Track 09-1: Livestock Production Systems

The 21st International Grassland Congress / 8th International Rangeland Congress took place in Hohhot, China from June 29 through July 5, 2008.
Proceedings edited by Organizing Committee of 2008 IGC/IRC Conference
Published by Guangdong People's Publishing House

21st International Grassland Congress/
8th International Rangeland Congress:
Soil Quality and Plant Nutrition

The Challenges of Cropping and Forestry Intensification on Grasslands Livestock Production Systems: The Uruguayan Case

F. Montossi, INIA, Uruguay
Walter Ayala, INIA, Uruguay
R. Díaz, INIA, Uruguay

Sustainable and Profitable Grazing Management in a Highly Variable Environment‐Evidence and Insights from a Long Term Grazing Trial in Northern Australia

Peter O’Reagain, Department of Primary Industries and Fisheries, Australia
John Bushell, Department of Primary Industries and Fisheries, Australia

Choice by Cattle between Conterminous Monocultures of Two Tropical Grasses

Masahiko Hirata, University of Miyazaki, Japan

Production System Elements Related to Fat Distribution in Beef Steers

J. W. Holloway, Texas A&M University
E. K. Bumpus, Texas A&M University
J. Sawyer, Texas A&M University
B. G. Warrington, Texas A&M University
R. R. Scott, Texas A&M University
T. D. A. Forbes, Texas A&M University

Use of Ethnoveterinary Plants by Indigenous Rangeland Community of Kanyakumari District, Tamil Nadu, India

D. Kannan, Amrita Vishwa Vidyapeetham University, India
S. Jeeva, North‐Eastern Hill University, India

Response of Plantain and Chicory to Frequency and Intensity of Cutting

Y. Yu, Massey University, New Zealand
M. X. Long, Massey University, New Zealand
D. W. Zhou, Massey University, New Zealand
Peter D. Kemp, Massey University, New Zealand

Lamb Growth on Leaf Turnips, White Clover and Pasture in Summer

C. L. Lindsay, Massey University, New Zealand
Peter D. Kemp, Massey University, New Zealand
Paul R. Kenyon, Massey University, New Zealand
Stephen T. Morris, Massey University, New Zealand
A. J. Wall, Massey University, New Zealand

Effect of High and Low Pasture Allowance during Pregnancy on Ewe Lamb Pregnancy Performance

Paul R. Kenyon, Massey University, New Zealand
F. J. Mulvaney, Massey University, New Zealand
Stephen T. Morris, Massey University, New Zealand
D. M. West, Massey University, New Zealand

Supplementary Feed to Improve the Production of Dairy Cattle under Zero Grazing Condition in Bangladesh

M. A. S. Khan, Bangladesh Agricultural University, Bangladesh
M. A. Islam, Bangladesh Agricultural University, Bangladesh

Comparison of Grazing Behaviour between Goat and Sheep in a Steppe Rangeland of Iran

Abbasali Sanadgol
Leili Abolhassani
Hosein Bagheri

Relationships between Pasture Management Inputs and Pasture Consumption Rates in Non‐Irrigateddairy Systems in South‐Eastern Australia

J. Tharmaraj, University of Melbourne, Australia
D. F. Chapman, University of Melbourne, Australia
J. Hill, University of Melbourne, Australia

Ecosystem Response to Cell Grazing in Australian Rangelands

B. M. Alchin, The University of Queensland, Australia
M. Page, The University of Queensland, Australia
O. Bosch, The University of Queensland, Australia

Can We Really Understand Our Grasslands with Short-Term Experiments?

Vivien G. Allen, Texas Tech University
David R. Kemp, Charles Sturt University, Australia
David L. Michalk, Department of Primary Industries, Australia

Legumes versus Nitrogen Fertilizer to Increase Production from Warm‐Season Grass Pastures

Bruce Anderson, University of Nebraska, Lincoln

Effect of Community Grazing Regulation on Degraded Grasslands in Inner Mongolia

Ian Auldist
Zihong Chen
E. Erdun Baolige

Nguni--A New Old Cattle Breed for Rangelands in Communal Areas of South Africa

Wolfgang Bayer, ETC EcoCulture, The Netherlands
Brigid Letty, Institute of Natural Resources, South Africa
Rauri Alcock, Mdukatshani Rural Development Project, South Africa

Potential Economic Benefit of Intensification of Beef Production in Australian Rangelands: An Operational Case Study Perspective

Mark A. Best, Department of Primary Industries and Fisheries, Australia

Urinary‐Nitrogen Output by Dairy Cows in Conventional and Organic Grazing Systems

I. M. Brookes, Massey University, New Zealand
David J. Horne, Massey University, New Zealand
A. R. Thatcher, Massey University, New Zealand

Forage‐Based Indicators of Environmental Sustainability of Dairy Farms in Eastern Canada

V. Bélanger, Université Laval, Canada
A. Vanasse, Université Laval, Canada
Gilles Bélanger, Agriculture and Agri-Food Canada, Canada
D. Angers, Agriculture and Agri-Food Canada, Canada
Guy Allard, Université Laval, Canada

Performance of Crossbred Nelore Steers on Non‐Irrigated and Irrigated Brachiaria brizantha cv MG5 in Rotational Grazing System

Rita de Cássia Ribeiro Carvalho, Universidade Federal de Lavras, Brazil
José C. Pinto, Universidade Federal de Lavras, Brazil
Wellington W. Rocha, Fundação de Ensino Superior de Passos, Brazil
Ayeska Hübner Braga Nunes, Fundação de Ensino Superior de Passos, Brazil
Emar Gustavo de Faria, Fundação de Ensino Superior de Passos, Brazil
Carla Luiza da Silva Ávila, Universidade Federal de Lavras, Brazil

A Practical System for WA South Coast Cattle Producers to Double Their Production with the C4 Grass, Kikuyu (Pennisetum clandestinum)

Nicole Y. Chalmer

Prime Lamb Production on Acid Soils in High Rainfall Region in Southern Australia

Gong Chen, Yunnan Agricultural University, China
G. D. Li, E H Graham Centre for Agricultural Innovation, Australia

Pasture Growth Forecasts for Temperate Regions in Southeastern Australia

Brendan R. Cullen, University of Melbourne, Australia
Richard J. Eckard, University of Melbourne, Australia
I. R. Johnson, IMJ Consultants, Australia

Rotational Grazing on Rangelands: An Assessment of the Experimental Evidence

Justin D. Derner, U.S. Department of Agriculture
David D. Briske, Texas A&M University
J. R. Brown, U.S. Department of Agriculture
S. D. Fuhlendorf, Oklahoma State University
Kris M. Havstad, U.S. Department of Agriculture
R. L. Gillen, Kansas State University
A. J. Ash, CSIRO, Australia
Walter D. Willms, Agriculture and Agri-Food Canada, Canada

Indigenous Yak and Yak‐Cattle Crossbreed Management in High Altitude Areas of Northern Nepal: A Case Study from Rasuwa District

Shikui Dong, Beijing Normal University, China
Eklabya Sharma, International Centre for Integrated Mountain Development, Nepal
Z. L. Yan, International Centre for Integrated Mountain Development, Nepal
K. K. Shrestha, Nepal Agricultural Research Council, Nepal
D. Pariya, Nepal Agricultural Research Council, Nepal

Milk Intake Improves Outcomes for Young Lambs with Continuous Exposure to Gastrointestinal Parasites in Pasture‐Based System

Robyn A. Dynes, AgResearch, New Zealand
Ray A. Moss, AgResearch, New Zealand
R. W. McAnulty, Lincoln University, New Zealand
Alec D. Mackay, AgResearch, New Zealand

Growth of Carcass Tissues in Grazing Nursing Calves Supplemented or Not

H. J. Fernandes, State University of Mato Grosso do Sul, Brazil
A. A. Rocha, Federal University of Viçosa, Brazil
M. F. Paulino, Federal University of Viçosa, Brazil
A. G. Silva, Federal University of Viçosa, Brazil
J. Cavali, Federal University of Viçosa, Brazil
M. O. Porto, Federal University of Viçosa, Brazil
J. C. de Souza, Federal University of Paraná, Brazil
L. M. Paiva, State University of Mato Grosso do Sul, Brazil

Nutritional Parameters of Grazing Nursing Calves 1: Rumen Microbial Production

H. J. Fernandes, State University of Mato Grosso do Sul, Brazil
J. Cavali, Federal University of Viçosa, Brazil
A. G. Silva, Federal University of Viçosa, Brazil
M. F. Paulino, Federal University of Viçosa, Brazil
A. A. Rocha, Federal University of Viçosa, Brazil
M. O. Porto, Federal University of Viçosa, Brazil
L. M. Paiva, State University of Mato Grosso do Sul, Brazil

Nutritional Parameters of Grazing Calves in Milking Phase 2: Protein Metabolism

H. J. Fernandes, State University of Mato Grosso do Sul, Brazil
A. A. Rocha, Federal University of Viçosa, Brazil
J. Cavali, Federal University of Viçosa, Brazil
A. G. Silva, Federal University of Viçosa, Brazil
M. F. Paulino, Federal University of Viçosa, Brazil
L. M. Paiva, State University of Mato Grosso do Sul, Brazil
M. O. Porto, Federal University of Viçosa, Brazil
J. C. de Souza, Federal University of Paraná, Brazil

Comparison of Ewe Lamb Growth on Herb Based and Ryegrass Based Pastures

K. P. Golding, Massey University, New Zealand
Paul R. Kenyon, Massey University, New Zealand
Stephen T. Morris, Massey University, New Zealand
Peter D. Kemp, Massey University, New Zealand

Effectiveness of Infrastructure Developments in Achieving Uniform Grazing Distribution on Extensive Cattle Properties in Northern Australia

L. P. Hunt, CSIRO, Australia
S. R. Petty, Heytesbury Beef, Australia
R. Cowley, Department of Primary Industries, Fisheries and Mines, Australia
A. Fisher, Natural Resources, Environment and the Arts, Australia
A. J. Ash, CSIRO, Australia
N. MacDonald

Grazing Systems Demonstration to Optimise Pasture Utilisation and Stocking Rate in Mediterranean Environments of Southern Australia

M. W. Hyder, Western Australian Department of Agriculture and Food, Australia
L. Anderton, Western Australian Department of Agriculture and Food, Australia
S. Shaw, Western Australian Department of Agriculture and Food, Australia
R. M. McTaggart, Western Australian Department of Agriculture and Food, Australia
D. Roberts, Western Australian Department of Agriculture and Food, Australia
T. W. Plaisted, Western Australian Department of Agriculture and Food, Australia
J. Douglas, Western Australian Department of Agriculture and Food, Australia

Sustainable Management of Semi‐Arid Rangelands and Optimal Paddock Size‐-An Ecological‐Economic Modelling Analysis

O. Jakoby, Helmholtz Centre for Environmental Research, Germany
M. F. Quaas, Christian‐Albrechts‐Universität, Germany

Effect of Restricted Access Time to Pasture on Dairy Cow Milk Production, Grazing Behaviour and Dry Matter Intake

Emer Kennedy, Teagasc, Ireland
M. O'Donovan, Teagasc, Ireland

Effect of Winter Closing Date and Spring Opening Date on the DM Yield of Perennial Ryegrass Cultivars

Emer Kennedy, Teagasc, Ireland
M. O'Donovan, Teagasc, Ireland
Mary McEvoy, Teagasc, Ireland

Integrated Management of Feral Camels in Ngaanyatjarra Aboriginal Lands, Australia

Gordon Sanders, Ngaanyatjarra Council, Australia
A. Knight, Ngaanyatjarra Council, Australia

Development of a Model of Growth of Grass/White Clover Swards for a Grassland Management Support System

A. Scott Laidlaw, Agri‐Food and Biosciences Institute, UK

Evaluation of the Productivity and Grazing Capacity of Cool Season Grasses

H. A. Lardner, Western Beef Development Centre, Canada
C. Ward, University of Saskatchewan, Canada
L. Froehlich, Western Beef Development Centre, Canada
L. Zemlak, Western Beef Development Centre, Canada

Effect of Defoliation Frequency and Severity during Winter on Herbage Regrowth and Water‐Soluble Carbohydrate Content of Perennial Ryegrass (Lolium perenne L.) Dominant Swards

Julia M. Lee, DairyNZ, New Zealand
D. J. Donaghy, TIAR, Australia
P. Sathish, Pastoral Genomics, New Zealand
J. R. Roche, DairyNZ, New Zealand

Intake and Apparent Digestibility of Silages Obtained from Four Sunflower (Helianthus annuus) Genotypes

Rogerio M. Mauricio, Pontifícia Universidade Católica de Minas Gerais, Brazil
N. M. Rodriguez, Universidade Federal de Minas Gerais, Brazil
L. C. Gonçalves, Universidade Federal de Minas Gerais, Brazil
D. G. Jayme, Centro Federal de Educação Tecnológica, Brazil
J. A. S. Rodrigues, EMBRAPA, Brazil
L. F. Sousa, Universidade Federal de Minas Gerais, Brazil
W. G. Faria, Universidade Federal de Minas Gerais, Brazil
G. O. Ribeiro, Universidade Federal de Minas Gerais, Brazil

Utilisation of Near Infrared Spectroscopy to Optimise Productivity of Grazing Animals in the Western Australian Rangelands

Peter McCafferty, Chemistry Centre, Australia
Gaye Krebs, Curtin University of Technology, Australia
Kevin Ho, Chemistry Centre, Australia
Ken Dods, Chemistry Centre, Australia
Kumara Mahipala, Curtin University of Technology, Australia

How Canadian Farmers Are Extending the Grazing Season--A Research Success Story

Duane H. McCartney, Agriculture and Agri-Food Canada, Canada

The Effect of Pre‐Grazing Herbage Mass on Milk Production and of Dairy Cows in Mid‐Lactation

Mary McEvoy, Teagasc, Ireland
M. O'Donovan, Teagasc, Ireland
Tommy M. Boland, University College Dublin, Ireland
Luc Delaby, INRA, France

Two Techniques to Measure Herbage Intake of Grazing Dairy Cows

Mary McEvoy, Teagasc, Ireland
M. O'Donovan, Teagasc, Ireland
Tommy M. Boland, University College Dublin, Ireland
Luc Delaby, INRA, France

The Effect of Rapid Paddock Movement on Yearling Steer Weight Gain and Forage Condition in North‐Central Nebraska, USA

D. G. Mickey Steward, Flying M Ranch

Thermal Time Requirements for Leaf Appearance of Frontier Balansa Clover

D. P. Monks, Lincoln University, New Zealand
D. J. Moot, Lincoln University, New Zealand

Live Weight Gain of Beef Cattle Steers on Panicum maximum cv. Tanzania Subjected to Intensities of Rotational Grazing

Domicio Nascimento Jr., Universidade Federal de Viçosa, Brazil
G. S. Difante, EMBRAPA, Brazil
Valéria P. B. Euclides, EMBRAPA, Brazil
Sila C. da Silva, Universidade de São Paulo, Brazil
R. A. Torres, EMBRAPA, Brazil

Relationship between Pre‐Wilting and in vitro Digestibility of Organic Matter

W. Opitz von Boberfeld, Justus-Liebig‐University Giessen, Germany

Sustainable Stocking Strategies Are Profitable in Managing for Climate Variability in a North Australian Savanna

Peter O’Reagain, Department of Primary Industries and Fisheries, Australia
John Bushell, Department of Primary Industries and Fisheries, Australia

Forage Mass, Carrying Capacity and Daily Weight Gain of Crossbred Heifers in Silvopastoral System or Exclusive Signalgrass Pasture

Domingos S. C. Paciullo, EMBRAPA, Brazil
L. J. M. Aroeira, EMBRAPA, Brazil
M. J. Alvim, EMBRAPA, Brazil
F. J. N. Costa, EMBRAPA, Brazil