Zobrazeno 1 - 10
of 71
pro vyhledávání: '"F. Giallongo"'
Autor:
Troy L. Ott, A. Melgar, Alexander N. Hristov, M.T. Harper, Stephane Duval, F. Giallongo, Joonpyo Oh, Megan E. Young
Publikováno v:
Journal of Dairy Science. 103:410-432
This study examined the effect of 3-nitrooxypropanol (3-NOP), a substance under investigation, on enteric methane (CH4) emission, rumen fermentation, lactational performance, sensory properties of milk, and the resumption of ovarian cyclicity in earl
Autor:
Alexander N. Hristov, Joonpyo Oh, G. Cudoc, L.E. Chase, F. Giallongo, R. Ward, J. Clay, M.T. Harper, J.C. Lopes
Publikováno v:
Journal of Dairy Science. 101:1579-1584
The main objective of this survey was to examine variability in milk urea nitrogen (MUN) for Dairy Herd Improvement Association (DHIA) herds in the northeastern United States (the Northeast), examine trends in dairy cow diet composition, and determin
Publikováno v:
Journal of Dairy Science. 100:6151-6163
The objective of this experiment was to partially replace corn silage with 2 alternative forages, wheat (Triticum aestivum) or triticale (X Triticosecale) silages at 10% of the diet dry matter (DM), and investigate the effects on dairy cow productivi
Publikováno v:
Journal of Dairy Science. 100:5250-5265
Double cropping and increasing crop diversity could improve dairy farm economic and environmental sustainability. In this experiment, corn silage was partially replaced with 2 alternative forages, brown midrib-6 brachytic dwarf forage sorghum (Sorghu
Autor:
F. Giallongo, H. L. Weeks, J.C. Lopes, Joonpyo Oh, M.T. Harper, J. Faugeron, Alexander N. Hristov
Publikováno v:
Journal of Dairy Science. 99:6585-6589
Flavor preferences may be used to stimulate feed intake in dairy cows, which may improve use of robotic milking systems and increase feed intake of sick cows. A cafeteria-design experiment was used to determine if dairy cows have flavor preferences.
Autor:
David Bravo, E. H. Wall, F. Giallongo, Ryan J. Elias, T. Frederick, Sadhat S. Walusimbi, Joy L. Pate, Alexander N. Hristov, Joonpyo Oh
Publikováno v:
Journal of Dairy Science. 98:6327-6339
This study investigated the effect of Capsicum oleoresin in granular form (CAP) on nutrient digestibility, immune responses, oxidative stress markers, blood chemistry, rumen fermentation, rumen bacterial populations, and productivity of lactating dai
Autor:
Hélène Lapierre, A. Gehman, H. L. Weeks, Alexander N. Hristov, F. Giallongo, T. Frederick, R.A. Patton, C. Parys, Joonpyo Oh, Jeffrey J. Werner
Publikováno v:
Journal of Dairy Science. 98:3292-3308
This experiment was conducted with the objective to investigate the effects of slow-release urea and rumen-protected (RP) Met and His supplementation of a metabolizable protein (MP)-deficient diet (according to NRC, 2001) on lactation performance of
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
Publikováno v:
Journal of dairy science. 100(4)
A 10-wk randomized complete block design experiment with 24 Holstein cows was conducted to investigate the long-term effects of feeding a His-deficient diet on lactational performance of dairy cows. Cows were blocked by days in milk, milk yield, and
Autor:
A. Melgar, J.C. Lopes, D.M. Kniffen, M.T. Harper, R.A. Fabin, F. Giallongo, S.A. Harper, Joonpyo Oh, A. M. Ortega-Perez, Alexander N. Hristov, L. Smith
Publikováno v:
Journal of dairy science. 100(2)
The objective of this study was to investigate the effect of 3 soybean sources differing in fatty acid profile and processing method on productivity, milk composition, digestibility, rumen fermentation, and enteric methane emission in lactating dairy