesta and ...

Nutritional approaches to slow late finishing pig growth: implications on ...

Journal of Animal Science (2021)

Emma T. Helm, Jason W. Ross, John F. Patience, Steven M. Lonergan, et al.

Although pork producers typically aim to optimize growth rates, occasionally it is necessary to slow growth, such as when harvest ...

Xylanase supplementation in corn-based swine diets: a review with emphasis ...

Journal of Animal Science (2020)

Amy L. Petry and John F. Patience

Corn is a common energy source in pig diets globally; when financially warranted, industrial corn coproducts, such as corn distiller’s ...

More details on so-called corn diet

National Hog Farmer (2020)

Sharon Norton, Katie Betts, Jim Jolli, Chad Pilcher, et al.

The question of holding diets came about when the flow of market-ready animals was disrupted by the novel coronavirus earlier ...

Adverse effects on growth performance and bone development in nursery ...

Journal of Animal Science (2020)

Spenser L. Becker, Stacie A. Gould, Amy L. Petry, Leah M. Kellesvig, et al.

The objective of this experiment was to evaluate the growth performance and bone mineral content (BMC) of nursery pigs in ...

Does phytase release less phosphorus than we think?

National Hog Farmer (2020)

Kristin Olsen and John Patience

Phytase has become a "staple" in many swine diets. We know that it releases phosphorus bound to phytate in the ...

Can the digestibility of corn distillers dried grains with solubles ...

Translational Animal Science (2020)

Jesus A. Acosta, Amy L. Petry, Stacie A. Gould, Cassandra K. Jones, et al.

The objective of this study was to determine the impact of reducing the mean particle size (PS) of corn distillers ...

The effects of enzymatically treated soybean meal on growth performance ...

Translational Animal Science (2020)

Leigh A. Ruckman, Amy L. Petry, Stacie A. Gould, Brian J. Kerr, et al.

The objective of this experiment was to determine the impact of diets containing increasing amounts of enzymatically treated soybean meal ...

The impact of porcine spray-dried plasma protein and dried egg ...

Translational Animal Science (2020)

Leigh A. Ruckman, Amy L. Petry, Stacie A. Gould and John F. Patience

The objective of this experiment was to compare the effects of spray-dried plasma protein (SDPP) and dried egg protein (DEP), ...

Xylanase increased the energetic contribution of fiber and improved the ...

Journal of Animal Science (2020)

Amy L. Petry, Nichole F. Huntley, Michael R. Bedford and John F. Patience

The experimental objective was to investigate the impact of xylanase on the bioavailability of energy, oxidative status, and gut function ...

Impact of increasing the levels of insoluble fiber and on ...

Journal of Animal Science (2020)

Jesus A. Acosta, Hans S. Stein and John F. Patience

The objective of this study was to determine the differences in response to distillers dried grains with solubles (DDGS) level ...

Nutritional approaches to reduce growth rates and feed intake

National Hog Farmer (2020)

Nicholas Gabler, John Patience, Laura Greiner and Jason Ross

In recent weeks, the COVID-19 pandemic has created massive direct and indirect fall-out for U.S. pork producers. Primarily, this has ...

Dietary Soluble and Insoluble Fiber With or Without Enzymes Altered ...

Frontiers in Microbiology (2020)

Qingyun Li, Xiyu Peng, Eric R. Burrough, Orhan Sahin, et al.

Post-weaning diarrhea caused by enterotoxigenic E. coli (ETEC) causes significant economic losses for pig producers. This study was to test ...

Effects of an F18 enterotoxigenic Escherichia coli challenge on growth ...

Journal of Animal Science (2020)

Spenser L. Becker, Qingyun Li, Eric R. Burrough, Danielle Kenne, et al.

The objective of this experiment was to investigate the impact of an F18 enterotoxigenic Escherichia coli (ETEC) challenge on growth ...

Effects of grinding method and particle size of wheat grain ...

Translational Animal Science (2020)

Jesus A. Acosta, Amy L. Petry, Stacie A. Gould, Cassandra K. Jones, et al.

Feed grains are processed to improve their value in pig diets by exposing kernel contents to enzymatic and microbial action. ...

The effect of lactose and a prototype Lactobacillus acidophilus fermentation ...

Translational Animal Science (2020)

Jesus A. Acosta, Nicholas K. Gabler and John F. Patience

The objective of this study was to determine the effects of lactose (LA) and a prototype Lactobacillus acidophilus fermentation product ...

A procedure for dual simple t-cannulation in the small intestine ...

Journal of Applied Animal Nutrition (2020)

A. L. Petry, S. A. Gould and John F. Patience

Singular cannulation in the small intestine of pigs is a common methodology for studying nutrient digestibility, delivering compounds into the ...

Enhancing digestibility of corn fed to pigs at two stages ...

Translational Animal Science (2020)

Jesus A. Acosta, Amy L. Petry, Stacie A. Gould, Cassandra K. Jones, et al.

The experimental objective was to determine the role of mean particle size (PS), grinding method, and body weight (BW) category ...

Review: innovation through research in the North American pork industry

R. D. Boyd, C. E. Zier-Rush, A. J. Moeser, M. Culbertson, et al.

This article involved a broad search of applied sciences for milestone technologies we deem to be the most significant innovations ...

Xylanase, and the role of digestibility and hindgut fermentation in ...

Journal of Animal Science (2019)

Amy L. Petry, Helen V. Masey O’Neill and John F. Patience

The experimental objective was to evaluate the digestibility and fermentation differences between high and low energy corn samples and their ...