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Animal Science and Veterinary

D-Index
30
Citations
3569
World Ranking
2432
National Ranking
40

Overview

David Pacheco is a researcher affiliated with AgResearch in New Zealand. Their work primarily focuses on agricultural and biological sciences, with a strong emphasis on agronomy and crop science. They have contributed to research in several interconnected subfields, including genetics, animal science and zoology, molecular biology, and environmental chemistry.

The main research topics covered by David Pacheco include:

  • Ruminant Nutrition and Digestive Physiology
  • Reproductive Physiology in Livestock
  • Genetic and phenotypic traits in livestock
  • Bioenergy crop production and management
  • Agriculture Sustainability and Environmental Impact
  • Soil and Water Nutrient Dynamics
  • Nitrogen and Sulfur Effects on Brassica

Their recent publications exhibit an interest in methane emissions related to ruminants, forage quality, and environmental impacts of livestock feeding strategies. Notable recent papers include:

  • "A Review: Plant Carbohydrate Types-The Potential Impact on Ruminant Methane Emissions" (2022), published in Frontiers in Veterinary Science
  • "Effect of feeding fresh forage plantain (Plantago lanceolata) or ryegrass-based pasture on methane emissions, total-tract digestibility, and rumen fermentation of nonlactating dairy cows" (2022), Journal of Dairy Science
  • "Activated carbon from Water Hyacinth as electrocatalyst for oxygen reduction reaction in an alkaline fuel cell" (2021), International Journal of Hydrogen Energy
  • "Prediction of nitrogen excretion from data on dairy cows fed a wide range of diets compiled in an intercontinental database: A meta-analysis" (2022), Journal of Dairy Science
  • "Methane emissions and rumen metabolite concentrations in cattle fed two different silages" (2022), Scientific Reports

David Pacheco has published extensively in several scientific journals, frequently contributing to:

  • Journal of Dairy Science
  • Animal Feed Science and Technology
  • New Zealand Journal of Agricultural Research
  • Scientific Reports
  • Journal of Animal Science

The researcher collaborates regularly with various scientists in related fields. Frequent co-authors include:

  • Arjan Jonker
  • M. M. Della Rosa
  • E. Sandoval
  • Peter H. Janssen
  • Rubén Pulido

David Pacheco's work reflects a multidisciplinary approach integrating animal nutrition, genetics, environmental science, and sustainable agricultural practices. Their research contributes data and analyses aimed at understanding and improving livestock production systems with a focus on environmental outcomes such as methane emissions and nutrient management.

Best Publications

  • Methane production from in vitro rumen incubations with Lotus pedunculatus and Medicago sativa, and effects of extractable condensed tannin fractions on methanogenesis

    Michael H. Tavendale;Lucy P. Meagher;David Pacheco;Nicola Walker

  • Milk protein synthesis as a function of amino acid supply.

    L. Doepel;L. Doepel;D. Pacheco;J.J. Kennelly;M.D. Hanigan

  • The route of absorbed nitrogen into milk protein

    H. Lapierre;R. Berthiaume;G. Raggio;M. C. Thivierge

  • Dietary nitrogen - definitions, digestion, excretion and consequences of excess for grazing ruminants

    D. Pacheco;G.C. Waghorn

  • Effect of Level of Metabolizable Protein on Splanchnic Flux of Amino Acids in Lactating Dairy Cows

    G. Raggio;D. Pacheco;R. Berthiaume;G.E. Lobley

  • What is the true supply of amino acids for a dairy cow

    H. Lapierre;D. Pacheco;R. Berthiaume;D.R. Ouellet

  • Methane emissions from sheep fed fresh brassicas (Brassica spp.) compared to perennial ryegrass (Lolium perenne)

    X.Z. Sun;G.C. Waghorn;S.O. Hoskin;Scott James Harrison

  • Production of indolic compounds by rumen bacteria isolated from grazing ruminants

    G. Attwood;D. Li;D. Pacheco;M. Tavendale

  • Responses of the bovine mammary glands to absorptive supply of single amino acids

    J. P. Cant;R. Berthiaume;H. Lapierre;P. H. Luimes

  • The effects of fresh forages and feed intake level on digesta kinetics and enteric methane emissions from sheep

    K.J. Hammond;D. Pacheco;J.L. Burke;J.P. Koolaard

  • A novel concept to reduce nitrogen losses from grazed pastures by administering soil nitrogen process inhibitors to ruminant animals: A study with sheep

    S.F. Ledgard;J.C. Menneer;M.M. Dexter;M.J. Kear

  • Lambs fed fresh winter forage rape (Brassica napus L.) emit less methane than those fed perennial ryegrass (Lolium perenne L.), and possible mechanisms behind the difference.

    Xuezhao Sun;Gemma Henderson;Faith Cox;German Molano

  • Decreasing methane emissions from ruminants grazing forages: a fit with productive and financial realities?

    David Pacheco;Garry Waghorn;Peter H. Janssen

  • Initiation and elongation steps of mRNA translation are involved in the increase in milk protein yield caused by growth hormone administration during lactation.

    A.A. Hayashi;K. Nones;N.C. Roy;W.C. McNabb

  • Sampling procedure for the measurement of dissolved hydrogen and volatile fatty acids in the rumen of dairy cows.

    M. Wang;R. Wang;P. H. Janssen;X. M. Zhang

  • Ryegrasses with increased water soluble carbohydrate: evaluating the potential for grazing dairy cows in New Zealand

    G.P. Cosgrove;J.L. Burke;A.F. Death;M.J. Hickey

  • A mathematical model to describe in vitro kinetics of H2 gas accumulation

    M. Wang;P.H. Janssen;X.Z. Sun;S. Muetzel

  • Prediction of nitrogen excretion from data on dairy cows fed a wide range of diets compiled in an intercontinental database: A meta-analysis.

    Unknown

  • Nitrous oxide emission factors for urine and dung from sheep fed either fresh forage rape (Brassica napus L.) or fresh perennial ryegrass (Lolium perenne L.).

    J. Luo;X. Z. Sun;D. Pacheco;S. F. Ledgard

  • Deriving fractional rate of degradation of logistic-exponential (LE) model to evaluate early in vitro fermentation

    M. Wang;X. Z. Sun;S. X. Tang;Z. L. Tan

  • Development of an improved representation of rumen digesta outflow in a mechanistic and dynamic model of a dairy cow, Molly

    Pablo Gregorini;Pierre Beukes;Garry Waghorn;David Pacheco

  • Sheep fed forage chicory (Cichorium intybus) or perennial ryegrass (Lolium perenne) have similar methane emissions

    X.Z. Sun;S.O. Hoskin;G.G. Zhang;G. Molano

  • Forage brassica: a feed to mitigate enteric methane emissions?

    Xuezhao Sun;David Pacheco;Dongwen Luo

  • Muscle free amino acid profiles are related to differences in skeletal muscle growth between single and twin ovine fetuses near term

    Francisco Sales;David Pacheco;Hugh Blair;Paul Kenyon

Frequent Co-Authors

R. Berthiaume
R. Berthiaume Agriculture and Agriculture-Food Canada
Ermias Kebreab
Ermias Kebreab University of California, Davis
Roger Hegarty
Roger Hegarty AgResearch
Hélène Lapierre
Hélène Lapierre Agriculture and Agriculture-Food Canada
Gerald E. Lobley
Gerald E. Lobley University of Aberdeen
P. R. Kenyon
P. R. Kenyon Massey University
Pascal Dubreuil
Pascal Dubreuil University of Montreal
Warren C. McNabb
Warren C. McNabb Massey University
John Nolan
John Nolan University of New England

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