Theme 09: Forage Quality

The XIX International Grassland Congress took place in São Pedro, São Paulo, Brazil from February 11 through February 21, 2001.
Proceedings published by Fundacao de Estudos Agrarios Luiz de Queiroz

XIX International Grassland Congress:
Forage Quality

Selenium and Sulphur Concentrations in Primary Growths of Different Plant Communities

W. Opitz von Boberfeld, Justus-Liebig-Universität, Germany

Effect of Level of Surface Spoilage on the Nutritive Value of Maize Silage Diets

K. K. Bolsen, Kansas State University
L. A. Whitlock, Kansas State University
G. L. Huck, Kansas State University
M. K. Siefers, Kansas State University
T. E. Schmidt, Kansas State University
R. V. Pope, Kansas State University
M. E. Uriarte, Kansas State University

Climatic Factors, Acid Detergent Fiber, Neutral Detergent Fiber and Crude Protein Contents in Digitgrass

C. S. Chen, Taiwan Livestock Research Institute, Taiwan
S. M. Wang, Taiwan Livestock Research Institute, Taiwan
Y. K. Chang, Taiwan Livestock Research Institute, Taiwan

Prediction of Intake of Hay Differing in Species and Maturity by Goats

S. W. Coleman, U.S. Department of Agriculture
S. P. Hart, Langston University
T. Sahlu, Langston University

Continuous Digestibility Assessment of Tropical Grasses

A. Chudy, Forschungsinstitut für die Biologie landwirtschaftlicher Nutztiere, Germany
T. Schmidt, Universität Rostock, Germany
A. Glatzle, Estación Experimental Chaco Central, Paraguay

Seasonal Variation of Brachiaria spp. Quality in the Pantanal of Mato Grosso Do Sul, Brazil

S. M. A. Crispim, EMBRAPA, Brazil
E. L. Cardoso, EMBRAPA, Brazil
F. Fernandes, EMBRAPA, Brazil

Application of Near Infrared Reflectance Spectroscopy (NIRS) to Forage Evaluation in Uruguay

D. Cozzolino, INIA, Uruguay
Y. Acosta, INIA, Uruguay
J. Garcia, INIA, Uruguay

In Situ Dry Matter Ruminal Degradation Kinetics of Prairie Grass and Annual Ryegrass Forage

J. R. Carrete, INTA, Argentina
I. Ceconi, INTA, Argentina

Studies on Feeding Value for Five Psammophyte Shrubs in Ningxia Region

Dongmei X., Ningxia Agricultural College, China
Weixian C., Ningxia Agricultural College, China
Sijia G., Ningxia Agricultural College, China
Xiangyun X., Ningxia National Economy and Trade Company, China

Effect of Burning and Management Alternatives on Forage Litter Composition of a Native Pasture

I. Heringer, Universidade Federal do Rio Grande do Sul, Brazil
A. V. A. Jacques, Universidade Federal do Rio Grande do Sul, Brazil

Nitrogen Fertiliser Effects on Perennial Ryegrass Nutritive and Nitrate Content during the Cool Season

Joseph L. Jacobs, Department of Natural Resources and Environment, Australia
Frank R. McKenzie, Department of Natural Resources and Environment, Australia

Nitrogen Concentration in Cell Wall of Warm-Season Perennial Grasses

G. F. C. Lima, EMBRAPA, Brazil
Lynn E. Sollenberger, University of Florida
J. E. Moore, University of Florida

Efficiency of Nitrogen Use in Dairy Cows Grazing Ryegrass with Different Water Soluble Carbohydrate Concentrations

L. A. Miller, Institute of Grassland and Environmental Research, UK
D. H. Baker, Institute of Grassland and Environmental Research, UK
M. K. Theodorou, Institute of Grassland and Environmental Research, UK
J. C. MacRae, Rowett Research Institute, UK
M. O. Humphreys, Institute of Grassland and Environmental Research, UK
N. D. Scollan, Institute of Grassland and Environmental Research, UK
J. M. Moorby, Institute of Grassland and Environmental Research, UK

Effect of Maceration on in Sacco Degradability and Energy Content of Low-Moisture Round Bale Alfalfa Silage

K. Nonaka, Hokkaido National Agricultural Experiment Station, Japan
S. Kume, Hokkaido National Agricultural Experiment Station, Japan
T. Ohshita, Hokkaido National Agricultural Experiment Station, Japan

Nitrate Accumulation in a Sorghum-Sudangrass Hybrid as Influenced by Nitrogen Fertilization

A. Elgersma, Wageningen University, The Netherlands
I. Y. Tecle, Wageningen University, The Netherlands
T. Provin, Texas A&M University

The Role of Grass Feeding in Improving Oxidative Stability and Increasing Vitamin B12 Content of Beef and Veal

V. Pastushenko, Rostock University, Germany
H.-D. Matthes, Rostock University, Germany
H. Heinrich, LABO TECH Labotechnik GmbH, Germany
Z. Holzer, Agricultural Research Organization, Israel
T. Prokopyuk, Rostock University, Germany

Boron Fertilization Effects on Nutritive Parameters of Alfalfa

F. M. Rouquette Jr., Texas A&M University
V. A. Haby, Texas A&M University
J. O. Fritz, Kansas State University
M. Collins, University of Kentucky

Different Harvest Schedules to Prepare Deferred Forage from C4 Grasses in Córdoba, Argentina

M. R. Steinberg, Universidad Nacional de Córdoba, Argentina
E. F. Nienstedt, Universidad Nacional de Córdoba, Argentina
H. A. Valdez, Universidad Nacional de Córdoba, Argentina
J. C. Coraglio, Universidad Nacional de Córdoba, Argentina
C. A. Vieyra, Universidad Nacional de Córdoba, Argentina
P. A. Minuzzi, Universidad Nacional de Córdoba, Argentina

Comparison of Summer Forages and the Effect of Nitrogen Fertilizers on Brassica Forages in Tasmania

A. A. Salardini, University of Tasmania, Australia
R. J. Eckard, University of Tasmania, Australia
D. R. Franks, University of Tasmania, Australia

Maturity and Fertilization Effects on Leaf Blade Tissue Percentages of Contrasting Fescue Cultivars

L. B. Tempone, Universidad Nacional de Mar del Plata, Argentina
M. S. Cid, Universidad Nacional de Mar del Plata, Argentina
M. A. Brizuela, Universidad Nacional de Mar del Plata, Argentina
M. C. Nunciari, Universidad Nacional de Mar del Plata, Argentina
M. G. Cendoya, Universidad Nacional de Mar del Plata, Argentina

Effect of Water-Soluble Browning Products in Heated Herbages on Rumen Microorganisms

E. Touno, Tohoku National Agricultural Experiment Station, Japan
A. Takenaka, Tohoku National Agricultural Experiment Station, Japan
T. Kondo, Tohoku National Agricultural Experiment Station, Japan
O. Tanaka, Tohoku National Agricultural Experiment Station, Japan
M. Murai, Tohoku National Agricultural Experiment Station, Japan

Supplementation with Brosimum alicastrum Swartz to Pelibuey Sheep Fed Low Quality Rations

Luis Ramírez-Avilés, Universidad de Yucatán, Mexico
V. Valdivia-Salgado, Universidad de Yucatán, Mexico
Juan C. Ku-Vera, Universidad de Yucatán, Mexico

Amaranth Productivity and Nutrient Composition in Central Georgia

W. F. Whitehead, Fort Valley State University
Thomas H. Terrill, Fort Valley State University
B. P. Singh, Fort Valley State University
S. Gelaye, Fort Valley State University

In Vitro Gas Production Technique to Predict DMD of Ensiled Forage Ruminant Based Diets

M. Wawrzkiewicz, Universidad de Buenos Aires, Argentina
J. L. Danelón, Universidad de Buenos Aires, Argentina
G. Jaurena, Universidad de Buenos Aires, Argentina

Forage Quality, Yield and Palatability of Quackgrass (Elytrigia repens (L.) Nevski)

T. Yagi, Tohoku National Agricultural Experiment Station, Japan
R. Meguro, Tohoku National Agricultural Experiment Station, Japan
E. Fukuda, Tohoku National Agricultural Experiment Station, Japan

Prediction of Dry Matter Intake Based on Ruminal Degradation from Milking Cows Grazing Coast-Cross Grass

T. T. Berchielli, Universidade Estadual Paulista, Brazil
J. P. G. Soares, Universidade Estadual Paulista, Brazil
L. J. M. Aroeira, EMBRAPA, Brazil
C. L. Furlan, Universidade Estadual Paulista, Brazil
A. K. D. Salman, Universidade Estadual Paulista, Brazil
R. N. da Silveira, Universidade Estadual Paulista, Brazil
E. B. Malheiros, Universidade Estadual Paulista, Brazil

Establishment of Tanzania Grass Pasture Using Millet as a Companion Crop

José C. Pinto, Universidade Federal de Lavras, Brazil
M. C. Maia, Universidade Federal de Lavras, Brazil
I. F. de Andrade, Universidade Federal de Lavras, Brazil
I. P. A. dos Santos, Universidade Federal de Lavras, Brazil
E. R. P. Bomfim, Universidade Federal de Lavras, Brazil
K. R. Soares, Universidade Federal de Lavras, Brazil

Effective Growing Degree Days as a Critical Factor for Yield and Qualitative Values of Timothy in Subarctic Growing Conditions

Oiva Nissinen, Agricultural Research Centre of Finland, Finland

Duration of Regrowth of Ryegrass (Lolium perenne) Swards: Effects on Rumen Fermentation of Lactating Dairy Cows

P. Chilibroste, Universidad de la República, Uruguay
S. Tamminga, Wageningen Institute of Animal Science, The Netherlands
H. Boer, Wageningen Institute of Animal Science, The Netherlands

A Simple Method for Estimating Alfalfa Fiber Content in the Field

Reuben M. Sulc, The Ohio State University
K. A. Albrecht, University of Wisconsin-Madison
V. N. Owens, South Dakota State University

Observation of Bundle Sheath Digestion of Panicum maximum Jacq,

B. Lempp, Universidade Federal de Mato Grosso do Sul, Brazil
Valéria P. B. Euclides, EMBRAPA, Brazil
Maria da Graça Morais, Universidade Federal de Mato Grosso do Sul, Brazil
D. M. Victor, Universidade Federal de Mato Grosso do Sul, Brazil

Determination of n-Alkanes at Different Stratum Heights in a Pasture of Panicum maximum cv. Mombaça

T. C. M. Genro, Universidade Federal de Santa Maria, Brazil
L. R. L. de S. Thiago, EMBRAPA, Brazil
Ê. R. Prates, Universidade Federal do Rio Grande do Sul, Brazil
M. Herrero, University of Edinburgh, UK
V. Sabatel, EMBRAPA, Brazil

Identification and Quantification of n-Alkanes in Three Tropical Grasses

T. C. M. Genro, Universidade Federal de Santa Maria, Brazil
Ê. R. Prates, Universidade Federal do Rio Grande do Sul, Brazil
L. R. L. de S. Thiago, EMBRAPA, Brazil
M. Herrero, University of Edinburgh, UK
V. Sabatel, EMBRAPA, Brazil

Intake and Qualitative Aspects of Guinea Grass Grazed by Sheep over Three Different Seasons

Willem A. van Niekerk, University of Pretoria, South Africa

Near Infra-Red Measurement of Nonstructural Carbohydrates in Alfalfa Hay

H. F. Mayland, U.S. Department of Agriculture
J. C. Burns, U.S. Department of Agriculture
D. S. Fisher, U.S. Department of Agriculture
Glenn E. Shewmaker, University of Idaho

Herbivore Preference for Afternoon- and Morning-Cut Forages and Adoption of Cutting Management Strategies

H. F. Mayland, U.S. Department of Agriculture
J. C. Burns, U.S. Department of Agriculture
D. S. Fisher, U.S. Department of Agriculture
Glenn E. Shewmaker, University of Idaho
R. Carlstrom, Montana State University
D. S. Cash, Montana State University

In Situ Degradability of Hand Harvested or Extrusa Samples of Tanzania Grass (Panicum maximum, Jacq.)

T. T. Berchielli, Universidade Estadual Paulista, Brazil
A. K. D. Salman, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Brazil
R. N. Silveira, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Brazil
W. V. B. Soares, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Brazil
J. R. Nogueira, Instituto de Zootecnia, Brazil
S. N. Kronka, Universidade Estadual Paulista, Brazil

Dry Matter Yield, in Vitro Digestibility, Protein and Fiber Composition of 'Tifton 9' Bahiagrass (Paspalum notatum) at Six Maturities

J. M. B. Vendramini, Wilton Lupo Administration, Brazil
C. M. Haddad, Universidade de São Paulo, Brazil
Carlos G. S. Pedreira, Universidade de São Paulo, Brazil

Ramon (Brosimun alicastrum) Foliage as Supplement for Lactating Dual Purpose Cows

Carlos A. Sandoval-Castro, Universidad Autónoma de Yucatán, Mexico
R. Cetina, Universidad Autónoma de Yucatán, Mexico
I. Pérez, Universidad Autónoma de Yucatán, Mexico
Luis Ramírez-Avilés, Universidad Autónoma de Yucatán, Mexico

Agronomic Potential and Nutritive Value of Promising Leucaena Species in the Yucatan Peninsula

Luis Ramírez-Avilés, University of Yucatán, Mexico
W. O. Cruz, University of Yucatán, Mexico
Francisco J. Solorio-Sánchez, University of Yucatán, Mexico

Importance of Considering Rate of Passage When Determining Energy Content of Forages for High Producing Animals

Dan J. Undersander, University of Wisconsin-Madison
D. K. Combs, University of Wisconsin-Madison
Edgard P. Beyer
Marcello T. Rodrigues

Nutritional Quality of Digitaria eriantha Steudel. Subsp. Eriantha cv. Irene

M. J. L. Privitello, Universidad Nacional de San Luis, Argentina
R. L. Sager, Universidad Nacional de San Luis, Argentina

Intake and Digestibility of Black Locust Foliage Fed to Growing Goat Wethers

L. J. Unruh, North Carolina State University
J-M. Luginbuhl, North Carolina State University
J. P. Mueller, North Carolina State University

High Yielding and Disease Resistant Elephant Grass Suitable for Intensive Smallholder Dairy Farmers in Kenya

A. B. Orodho, KARI Regional Research Centre, Kenya

The Effect of Plant Population on the Yield and Quality of Annual Rye-Grass

M. E. V. L. Lourenço, Universidade de Évora, Portugal
P. M. M. Palma, Universidade de Évora, Portugal

Forage Production and Nutritive Value of Four Promising Sorghum X Sudangrass Hybrid in Korea

S. Seo, National Livestock Research Institute, South Korea
J. G. Kim, National Livestock Research Institute, South Korea
E. S. Chung, National Livestock Research Institute, South Korea
J. K. Lee, National Livestock Research Institute, South Korea
S. H. Yoon, National Livestock Research Institute, South Korea

Evaluation of Ten Tropical Grasses in the Northwest Region of the State of São Paulo-Brazil

C. V. Soares Filho, Universidade Estadual Paulista, Brazil
L. R. de A. Rodrigues, Universidade Estadual Paulista, Brazil

Screening Fresh Forages for Protein Degradation and Nutritive Value

Garry C. Waghorn, AgResearch, New Zealand
J. L. Burke, Massey University, New Zealand

The Effect of Perennial Ryegrass Cultivar Lock up Length and Nitrogen on Forage Quality for Silage

Joseph L. Jacobs, Department of Natural Resources and Environment, Australia
Frank R. McKenzie, Department of Natural Resources and Environment, Australia
G. N. Ward, Department of Natural Resources and Environment, Australia

Forage Quality and the Environment

C. E. Lascano, Centro Internacional de Agricultura Tropical, Colombia
A. Schmidt, University of Hohenheim, Germany
R. Barahona, Institute of Grassland and Environmental Research, UK

Research on Forage Quality: Progress and Priorities

J. A. Milne, Macaulay Land Use Research Institute, UK