Zobrazeno 1 - 5
of 5
pro vyhledávání: '"J. F. Beatty"'
Autor:
R. A. Anders, J. F. Beatty, Daren D. Redfearn, David C. Blouin, F. B. Martin, Gregory J. Cuomo
Publikováno v:
Agronomy Journal. 91:666-671
Early-season forage production of annual ryegrass (Lolium multiflorum Lam.) is reduced in the southeastern USA when established no-till rather than with conventional tillage. We hypothesized that annual warm-season grass residue interferes with seedl
Autor:
David C. Blouin, J. F. Beatty, José María Fernández, Gregory J. Cuomo, T. F. Brown, Dennis D. French, A. M. Chapa, M. E. McCormick
Publikováno v:
Journal of dairy science. 82(12)
We conducted a study to determine the effects of excess dietary crude protein (CP) and rumen undegradable protein (RUP) on reproduction and lactation performance of Holstein cows. During each of three yearly replicates, cows were blocked by previous
Publikováno v:
Journal of Dairy Science. 60:129-132
Ten lactating dairy cows were used to study the effect of limited zone cooling on milk yield, milk fat percentage, rectal temperature, respiration rate, and thyroid activity. The 10 cows were paired, divided into two groups, control and zone cooled,
Publikováno v:
International journal of biometeorology. 21(1)
Data collected monthly for one calendar year from Holstein cows lactating under Louisiana ambient climatic conditions comprised a total of 264 cowmonths. The year was divided into seasons of cool, intermediate, and hot temperatures. A highly signific
Publikováno v:
Journal of dairy science. 59(1)
Data collected monthly for one calendar year from Holstein cows lactating under Louisiana ambient climatic conditions comprised a total of 264 cow-months. The year was divided into seasons of cool, intermediate, and hot temperatures. The hot season e