Gregory Penner

Professor

University of Saskatchewan

Canada

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About

Gregory Penner is a Professor at the University of Saskatchewan in Canada. His research focuses on dairy and beef cattle nutrition, examining factors such as personality traits, silage types, and metabolic processes. Recent articles include studies on the effects of hybrid rye silage as a feed alternative and insights into nutrient digestibility using near-infrared spectroscopy.

Articles (28)

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2025

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2023

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2023

Collaborators (6)

Todd Duffield

Professor and Chair

University of Guelph

CANADA

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Cheryl Waldner

Western College of Veterinary Medicine

CANADA

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Karin Orsel

Professor

University of Calgary

CANADA

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Paweł Górka

University professor

University of Agriculture in Krakow

POLAND

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Gabriel Ribeiro

Assistant Professor

University of Saskatchewan

CANADA

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Bart Lardner

Professor

University of Saskatchewan

CANADA

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Gregory Penner

Research Interests

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About

Articles (28)

Comparison of two internal markers and near-infrared spectroscopy (NIRS) for predicting nutrient digestibility in beef cattle offered diets varying in forage quantity and quality

Influence of dairy cow personality traits on response to extended milking intervals and removal of supplemental concentrate in a free-traffic automated milking system

Yield of hybrid rye silage and its use as a replacement for barley silage on feed intake, growth performance, and carcass quality of growing and finishing steers

Effect of undigestible neutral detergent fiber concentration in finishing diets containing dry-rolled or steam-rolled barley for feedlot steers

Effects of feeding hybrid rye silage as a replacement for barley silage on feed intake, ruminal fermentation, and the site and extent of nutrient digestion in growing beef heifers

Examination of the role of the rumen in zinc metabolism

Impact of adding water to a barley-based finishing feedlot diet on feed sorting behaviour and ruminal fermentation for growing beef steers

Farm-level risk factors associated with increased milk β-hydroxybutyrate and hyperketolactia prevalence on farms with automated milking systems

Effect of feeding calcium gluconate embedded in a hydrogenated fat matrix on performance, gastrointestinal fermentation, ruminal morphology, carcass merit, and meat quality for finishing beef heifers

Impact of dairy cow personality traits and concentrate allowance on their response to training and adaptation to an automated milking system

Severity of Rolling Reconstituted High Moisture Barley on Ensiling Characteristics and In Vitro Ruminal Fermentation

Validation of an in vivo dual permeability marker technique to characterize regional gastrointestinal tract permeability in mid lactation Holstein cows during short-term feed restriction.

Farm-level nutritional factors associated with milk production and milking behavior on Canadian farms with automated milking systems

Effect of sodium sulfate concentration in drinking water for beef heifers, and the in vitro effect of bismuth subsalicylate on H2S production and fiber disappearance

Performance and ruminal fermentation of second-trimester pregnant beef cows fed short-season high-moisture corn stover or barley greenfeed during winter in western Canada

Assessment of forage inclusion strategies as a means of reducing liver abscesses in finishing feedlot cattle*†

Effects of conventional and natural management systems on backgrounding and finishing performance of beef steers

The effects of dietary cation-anion difference and dietary buffer for lactating dairy cattle under mild heat stress with night cooling

Digestibility of western Canadian finishing beef cattle diets when short-season, high-moisture shelled corn and snaplage partially replace dry-rolled barley grain and barley silage

Effect of dry or temper rolling of high- or low-protein wheat and its impact on rumen parameters, growth performance, and liver abscesses in feedlot cattle

Development of an efficiency ranking system for beef cows and effects on feed intake, ruminal fermentation, NDF turnover, and apparent total tract digestibility

Effect of mixtures of legume species on ruminal fermentation, methane, and microbial nitrogen production in batch and continuous culture (RUSITEC) systems

Effect of sodium concentration and mucosal pH on apical uptake of acetate and butyrate, and barrier function of the isolated bovine ruminal epithelium

Effects of 3-day versus 9-day whole-plant corn allocation and hay supplementation on performance, grazing preference, and ruminal fermentation of beef cows

A comparison of post-ruminal provision of Ca-gluconate and Ca-butyrate on growth performance, gastrointestinal barrier function, short-chain fatty acid absorption, intestinal histology, and brush-border enzyme activity in beef heifers

Effect of forage types differing in undigested neutral detergent fiber concentration and forage inclusion rate on reticulo-ruminal motility and fermentation, total tract barrier function, and blood metabolites of finishing beef heifers

Effect of increasing concentration of ergot alkaloids in the diet of feedlot cattle: performance, welfare, and health parameters

Effect of physically effective neutral detergent fiber and undigested neutral detergent fiber on eating behavior, ruminal fermentation and motility, barrier function, blood metabolites, and total tract digestibility in finishing cattle

Collaborators (6)

Todd Duffield

Cheryl Waldner

Karin Orsel

Paweł Górka

Gabriel Ribeiro

Bart Lardner

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