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Akademický článek

Transcriptome analysis of ruminal epithelia revealed potential regulatory mechanisms involved in host adaptation to gradual high fermentable dietary transition in beef cattle

Autor: K. Zhao, Y. H. Chen, G. B. Penner, M. Oba, L. L. Guan

Publikováno v: BMC Genomics, Vol 18, Iss 1, Pp 1-17 (2017)

Abstract Background The transition from a high forage to a highly fermentable diet can induce digestive disorders in the rumen. To date, the host mechanisms that regulate the adaption to such dietary transition are largely unknown. To understand the

Externí odkaz: https://doaj.org/article/a3aa3d726d494cec837570d525abe76a

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Comparing steam-flaked and pelleted barley grain in a feed-first guided-flow automated milking system for Holstein cows

Autor: M. Gardner, G. B. Penner, J.A. Johnson, K.S. Paddick

Publikováno v: Journal of Dairy Science. 105:221-230

Provision of a palatable feed in automated milking systems (AMS) is considered an essential motivating factor to encourage voluntary visits to the milking stall. Although the quantity and composition of AMS concentrates have been previously investiga

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca8d6b5e3d43b0384ad6b2033b13da0d
https://doi.org/10.3168/jds.2021-20387

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Akademický článek

The Duration of Increased Grain Feeding Affects the Microbiota throughout the Digestive Tract of Yearling Holstein Steers

Autor: J. C. Plaizier, P. Azevedo, B. L. Schurmann, P. Górka, G. B. Penner, E. Khafipour

Publikováno v: Microorganisms, Vol 8, Iss 12, p 1854 (2020)

Effects of the duration of moderate grain feeding on the taxonomic composition of gastrointestinal microbiota were determined in 15 Holstein yearling steers. Treatments included feeding a diet of 92% dry matter (DM) hay (D0), and feeding a 41.5% barl

Externí odkaz: https://doaj.org/article/7e5053923fa44124804632be234cb0f2

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Effect of dietary lipid inclusion from by-product-based pellets on dry matter intake, ruminal fermentation, and nutrient digestion in finishing beef heifers

Autor: John J McKinnon, Paweł Górka, G. B. Penner, Jordan A Johnson, F. Joy, Steve Hendrick

Publikováno v: Canadian Journal of Animal Science. 101:481-492

This study was designed to evaluate dry matter intake (DMI), ruminal fermentation, ruminal digesta outflow, omasal flow of N constituents, and ruminal and total-tract digestibility in response to increasing dietary lipid content derived from high-lip

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf8d0487bebafcafe6cd4f725c9a9e6e
https://doi.org/10.1139/cjas-2020-0133

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Effects of barley and corn as sources of silage and grain on dry matter intake, ruminal fermentation, and total-tract digestibility in growing beef heifers

Autor: Brittney D Sutherland, Tim A. McAllister, G. B. Penner, Jordan A Johnson, John J McKinnon

Publikováno v: Canadian Journal of Animal Science. 101:447-458

The objective of this study was to evaluate the use of barley (BS) or corn (CS) silage when fed with dry-rolled barley grain (BG), corn grain (CG), or an equal blend (BCG) of BG and CG for backgrounding cattle. Ruminally cannulated heifers (n = 5) we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f12399d1d1c7f5e4efd06b06e5910782
https://doi.org/10.1139/cjas-2020-0025

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Effects of canola meal inclusion rate in starter mixtures for Holstein heifer calves on dry matter intake, average daily gain, ruminal fermentation, plasma metabolites, and total-tract digestibility

Autor: K. Burakowska, Paweł Górka, G. B. Penner

Publikováno v: Journal of Dairy Science. 104:8736-8745

The objective of this study was to determine the effects of the canola meal (CM) inclusion rate in pelleted starter mixtures for Holstein heifer calves on dry matter intake, average daily gain, ruminal fermentation, plasma metabolites, and total-trac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3532013fef79da080b5987be9654df1f
https://doi.org/10.3168/jds.2020-19778

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Changes in the fatty acid composition of steer subcutaneous fat, including biohydrogenation products, are minimal when finished on combinations of corn and barley grains and silages

Autor: Payam Vahmani, Jennifer L. Aalhus, Manuel Juárez, G. B. Penner, Brittney D Sutherland, Óó. López-Campos, Michael E. R. Dugan, Jordan A Johnson, Nuria Prieto

Publikováno v: Canadian Journal of Animal Science. 101:362-369

Corn production in Western Canada has increased with development of short-season varieties partially offsetting the use of barley as a silage and grain source. The current study evaluated effects of silage and cereal-grain source on subcutaneous fat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::74d5cc21a22af4c14239684ed43a9024
https://doi.org/10.1139/cjas-2020-0013

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Canola meal or soybean meal as protein source and the effect of microencapsulated sodium butyrate supplementation in calf starter mixture. II. Development of the gastrointestinal tract

Autor: Paweł Górka, G. B. Penner, K. Burakowska, Dorota Wojtysiak, Joanna Wojciechowska-Puchałka, Z.M. Kowalski, Marcin Przybyło, J. Flaga, J. Barć

Publikováno v: Journal of Dairy Science. 104:6663-6676

The aim of this study was to assess the effect of protein source, either soybean meal (SM) or canola meal (CM), and microencapsulated sodium butyrate (MSB) supplementation in a pelleted starter mixture on the development of the gastrointestinal tract

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6520f8f5090d4886f543345f0129db8b
https://doi.org/10.3168/jds.2020-19780

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Use of barley silage or corn silage with dry-rolled barley, corn, or a blend of barley and corn on predicted nutrient total tract digestibility and growth performance of backgrounding steers

Autor: Tim A. McAllister, G. B. Penner, Brittney D Sutherland, Jordan A Johnson, John J McKinnon

Publikováno v: Canadian Journal of Animal Science. 101:62-70

The objective of this study was to determine the effects of feeding barley silage (BS) or corn silage (CS) with dry-rolled barley (BG), dry-rolled corn (CG), or a blend of barley and corn grain (BCG), on growth performance and nutrient digestibility,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff6f43e411cc0860e414b96766664af4
https://doi.org/10.1139/cjas-2019-0198

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Effects of lipopolysaccharide exposure on the inflammatory response, butyrate flux, and metabolic function of the ruminal epithelium using an ex vivo model

Autor: G. B. Penner, C. Kent-Dennis

Publikováno v: Journal of Dairy Science. 104:2334-2345

Acidotic conditions in the rumen have been associated with compromised barrier function of the ruminal epithelium and translocation of microbe-associated molecular patterns (MAMP) such as lipopolysaccharide (LPS). Interaction of MAMP with the ruminal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3331647cf1bc0ca7b2777aa20694d7de
https://doi.org/10.3168/jds.2020-19002

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