1997 USDFRC Research Summary
Table of Contents




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Preface

Disclaimer

FORAGE PRODUCTION

Integration of Forage in Farming Systems
C.A. Rotz
A Dairy Herd Model for Use in Whole Farm Simulations
C.A. Rotz, D.R. Mertens, D.R. Buckmaster, M.S. Allen and J.H. Harrison
Performance and Economics of a Perennial Cow Dairy Farm
C.A. Rotz and D.L. Zartman
Prediction of Alfalfa Forage Yield Loss Due to Freezing Injury: I. Model Development and Sensitivity Analysis
V.R. Kanneganti, C.A. Rotz and R.P. Walgenbach
Prediction of Alfalf Forage Yield Loss Due to Freezing Injury: II. Model Validation and Example Simulations
V.R. Kanneganti, W.L. Bland and D.J. Undersander
In-Season Applications of Dairy Manure Slurry on Reed Canarygrass
M.P. Russelle, G.W. Randall, P.D. Clayton, M.A. Schmitt, L.J. Greub, C.C. Sheaffer, R.R. Kalton and D.H. Taylor
Nitrate Losses in Pastures Grazed by Lactating Dairy Cows
M.P. Russelle, T.R. Dhiman, V.R. Kanneganti, L.D. Satter, D.G. Johnson, A.D. Garcia and W.S. Nord

FORAGE HANDLING, PRESERVATION AND STORAGE

Influence of Oxygen on Ensiling
R.E. Muck
Acid Ionization Constant of Ammonia in Silage
R.E. Muck and J. Cellerino
Phytase From Transgenic Alfalfa
R.G. Koegel, S. Austin-Phillips, E.T. Bingham, R.J. Straub and M.E. Cook
Concentration of Phytase in Alfalfa Juice by Ultrafiltration
C. O'Donnell, R.G. Koegel and R.J. Straub
Liquid Hot Water (LHW) Pretreatment of Alfalfa Fiber Destined for Ethanol Production
R.G. Koegel, H.K. Sreenath and R.J. Straub

PLANT CHEMISTRY

A New Frontier for Plant Modification
J. Ralph and R.D. Hatfield
Should Lignin Be Redefined?
R.D. Hatfield and J. Ralph
Discovery of an Abnormal Lignin in a Loblolly Pine Mutant
J. Ralph, R.D. Hatfield and F. Lu
Abnormal Lignins in Antisense-CCR and Antisense CAD Plants
J. Ralph and R.D. Hatfield
The "DFRC" Method for Lignin Analysis: Lignin Dimers Isolated From DFRC-Degraded Pine
J. Peng, F. Lu and J. Ralph
Highly Selective Syntheses of Coniferyl and Sinapyl Alcohols
F. Lu and J. Ralph
Effect of Diferulate Cross-linking on the Hydrolysis of Xylans and Nonlignified Walls by a Fungal Enzyme Mixture Containing Feruloyl Esterase and Potent Xylanase Activities
J.H. Grabber, R.D. Hatfield and J. Ralph
A Comparison of Tifton 85 and Coastal Bermudagrass Cell Walls
R.D. Hatfield, P. Mandebvu and J. West

RUMEN MICROBIOLOGY

Method for Measuring Gas Production Kinetics
D.R. Mertens and P.J. Weimer
Inocula Differences Affect In Vitro Gas Production Kinetics
D.R. Mertens, P.J. Weimer and G.C. Waghorn
Interactions Among Ruminal Cellulolytic Bacteria in Defined Cocultures under Cellulose Limitation
P.J. Weimer and J. Chen
Populations of Individual Species of Cellulolytic Bacteria in the Rumen of Lactating Cows Fed Different Diets
P.J. Weimer, C.L. Odt, G.C. Waghorn and D.R. Mertens
Degradability of Alfalfa Stem Tissues by Rumen Microorganisms
H.G. Jung and F.M. Engels
Kinetics of Cellulose Digestion by Fibrobacter Succinogenes S85
G. Maglione, J.B. Russell and D.B. Wilson
The Endogenous Metabolic Rate of Mixed Ruminal Bacteria and the Effect of Energy Starvation on Ruminal Fermentation Rates
J.S. Van Kessel and J.B. Russell
The Effect of Nisin and Monensin on Ruminal Fermentations In Vitro
T.R. Callaway, A.M.S. Carneiro DeMelo and J.B. Russell

FEED UTILIZATION BY CATTLE

Effect of Supplementing Low Levels of Monensin to Lactating Dairy Cows Fed Alfalfa Silage
G.A. Broderick
Value of Treating Alfalfa Silage With Fibrolytic Enzymes Prior to Feeding the Silage to Lactating Dairy Cows
G.A. Broderick, R. Derosa and S. Reynal
Effect of Feeding Corn Hybrids Selected for Leafiness or Grain to Lactating Dairy Cattle
C.S. Kuehn, J.G. Linn, D.G. Johnson and H.G. Jung
Alfalfa Leaf Meal: Evaluation as a Hay Replacement in Dairy Diets
J.-M. Akayezu, M.A. Jorgensen, J.G. Linn and H.G. Jung
Alfalfa Leaf Meal: Use as a Source of Supplemental Protein
M.A. Jorgensen, J.-M. Akayezu, J.G. Linn and H.G. Jung
Effect of Corn Silage Chop Length on Intake, Milk Production, and Rumen Function in Lactating Dairy Cows
C.S. Kuehn, J.G. Linn and H.G. Jung
Effect of Mechanical Conditioning on In Situ DM and NDF Disappearance of Alfalfa
T.J. Kraus, R.G. Koegel and D.R. Mertens
Effect of Feeding Macerated Alfalfa Silage on Digestibility and Milk Production by Dairy Cows
G.A. Broderick, T.J. Kraus, R.G. Koegel, E. Schneeberger and M. Mauries
Conjugated Linoleic Acid (CLA) Content of Milk From Cows Offered Diets Rich in Linoleic and Linolenic Acid
T.R. Dhiman, L.D. Satter, M.W. Pariza, M.P. Galli and K. Albright
Supplementation of Roasted Soybeans to Dairy Cows on Pasture
T.R. Dhiman, V.R. Kanneganti, L.D. Satter, R.P. Walgenbach and L.J. Massingill
Paddocks Containing Red Clover Compared to All Grass Paddocks Support High CLA Levels in Milk
Z. Wu, L.D. Satter, V.R. Kanneganti and M.W. Pariza
Milk Production and Reproductive Performance of Dairy Cows Fed Low or Normal Phosphorus Diets
Z. Wu and L.D. Satter
Comparison of Ground Shelled Corn and High Moisture Ear Corn of Two Particle Sizes for Their Effects on Milk Production and Rumen Fermentation When Cows Are Fed Green Chopped Grass-Legume Forage
F. San Emeterio, R.B. Reis, L.D. Satter and D.K. Combs

FARM/HERD REPORT - WISCONSIN

Annual Dairy Operations Report, January 1998
L.L. Strozinski
Annual Field Operations Report, January 1998
R.P. Walgenbach

PUBLICATIONS

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