All Stories

  1. Mitigating methane emissions in grazing beef cattle with a seaweed-based feed additive: Implications for climate-smart agriculture

    Article • Proceedings of the National Academy of Sciences, December 2024, Proceedings of the National Academy of Sciences

    Professor Ermias Kebreab

  2. Net reductions in greenhouse gas emissions from feed additive use in California dairy cattle

    Article • PLoS ONE, September 2020, PLOS

    Professor Ermias Kebreab

  3. Quantifying body water kinetics and fecal and urinary water output from lactating Holstein dairy cows

    Article • Journal of Dairy Science, October 2014, American Dairy Science Association

    Professor Ermias Kebreab

  4. Improving the prediction of methane production and representation of rumen fermentation for finishing beef cattle within a mechanistic model

    Article • Canadian Journal of Animal Science, September 2014, Canadian Science Publishing

    Professor Ermias Kebreab

  5. Climate-smart agriculture global research agenda: scientific basis for action

    Article • Agriculture & Food Security, August 2014, Springer Science + Business Media

    Professor Ermias Kebreab

  6. Effects of phytase supplementation on phosphorus retention in broilers and layers: A meta-analysis

    Article • Poultry Science, June 2014, Oxford University Press (OUP)

    Professor Ermias Kebreab

  7. Framework of innovation for a sustainable future in animal agriculture - mini review.

    Article • CABI Reviews, June 2014, CABI Publishing

    Professor Ermias Kebreab

  8. Energy and nutrient deposition and excretion in the reproducing sow: Model development and evaluation

    Article • Journal of Animal Science, May 2014, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  9. Improving the prediction of methane production and representation of rumen fermentation for finishing beef cattle within a mechanistic model

    Article • Canadian Journal of Animal Science, May 2014, Canadian Science Publishing

    Professor Ermias Kebreab

  10. Prediction of enteric methane emissions from cattle

    Article • Global Change Biology, April 2014, Wiley

    Professor Ermias Kebreab

  11. Estimating enteric methane emissions from Chilean beef fattening systems using a mechanistic model

    Article • The Journal of Agricultural Science, April 2014, Cambridge University Press

    Professor Ermias Kebreab

  12. Livestock methane emissions in the United States

    Article • Proceedings of the National Academy of Sciences, March 2014, Proceedings of the National Academy of Sciences

    Professor Ermias Kebreab

  13. Nitrous Oxide Emissions from a Clay Soil Receiving Granular Urea Formulations and Dairy Manure

    Article • Agronomy Journal, January 2014, American Society of Agronomy

    Professor Ermias Kebreab

  14. Prediction of nitrogen use in dairy cattle: a multivariate Bayesian approach

    Article • Animal Production Science, January 2014, CSIRO Publishing

    Professor Ermias Kebreab

  15. Development of mathematical models to predict volume and nutrient composition of fresh manure from lactating Holstein cows

    Article • Animal Production Science, January 2014, CSIRO Publishing

    Professor Ermias Kebreab

  16. Trends in greenhouse gas emissions from dairy cattle in Mexico between 1970 and 2010

    Article • Animal Production Science, January 2014, CSIRO Publishing

    Professor Ermias Kebreab

  17. Bayesian analysis of energy balance data from growing cattle using parametric and non-parametric modelling

    Article • Animal Production Science, January 2014, CSIRO Publishing

    Professor Ermias Kebreab

  18. Proceedings of the 2013 Meeting of the Animal Science Modelling Group

    Article • Canadian Journal of Animal Science, December 2013, Canadian Science Publishing

    Professor Ermias Kebreab

  19. SPECIAL TOPICS -- Mitigation of methane and nitrous oxide emissions from animal operations: I. A review of enteric methane mitigation options

    Article • Journal of Animal Science, September 2013, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  20. SPECIAL TOPICS -- Mitigation of methane and nitrous oxide emissions from animal operations: III. A review of animal management mitigation options

    Article • Journal of Animal Science, September 2013, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  21. Invited review: Sustainability of the US dairy industry

    Article • Journal of Dairy Science, September 2013, American Dairy Science Association

    Professor Ermias Kebreab

  22. Interpreting experimental data on egg production--Applications of dynamic differential equations

    Article • Poultry Science, August 2013, Oxford University Press (OUP)

    Professor Ermias Kebreab

  23. Anti-methanogenic effects of monensin in dairy and beef cattle: A meta-analysis

    Article • Journal of Dairy Science, August 2013, American Dairy Science Association

    Professor Ermias Kebreab, Dr Susantha Jayasundara

  24. Meta-analysis of factors that affect the utilization efficiency of phosphorus in lactating dairy cows

    Article • Journal of Dairy Science, June 2013, American Dairy Science Association

    Professor Ermias Kebreab

  25. A mathematical model for determining age-specific diabetes incidence and prevalence using body mass index

    Article • Annals of Epidemiology, May 2013, Elsevier

    Professor Ermias Kebreab

  26. Technical options for the mitigation of direct methane and nitrous oxide emissions from livestock: a review

    Article • animal, January 2013, Elsevier

    Professor Ermias Kebreab

  27. Feed management practices to reduce manure phosphorus excretion in dairy cattle

    Article • Advances in Animal Biosciences, January 2013, Elsevier

    Professor Ermias Kebreab

  28. Germination Ecophysiology

    Article • January 2013, Springer Science + Business Media

    Professor Ermias Kebreab

  29. Energy and protein metabolism and nutrition in sustainable animal production

    Article • January 2013, Brill

    Professor Ermias Kebreab

  30. Sustainable animal agriculture

    Article • January 2013, CABI Publishing

    Professor Ermias Kebreab

  31. Challenges in ruminant nutrition: towards minimal nitrogen losses in cattle

    Article • January 2013, Wageningen Academic Publishers

    Professor Ermias Kebreab

  32. A structural equation model to analyze energy utilization in lactating dairy cows

    Article • January 2013, Wageningen Academic Publishers

    Professor Ermias Kebreab

  33. Technological innovations in animal production related to environmental sustainability

    Article • Revista Brasileira de Saúde e Produção Animal, December 2012, FapUNIFESP (SciELO)

    Professor Ermias Kebreab

  34. Animal production for efficient phosphate utilization: from optimized feed to high efficiency livestock

    Article • Current Opinion in Biotechnology, December 2012, Elsevier

    Professor Ermias Kebreab

  35. Application of the law of diminishing returns to partitioning metabolizable energy and crude protein intake between maintenance and growth in egg-type pullets

    Article • The Journal of Applied Poultry Research, September 2012, Oxford University Press (OUP)

    Professor Ermias Kebreab

  36. Calcium and phosphorus utilization in growing sheep supplemented with dicalcium phosphate

    Article • The Journal of Agricultural Science, August 2012, Cambridge University Press

    Professor Ermias Kebreab

  37. Quantifying the effect of monensin dose on the rumen volatile fatty acid profile in high-grain-fed beef cattle

    Article • Journal of Animal Science, August 2012, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  38. Quantifying the effect of monensin dose on the rumen volatile fatty acid profile in high-grain fed beef cattle

    Article • Journal of Animal Science, May 2012, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  39. Bayesian simultaneous equation models for the analysis of energy intake and partitioning in growing pigs

    Article • The Journal of Agricultural Science, April 2012, Cambridge University Press

    Professor Ermias Kebreab

  40. Bioperformance evaluation of various summer pasture and winter feeding strategies for cow-calf production

    Article • Canadian Journal of Animal Science, March 2012, Canadian Science Publishing

    Professor Ermias Kebreab

  41. Predicting milk yield and composition in lactating sows: A Bayesian approach

    Article • Journal of Animal Science, February 2012, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  42. Ruminal pH regulation and nutritional consequences of low pH

    Article • Animal Feed Science and Technology, February 2012, Elsevier

    Professor Ermias Kebreab

  43. Effect of high-sugar grasses on methane emissions simulated using a dynamic model

    Article • Journal of Dairy Science, January 2012, American Dairy Science Association

    Professor Ermias Kebreab

  44. Agroecology: A Review from a Global-Change Perspective

    Article • Annual Review of Environment and Resources, November 2011, Annual Reviews

    Professor Ermias Kebreab

  45. Calcium and phosphorus dynamics in commercial laying hens housed in conventional or enriched cage systems

    Article • Poultry Science, September 2011, Oxford University Press (OUP)

    Professor Ermias Kebreab

  46. Short communication: Effects of supplementation with pomegranate seed pulp on concentrations of conjugated linoleic acid and punicic acid in goat milk

    Article • Journal of Dairy Science, August 2011, American Dairy Science Association

    Professor Ermias Kebreab

  47. An extended model of phosphorus metabolism in growing ruminants

    Article • Journal of Animal Science, July 2011, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  48. Estimating digestible methionine requirements for laying hens using multivariate nonlinear mixed effect models

    Article • Poultry Science, June 2011, Oxford University Press (OUP)

    Professor Ermias Kebreab

  49. Predictions of enteric methane emissions for various summer pasture and winter feeding strategies for cow calf production

    Article • Animal Feed Science and Technology, June 2011, Elsevier

    Professor Ermias Kebreab

  50. Estimation of enteric methane emissions trends (1990–2008) from Manitoba beef cattle using empirical and mechanistic models

    Article • Canadian Journal of Animal Science, June 2011, Canadian Science Publishing

    Professor Ermias Kebreab

  51. The effect of high-sugar grass on predicted nitrogen excretion and milk yield simulated using a dynamic model

    Article • Journal of Dairy Science, June 2011, American Dairy Science Association

    Professor Ermias Kebreab

  52. Evaluation of models to predict the stoichiometry of volatile fatty acid profiles in rumen fluid of lactating Holstein cows

    Article • Journal of Dairy Science, June 2011, American Dairy Science Association

    Professor Ermias Kebreab

  53. Rumen stoichiometric models and their contribution and challenges in predicting enteric methane production

    Article • Animal Feed Science and Technology, June 2011, Elsevier

    Professor Ermias Kebreab

  54. A Bayesian approach to analyze energy balance data from lactating dairy cows1

    Article • Journal of Dairy Science, May 2011, American Dairy Science Association

    Professor Ermias Kebreab

  55. Modeling the efficiency of phosphorus utilization in growing pigs

    Article • Journal of Animal Science, April 2011, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  56. Beneficial management practices and mitigation of greenhouse gas emissions in the agriculture of the Canadian Prairie: a review

    Article • Agronomy for Sustainable Development, March 2011, Springer Science + Business Media

    Professor Ermias Kebreab

  57. Feedlot efficiency implications on greenhouse gas emissions and sustainability

    Article • Journal of Animal Science, March 2011, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  58. Production performance and nitrogen flow of Shaver White layers housed in enriched or conventional cage systems

    Article • Poultry Science, February 2011, Oxford University Press (OUP)

    Professor Ermias Kebreab

  59. Application of the law of diminishing returns for partitioning metabolizable energy and crude protein intake between maintenance and growth in growing male and female broiler breeder pullets

    Article • The Journal of Agricultural Science, February 2011, Cambridge University Press

    Professor Ermias Kebreab

  60. Modelling the profile of growth in monogastric animals

    Article • January 2011, Wageningen Academic Publishers

    Professor Ermias Kebreab

  61. Regression procedures for relationships between random variables

    Article • January 2011, Wageningen Academic Publishers

    Professor Ermias Kebreab

  62. Prediction of methane production in beef cattle within a mechanistic digestion model

    Article • January 2011, Wageningen Academic Publishers

    Professor Ermias Kebreab

  63. A generic multi-stage compartmental model for interpreting gas production profiles

    Article • January 2011, Wageningen Academic Publishers

    Professor Ermias Kebreab

  64. A model of phosphorus metabolism in growing sheep

    Article • January 2011, Wageningen Academic Publishers

    Professor Ermias Kebreab

  65. Effects of nutritional strategies on simulated nitrogen excretion and methane emission in dairy cattle

    Article • January 2011, Wageningen Academic Publishers

    Professor Ermias Kebreab

  66. Evaluation of enteric methane prediction equations for dairy cows used in whole farm models

    Article • Global Change Biology, November 2010, Wiley

    Professor Ermias Kebreab

  67. A mechanistic model for simulating methane emissions from unstirred liquid manure storages

    Article • Canadian Journal of Soil Science, August 2010, Canadian Science Publishing

    Professor Ermias Kebreab

  68. Impact of dietary manipulation on nutrient flows and greenhouse gas emissions in cattle

    Article • Revista Brasileira de Zootecnia, July 2010, FapUNIFESP (SciELO)

    Professor Ermias Kebreab

  69. A review of mathematical functions for the analysis of growth in poultry

    Article • World s Poultry Science Journal, June 2010, Taylor & Francis

    Professor Ermias Kebreab

  70. Application of a kinetic model to describe phosphorus metabolism in pigs fed a diet with a microbial phytase

    Article • The Journal of Agricultural Science, April 2010, Cambridge University Press

    Professor Ermias Kebreab

  71. A multivariate nonlinear mixed effects method for analyzing energy partitioning in growing pigs

    Article • Journal of Animal Science, March 2010, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  72. Evaluation of a mechanistic lactation model using cow, goat and sheep data

    Article • The Journal of Agricultural Science, January 2010, Cambridge University Press

    Professor Ermias Kebreab

  73. Flexible alternatives to the Gompertz equation for describing growth with age in turkey hens

    Article • Poultry Science, January 2010, Oxford University Press (OUP)

    Professor Ermias Kebreab

  74. Phosphorus and calcium utilization and requirements in farm animals

    Article • January 2010, CABI Publishing

    Professor Ermias Kebreab

  75. Comparison of ruminal degradability models using the number of runs of sign of residuals

    Article • Advances in Animal Biosciences, January 2010, Elsevier

    Professor Ermias Kebreab

  76. Simulating the effects of grassland management and grass ensiling on methane emission from lactating cows

    Article • The Journal of Agricultural Science, December 2009, Cambridge University Press

    Professor Ermias Kebreab

  77. A multilevel nonlinear mixed-effects approach to model growth in pigs

    Article • Journal of Animal Science, October 2009, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  78. Estimating the Energetic Contribution of Polar Bear (Ursus maritimus) Summer Diets to the Total Energy Budget

    Article • Journal of Mammalogy, June 2009, Oxford University Press (OUP)

    Professor Ermias Kebreab

  79. A model on biological flow of phosphorus in growing pigs

    Article • Arquivo Brasileiro de Medicina Veterinária e Zootecnia, June 2009, FapUNIFESP (SciELO)

    Professor Ermias Kebreab, Prof. Adibe Luiz Abdalla

  80. Rumen phosphorus metabolism in sheep

    Article • The Journal of Agricultural Science, April 2009, Cambridge University Press

    Professor Ermias Kebreab

  81. Modeling methane production from beef cattle using linear and nonlinear approaches

    Article • Journal of Animal Science, April 2009, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  82. Development and evaluation of a dynamic model of calcium and phosphorus flows in layers

    Article • Poultry Science, March 2009, Oxford University Press (OUP)

    Professor Ermias Kebreab

  83. Cranial dimensions and forces of biting in the domestic dog

    Article • Journal of Anatomy, February 2009, Wiley

    Professor Ermias Kebreab

  84. Application of the law of diminishing returns to estimate maintenance requirement for amino acids and their efficiency of utilization for accretion in young chicks

    Article • The Journal of Agricultural Science, February 2009, Cambridge University Press

    Professor Ermias Kebreab

  85. Recent advances in modeling nutrient utilization in ruminants

    Article • Journal of Animal Science, January 2009, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  86. Impairments in pyridoxine-dependent sulphur amino acid metabolism are highly sensitive to the degree of vitamin B6 deficiency and repletion in the pig

    Article • animal, January 2009, Elsevier

    Professor Ermias Kebreab

  87. Modelling the lactation curve of dairy cows using the differentials of growth functions

    Article • The Journal of Agricultural Science, November 2008, Cambridge University Press

    Professor Ermias Kebreab

  88. Model for estimating enteric methane emissions from United States dairy and feedlot cattle

    Article • Journal of Animal Science, October 2008, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  89. Effects of different levels of an enzyme mixture on in vitro gas production parameters of contrasting forages

    Article • Animal Feed Science and Technology, October 2008, Elsevier

    Professor Ermias Kebreab

  90. Farming systems methodology for efficient resource management at the farm level: a review from an Indian perspective

    Article • The Journal of Agricultural Science, August 2008, Cambridge University Press

    Professor Ermias Kebreab

  91. Calibration of estimated biting forces in domestic canids: comparison of post‐mortem and in vivo measurements

    Article • Journal of Anatomy, May 2008, Wiley

    Professor Ermias Kebreab

  92. A Model of Phosphorus Digestion and Metabolism in the Lactating Dairy Cow

    Article • Journal of Dairy Science, May 2008, American Dairy Science Association

    Professor Ermias Kebreab

  93. Comparison of energy evaluation systems and a mechanistic model for milk production by dairy cattle offered fresh grass-based diets

    Article • Animal Feed Science and Technology, May 2008, Elsevier

    Professor Ermias Kebreab

  94. Modelling the implications of feeding strategy on rumen fermentation and functioning of the rumen wall

    Article • Animal Feed Science and Technology, May 2008, Elsevier

    Professor Ermias Kebreab

  95. Application and comparison of two models to study effects of calcium sources in sheep

    Article • Animal Feed Science and Technology, May 2008, Elsevier

    Professor Ermias Kebreab

  96. A comparison of the Schumacher with other functions for describing growth in pigs

    Article • Animal Feed Science and Technology, May 2008, Elsevier

    Professor Ermias Kebreab

  97. Aspects of rumen microbiology central to mechanistic modelling of methane production in cattle

    Article • The Journal of Agricultural Science, March 2008, Cambridge University Press

    Professor Ermias Kebreab

  98. Mathematical modelling in animal nutrition

    Article • January 2008, CABI Publishing

    Professor Ermias Kebreab

  99. Effect of heat processing on ruminal degradability and intestinal disappearance of nitrogen and amino acids in Iranian whole soybean

    Article • Livestock Science, January 2008, Elsevier

    Professor Ermias Kebreab

  100. Phosphorus Utilization and Environmental and Economic Implications of Reducing Phosphorus Pollution from Ontario Dairy Cows

    Article • Journal of Dairy Science, January 2008, American Dairy Science Association

    Professor Ermias Kebreab

  101. Ruminal Temperature May Aid in the Detection of Subacute Ruminal Acidosis

    Article • Journal of Dairy Science, January 2008, American Dairy Science Association

    Professor Ermias Kebreab

  102. Long-term effects of feeding diets without mineral phosphorus supplementation on the performance and phosphorus excretion in high-yielding dairy cows

    Article • Canadian Journal of Animal Science, December 2007, Canadian Science Publishing

    Professor Ermias Kebreab

  103. Long-Term Effects of Feeding Monensin on Milk Fatty Acid Composition in Lactating Dairy Cows

    Article • Journal of Dairy Science, November 2007, American Dairy Science Association

    Professor Ermias Kebreab

  104. A comparative evaluation of functions for partitioning nitrogen and amino acid intake between maintenance and growth in broilers

    Article • The Journal of Agricultural Science, September 2007, Cambridge University Press

    Professor Ermias Kebreab

  105. Past peak lactational performance of Iranian Holstein cows fed raw or roasted whole soybeans

    Article • Canadian Journal of Animal Science, September 2007, Canadian Science Publishing

    Professor Ermias Kebreab

  106. A Mathematical Approach to Predicting Biological Values from Ruminal pH Measurements

    Article • Journal of Dairy Science, August 2007, American Dairy Science Association

    Professor Ermias Kebreab

  107. Prediction of Methane Production from Dairy and Beef Cattle

    Article • Journal of Dairy Science, July 2007, American Dairy Science Association

    Professor Ermias Kebreab

  108. Phosphorus kinetics in lambs fed different levels of dicalcium phosphate

    Article • The Journal of Agricultural Science, May 2007, Cambridge University Press

    Professor Ermias Kebreab

  109. Some methodological and analytical considerations regarding application of the gas production technique

    Article • Animal Feed Science and Technology, May 2007, Elsevier

    Professor Ermias Kebreab

  110. Effect of raw or roasted whole soybeans on early lactational performance and ruminal and blood metabolites in Iranian cows

    Article • The Journal of Agricultural Science, April 2007, Cambridge University Press

    Professor Ermias Kebreab

  111. Long-Term Effects of Feeding Monensin on Methane Production in Lactating Dairy Cows

    Article • Journal of Dairy Science, April 2007, American Dairy Science Association

    Professor Ermias Kebreab

  112. Effect of Supplementing Myristic Acid in Dairy Cow Rations on Ruminal Methanogenesis and Fatty Acid Profile in Milk

    Article • Journal of Dairy Science, April 2007, American Dairy Science Association

    Professor Ermias Kebreab

  113. Predicting the profile of nutrients available for absorption: from nutrient requirement to animal response and environmental impact

    Article • animal, January 2007, Elsevier

    Professor Ermias Kebreab

  114. Meta-analysis of phosphorus balance data from growing pigs

    Article • Journal of Animal Science, January 2007, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  115. Comparative evaluation of mathematical functions to describe growth and efficiency of phosphorus utilization in growing pigs

    Article • Journal of Animal Science, January 2007, American Society of Animal Science (ASAS)

    Professor Ermias Kebreab

  116. Evaluation of Models to Describe Ruminal Degradation Kinetics from In Situ Ruminal Incubation of Whole Soybeans

    Article • Journal of Dairy Science, August 2006, American Dairy Science Association

    Professor Ermias Kebreab

  117. Methane and nitrous oxide emissions from Canadian animal agriculture: A review

    Article • Canadian Journal of Animal Science, June 2006, Canadian Science Publishing

    Professor Ermias Kebreab

  118. Modeling Small-Scale Dairy Farms in Central Mexico Using Multi-Criteria Programming

    Article • Journal of Dairy Science, May 2006, American Dairy Science Association

    Professor Ermias Kebreab

  119. Nutrient digestion and utilization in farm animals: modelling approaches

    Article • January 2006, CABI Publishing

    Professor Ermias Kebreab

  120. Nutrient digestion and utilization in farm animals: modelling approaches

    Article • January 2006, CABI Publishing

    Professor Ermias Kebreab

  121. Estimation of the stoichiometry of volatile fatty acid production in the rumen of lactating cows

    Article • Journal of Theoretical Biology, January 2006, Elsevier

    Professor Ermias Kebreab

  122. Application of the gas production technique to feed evaluation systems for ruminants

    Article • Animal Feed Science and Technology, September 2005, Elsevier

    Professor Ermias Kebreab

  123. A general compartmental model for interpreting gas production profiles

    Article • Animal Feed Science and Technology, September 2005, Elsevier

    Professor Ermias Kebreab

  124. Potential Cost and Environmental Impact of Feeding High-Oil Corn to Poultry in Brazil

    Article • The Journal of Applied Poultry Research, September 2005, Oxford University Press (OUP)

    Professor Ermias Kebreab

  125. Effects of phosphorus intake on phosphorus flow in growing pigs: Application and comparison of two models

    Article • Journal of Theoretical Biology, September 2005, Elsevier

    Professor Ermias Kebreab, Prof. Adibe Luiz Abdalla

  126. Simulation of milk production by dairy cows fed sugarcane top-based diets with locally available supplements under Indian conditions

    Article • The Journal of Agricultural Science, June 2005, Cambridge University Press

    Professor Ermias Kebreab

  127. Effects of contrasting forage diets on phosphorus utilisation in lactating dairy cows

    Article • Livestock Production Science, April 2005, Elsevier

    Professor Ermias Kebreab

  128. A comparative evaluation of functions for describing the relationship between live-weight gain and metabolizable energy intake in turkeys

    Article • The Journal of Agricultural Science, December 2004, Cambridge University Press

    Professor Ermias Kebreab

  129. Study of the Lactation Curve in Dairy Cattle on Farms in Central Mexico

    Article • Journal of Dairy Science, November 2004, American Dairy Science Association

    Professor Ermias Kebreab

  130. Forage production and nutrient availability in small-scale dairy systems in central Mexico using linear programming and partial budgeting

    Article • Nutrient Cycling in Agroecosystems, July 2004, Springer Science + Business Media

    Professor Ermias Kebreab

  131. An integrated mathematical model to evaluate nutrient partition in dairy cattle between the animal and its environment

    Article • Animal Feed Science and Technology, February 2004, Elsevier

    Professor Ermias Kebreab

  132. An evaluation of different growth functions for describing the profile of live weight with time (age) in meat and egg strains of chicken

    Article • Poultry Science, October 2003, Oxford University Press (OUP)

    Professor Ermias Kebreab

  133. Alternatives to Linear Analysis of Energy Balance Data from Lactating Dairy Cows

    Article • Journal of Dairy Science, September 2003, American Dairy Science Association

    Professor Ermias Kebreab

  134. A comparative evaluation of functions for the analysis of growth in male broilers

    Article • The Journal of Agricultural Science, June 2003, Cambridge University Press

    Professor Ermias Kebreab

  135. SIMULATION OF INTEGRATED CONTROL STRATEGIES FOR OROBANCHE SPP. BASED ON A LIFE CYCLE MODEL

    Article • Experimental Agriculture, January 2001, Cambridge University Press

    Professor Ermias Kebreab

  136. Effects of Management Practices Prior to and During Ensiling and Concentrate Type on Nitrogen Utilization in Dairy Cows

    Article • Journal of Dairy Science, June 2000, American Dairy Science Association

    Professor Ermias Kebreab

  137. An evaluation of uptake and developmental impact in the semi-arid tropics of four crop production models

    Article • The Journal of Agricultural Science, March 2000, Cambridge University Press

    Professor Ermias Kebreab, Richard Ellis

  138. A Model of the Effects of a Wide Range of Constant and Alternating Temperatures on Seed Germination of FourOrobanche Species

    Article • Annals of Botany, October 1999, Oxford University Press (OUP)

    Professor Ermias Kebreab

  139. Effect of temperature and humidity on the longevity of Orobanche seeds

    Article • Weed Research, June 1999, Wiley

    Professor Ermias Kebreab

  140. Modelling the effects of water stress and temperature on germination rate of Orobanche aegyptiaca seeds

    Article • Journal of Experimental Botany, May 1999, Oxford University Press (OUP)

    Professor Ermias Kebreab

  141. Modelling the effects of water stress and temperature on germination rate of Orobanche aegyptiaca seeds

    Article • Journal of Experimental Botany, May 1999, Oxford University Press (OUP)

    Professor Ermias Kebreab

  142. A quantitative model for loss of primary dormancy and induction of secondary dormancy in imbibed seeds of Orobanche spp

    Article • Journal of Experimental Botany, February 1999, Oxford University Press (OUP)

    Professor Ermias Kebreab

  143. A quantitative model for loss of primary dormancy and induction of secondary dormancy in imbibed seeds of Orobanche spp

    Article • Journal of Experimental Botany, February 1999, Oxford University Press (OUP)

    Professor Ermias Kebreab

  144. Mineral metabolism.

    Article • CABI Publishing

    Professor Ermias Kebreab

  145. Mathematical modelling in animal nutrition - introduction.

    Article • CABI Publishing

    Professor Ermias Kebreab

  146. Linear models of nitrogen utilization in dairy cows.

    Article • CABI Publishing

    Professor Ermias Kebreab

  147. Modelling protozoal metabolism and volatile fatty acid production in the rumen.

    Article • CABI Publishing

    Professor Ermias Kebreab

  148. Production efficiency of ruminants: feed, nitrogen and methane.

    Article • CABI Publishing

    Professor Ermias Kebreab

  149. Production efficiency of monogastric animals.

    Article • CABI Publishing

    Professor Ermias Kebreab

  150. General introduction.

    Article • CABI Publishing

    Professor Ermias Kebreab

  151. Phosphorus and calcium requirements of ruminants.

    Article • CABI Publishing

    Professor Ermias Kebreab

  152. Nutrient digestion and utilization in farm animals: modelling approaches.

    Article • CABI Publishing

    Professor Ermias Kebreab

  153. Functions for microbial growth.

    Article • CABI Publishing

    Professor Ermias Kebreab

  154. Supporting measurements required for evaluation of greenhouse gas emission models for enteric fermentation and stored animal manure.

    Article • CABI Publishing

    Professor Ermias Kebreab

  155. Compartmental models of protein turnover to resolve isotope dilution data.

    Article • CABI Publishing

    Professor Ermias Kebreab

  156. Modelling phosphorus metabolism.

    Article • CABI Publishing

    Professor Ermias Kebreab

  157. Modelling sugarcane utilization by dairy cows in the tropics.

    Article • CABI Publishing

    Professor Ermias Kebreab

  158. Simulation exercises for animal science MSc students: rumen digestion and pig growth.

    Article • CABI Publishing

    Professor Ermias Kebreab

  159. Population responses to temperature for loss and induction of seed dormancy and consequences for predictive empirical modelling.

    Article • CABI Publishing

    Professor Ermias Kebreab

  160. Development of a dynamic model of calcium and phosphorus flows in layers.

    Article • CABI Publishing

    Professor Ermias Kebreab

  161. Advantages of a dynamical approach to rumen function to help to resolve environmental issues.

    Article • CABI Publishing

    Professor Ermias Kebreab

  162. Simulation of rumen particle dynamics using a non-steady state model of rumen digestion and nutrient availability in dairy cows fed sugarcane.

    Article • CABI Publishing

    Professor Ermias Kebreab

  163. Data capture: development of a mobile open-circuit ventilated hood system for measuring real-time gaseous emissions in cattle.

    Article • CABI Publishing

    Professor Ermias Kebreab

  164. Kinetic models for the study of phosphorus metabolism in ruminants and monogastrics.

    Article • CABI Publishing

    Professor Ermias Kebreab

  165. Phosphorus and calcium utilization in ruminants using isotope dilution technique.

    Article • CABI Publishing

    Professor Ermias Kebreab

  166. Phosphorus and calcium utilization in non-ruminants using isotope dilution technique.

    Article • CABI Publishing

    Professor Ermias Kebreab

  167. Evaluation of models to predict methane emissions from enteric fermentation in North American dairy cattle.

    Article • CABI Publishing

    Professor Ermias Kebreab