Výsledky vyhledávání - "J. B. Humphry"

Weaning and post-weaning performance by fall-born calves weaned on different dates from endophyte-infected tall fescue pastures managed with two different rotation frequencies

Autor: Donald S. Hubbell, Charles F. Rosenkrans, Kenneth P. Coffey, J. B. Humphry, D. A. Scarbrough, W. K. Coblentz, T. F. Smith, D.H. Hellwig, J. E. Turner, Michael P. Popp, Zelpha B. Johnson

Publikováno v: Livestock Science. 118:183-194

A number of studies have reported performance by spring-calving cows grazing Neotyphodium -infected fescue [E+, Lolium arundinaceum (Schreb.) Darbysh.], but post-weaning calf performance from the majority of those studies is limited. Furthermore, bot

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e0a5c36e89ddfdf6eaa5876d2a85e5f6
https://doi.org/10.1016/j.livsci.2008.01.019

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Empirical Analysis of Weaning and Pasture Rotation Frequency with Implications for Retained Ownership

Autor: Zelpha B. Johnson, D. A. Scarbrough, J. B. Humphry, Michael P. Popp, T. F. Smith, W. K. Coblentz, J. E. Turner, Donald S. Hubbell, Kenneth P. Coffey

Publikováno v: Agronomy Journal. 99:747-754

The economic impact of rotation frequency (twice weekly vs. twice monthly until time of weaning) and time of weaning (early April vs. 56 d later) was examined for fall-calving cows using a modified put and take grazing strategy implemented to maintai

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::035c5830f391ca95e288c451bb03c73f
https://doi.org/10.2134/agronj2005.0346

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Using Orchardgrass and Endophyte‐Free Fescue Versus Endophyte‐Infected Fescue Overseeded on Bermudagrass for Cow Herds: II. Four‐Year Summary of Cow‐Calf Performance

Autor: Donald S. Hubbell, Kenneth P. Coffey, D. L. Kreider, Charles P. West, John A. Jennings, D. H. Hellwig, Charles F. Rosenkrans, T. F. Smith, J. E. Turner, J. B. Humphry, D. A. Scarbrough, W. K. Coblentz, Michael P. Popp, B. C. McGinley

Publikováno v: Crop Science. 46:1929-1938

A 4-yr trial was initiated in January 2000 to evaluate cow-calf performance on mixed-species pasture systems consisting of (i) endophyte-infected tall fescue (E+; Festuca arundinacea Schreb.) diluted by approximately 50% with common bermudagrass [Cyn

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f0af2b7de7a02c95c94d01beb4a9661e
https://doi.org/10.2135/cropsci2005.11-0443

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Using Orchardgrass and Endophyte‐Free Fescue Versus Endophyte‐Infected Fescue Overseeded on Bermudagrass for Cow Herds: I. Four‐Year Summary of Forage Characteristics

Autor: Michael P. Popp, D. H. Hellwig, D. L. Kreider, Charles P. West, John A. Jennings, Donald S. Hubbell, Kenneth P. Coffey, D. A. Scarbrough, T. F. Smith, Charles F. Rosenkrans, J. E. Turner, B. C. McGinley, W. K. Coblentz, J. B. Humphry

Publikováno v: Crop Science. 46:1919-1928

A systems trial was designed to evaluate forage characteristics within mixed-species pastures consisting of (i) endophyte-infected tall fescue (Festuca arundinacea Schreb.; E+) mixed with common bermudagrass [Cynodon dactylon (L.) Pers.] and other fo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8ed6b7064adc5453111549df4f55683
https://doi.org/10.2135/cropsci2005.11-0442

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Effects of Forage Management on the Nutritive Value of Stockpiled Bermudagrass

Autor: W. K. Coblentz, Donald S. Hubbell, Kenneth P. Coffey, D. A. Scarbrough, J. B. Humphry, T. F. Smith, R. K. Ogden, J. E. Turner, John A. Jennings

Publikováno v: Agronomy Journal. 98:1280-1289

‘Common’ and ‘Tifton 44’ bermudagrass [Cynodon dactylon (L.) Pers.] located near Fayetteville and Batesville, AR, respectively, were chosen to evaluate the effects of stockpiling initiation date (August or September), and N fertilization rate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::604ed30434799ca717db458c4da67d15
https://doi.org/10.2134/agronj2006.0012

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Nitrogen Partitioning and Estimates of Degradable Intake Protein in Wilting Orchardgrass and Bermudagrass Hays Damaged by Simulated Rainfall

Autor: John A. Jennings, D. A. Scarbrough, T. C. Daniel, Kenneth P. Coffey, W. K. Coblentz, R. K. Ogden, D.W. Kellogg, Thomas J. Sauer, J. E. Turner, J. B. Humphry

Publikováno v: Agronomy Journal. 98:85-93

This study investigated the effects of simulated rainfall on N partitioning and concentrations of degradable (DIP) or undegradable (UIP) intake protein for wilting orchardgrass (Dactylis glomerata L.) and bermudagrass [Cynodon dactylon (L.) Pers.] ha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::866572c37e2768b66079c310f7137440
https://doi.org/10.2134/agronj2005.0091

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Effect of rotation frequency and weaning date on forage measurements and growth performance by cows and calves grazing endophyte-infected tall fescue pastures overseeded with crabgrass and legumes1

Autor: J. E. Turner, B. C. McGinley, Charles F. Rosenkrans, D. A. Scarbrough, D. H. Hellwig, Michael P. Popp, Donald S. Hubbell, T. F. Smith, Kenneth P. Coffey, W. K. Coblentz, Zelpha B. Johnson, J. B. Humphry

Publikováno v: Journal of Animal Science. 83:2684-2695

A grazing study was initiated in April 2000 and continued through three calving and weaning cycles (ending July 2003) to investigate the effects of rotational grazing management (twice monthly [2M] vs. twice weekly [2W]) and weaning date (mid-April [

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9a84f15c48e88bd623c76bf9610ebb10
https://doi.org/10.2527/2005.83112684x

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Evaluation of Dry Matter Loss, Nutritive Value, and In Situ Dry Matter Disappearance for Wilting Orchardgrass and Bermudagrass Forages Damaged by Simulated Rainfall

Autor: Thomas J. Sauer, D. A. Scarbrough, J. E. Turner, Kenneth P. Coffey, W. K. Coblentz, T. C. Daniel, D.W. Kellogg, J. B. Humphry, John A. Jennings

Publikováno v: Agronomy Journal. 97:604-614

Throughout much of the southeastern USA, hay harvest can be complicated by a high probability of rainfall events that may cause damage to the resultant hay crop. The objectives of this study were to investigate the effects of simulated rainfall and t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3218a78bdc906a9b40c1a3d596184c3d
https://doi.org/10.2134/agronj2005.0604

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Estimating Losses of Dry Matter from Simulated Rainfall on Bermudagrass and Orchardgrass Forages Using Cell Wall Components as Markers

Autor: D. A. Scarbrough, J. B. Humphry, T. C. Daniel, John A. Jennings, J. E. Turner, Kenneth P. Coffey, D.W. Kellogg, W. K. Coblentz, Thomas J. Sauer

Publikováno v: Agronomy Journal. 96:1680-1687

Previous methodologies to measure losses of dry matter (DM) in wilting hays subjected to natural or simulated rainfall have relied generally on gravimetric techniques, resulting in variable and questionable estimates of DM loss. The objective of this

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c467f4eb56f96e632593820213b9d8ed
https://doi.org/10.2134/agronj2004.1680

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Mineral Content of Forages Grown on Poultry Litter-Amended Soils1

Autor: Kenneth P. Coffey, W. K. Coblentz, H.L. Goodwin, Thomas J. Sauer, B. C. McGinley, J. B. Humphry, L.J. Mcbeth

Publikováno v: The Professional Animal Scientist. 20:136-145

Large quantities of poultry litter are applied each year to pastures in Arkansas and Oklahoma. Our objective was to monitor mineral concentrations in forages grown on poultry litter-amended soils and compare them with mineral requirements for gestati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::85124bda4c59a6f82abb6ff02f000158
https://doi.org/10.15232/s1080-7446(15)31288-2

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