Výsledky vyhledávání - "T.W. Cassidy"

Effect of dietary protein level and rumen-protected amino acid supplementation on amino acid utilization for milk protein in lactating dairy cows

Autor: T.W. Cassidy, F. Giallongo, K.S. Heyler, Hélène Lapierre, C. Parys, Alexander N. Hristov, Gabriella A. Varga, Chanhee Lee

Publikováno v: Journal of Dairy Science. 98:1885-1902

This study investigated the effect of metabolizable protein (MP) supply and rumen-protected (RP) Lys and Met supplementation on productivity, nutrient digestibility, urinary N losses, apparent total-tract digestibility of dietary AA, and the efficien

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::920f77f5637674e24bca54a60363b506
https://doi.org/10.3168/jds.2014-8496

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Immune and production responses of dairy cows to postruminal supplementation with phytonutrients

Autor: Scot E. Dowd, David Bravo, T.W. Cassidy, Joonpyo Oh, Joy L. Pate, Koji Toyokawa, Ryan J. Elias, Shawn S. Donkin, K.S. Heyler, Edyta Brzezicka, Sadhat S. Walusimbi, Chanhee Lee, Alexander N. Hristov, Gabriella A. Varga, Jacob Werner

Publikováno v: Journal of Dairy Science. 96:7830-7843

This study investigated the effect of phytonutrients (PN) supplied postruminally on nutrient utilization, gut microbial ecology, immune response, and productivity of lactating dairy cows. Eight ruminally cannulated Holstein cows were used in a replic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc30756fc4deda1b7a3ceb7bb0866540
https://doi.org/10.3168/jds.2013-7089

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Effect of essential oils on ruminal fermentation and lactation performance of dairy cows

Autor: K.S. Heyler, Gabriella A. Varga, J.A. Tekippe, Chanhee Lee, R. Tacoma, Alexander N. Hristov, T.W. Cassidy, Joonpyo Oh, David Bravo

Publikováno v: Journal of Dairy Science. 96:7892-7903

Three experiments (Exp.) were conducted to study the effects of dietary addition of an essential oil product (EO) based on eugenol and cinnamaldehyde (0, control, or 525 mg/d of Xtract 6965; Pancosma SA, Geneva, Switzerland) on ruminal fermentation,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4675692df454d26954b22f1fab34358
https://doi.org/10.3168/jds.2013-7128

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Effect of Origanum vulgare L. leaves on rumen fermentation, production, and milk fatty acid composition in lactating dairy cows

Autor: Chanhee Lee, Benjamin A. Corl, Gabriella A. Varga, Alexander N. Hristov, R. C. Brandt, J.A. Tekippe, T.W. Cassidy, K.S. Heyler

Publikováno v: Journal of Dairy Science. 96:1189-1202

This experiment investigated the effects of dietary supplementation of Origanum vulgare L. leaf material (OR) on rumen fermentation, production, and milk fatty acid composition in dairy cows. The experimental design was a replicated 4 × 4 Latin squa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1dd68719afcf171d7a1361f061fee966
https://doi.org/10.3168/jds.2012-5975

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Rumen-protected lysine, methionine, and histidine increase milk protein yield in dairy cows fed a metabolizable protein-deficient diet

Autor: R.A. Patton, M.J. de Veth, T.W. Cassidy, Hélène Lapierre, C. Parys, K.S. Heyler, Chanhee Lee, Alexander N. Hristov, Gabriella A. Varga

Publikováno v: Journal of Dairy Science. 95:6042-6056

The objective of this experiment was to evaluate the effect of supplementing a metabolizable protein (MP)-deficient diet with rumen-protected (RP) Lys, Met, and specifically His on dairy cow performance. The experiment was conducted for 12 wk with 48

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea78136ffca84b7ed1f957baac3b45f2
https://doi.org/10.3168/jds.2012-5581

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Effects of partially replacing dietary starch with dry glycerol in a lactating cow diet on ruminal fermentation during continuous culture

Autor: D.E. Rico, Gabriella A. Varga, Y.-H. Chung, T.W. Cassidy, C.M. Martinez, K.S. Heyler

Publikováno v: Journal of Dairy Science. 95:3310-3317

The effects of dry glycerol as a partial replacement for dietary starch in a lactating cow diet on ruminal fermentation and bacterial protein synthesis were evaluated using 4 single-flow, continuous-culture fermentors (ranging from 1,015 to 1,040 mL

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b1d887f0678f8f0e05702b3337767e58
https://doi.org/10.3168/jds.2011-5059

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Nitrogen Isotope Fractionation and Origin of Ammonia Nitrogen Volatilized from Cattle Manure in Simulated Storage

Autor: Alexander N. Hristov, T.W. Cassidy, Chanhee Lee, K.S. Heyler

Publikováno v: Atmosphere, Vol 2, Iss 3, Pp 256-270 (2011)
Atmosphere; Volume 2; Issue 3; Pages: 256-270

A series of laboratory experiments were conducted to establish the relationship between nitrogen (N) isotope composition of cattle manure and ammonia emissions, potential contribution of nitrogenous gases other than ammonia to manure N volatilization

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d9fd33f2e11655c5281333c6a34c63a
https://doi.org/10.3390/atmos2030256

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Effect of replacing solvent-extracted canola meal with high-oil traditional canola, high-oleic acid canola, or high-erucic acid rapeseed meals on rumen fermentation, digestibility, milk production, and milk fatty acid composition in lactating dairy cows

Autor: T.W. Cassidy, Alexander N. Hristov, J. B. Davis, Kevin J. Shingfield, A. Wachter, Jack Brown, Chanhee Lee, C. Domitrovich, P. Kairenius

Publikováno v: Journal of Dairy Science. 94:4057-4074

The objective of this experiment was to investigate the effects of replacing conventional, solvent-extracted canola meal (control; CTRL) with high oil content; conventional, mechanically extracted canola meal (CMEC); high-oleic, low polyunsaturated f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a652fb1380b935970a50acf87859d4b
https://doi.org/10.3168/jds.2011-4283

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Effects of lauric and myristic acids on ruminal fermentation, production, and milk fatty acid composition in lactating dairy cows

Autor: T.W. Cassidy, Benjamin A. Corl, Alexander N. Hristov, Robert J. Forster, Chanhee Lee, K.S. Heyler, M. Long

Publikováno v: Journal of Dairy Science. 94:382-395

The objectives of this experiment were to investigate the effects of lauric (LA) and myristic (MA) acids on ruminal fermentation, production, and milk fatty acid (FA) profile in lactating dairy cows and to identify the FA responsible for the methanog

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::faaa836bcd0bed71690e91df004fd290
https://doi.org/10.3168/jds.2010-3508

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Effect of Saccharomyces cerevisiae fermentation product on ruminal fermentation and nutrient utilization in dairy cows

Autor: I. Yoon, M. Long, T.W. Cassidy, Carolyn J. Hovde, K.S. Heyler, Alexander N. Hristov, Benjamin A. Corl, S.K.R. Karnati, Gabriella A. Varga

Publikováno v: Journal of Dairy Science. 93:682-692

The goal of this experiment was to investigate the effect of yeast culture (Saccharomyces cerevisiae) on rumen fermentation, nutrient utilization, and ammonia and methane emission from manure in dairy cows. Eight ruminally cannulated Holstein cows we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e07c7e4237663875887bee2c2f30b894
https://doi.org/10.3168/jds.2009-2379

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