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Roger W. Purchas

Roger W. Purchas

D-Index & Metrics

Animal Science and Veterinary

D-Index
38
Citations
5837
World Ranking
1380
National Ranking
17

Overview

Roger W. Purchas is affiliated with Massey University in New Zealand. Their research spans several fields of study primarily related to agricultural and biological sciences, with additional work in biochemistry, genetics and molecular biology, and engineering.

The primary fields of study for this researcher include:

  • Agricultural and Biological Sciences
  • Biochemistry, Genetics and Molecular Biology
  • Engineering

Within these areas, the subfields where they have focused their work are:

  • Animal Science and Zoology
  • Agronomy and Crop Science
  • Genetics
  • Biomedical Engineering

The research topics associated with Roger W. Purchas's work reflect interests in both meat quality and animal physiology and nutrition:

  • Meat and Animal Product Quality
  • Ruminant Nutrition and Digestive Physiology
  • Genetic and phenotypic traits in livestock
  • Advanced Chemical Sensor Technologies
  • Animal Nutrition and Physiology

Roger W. Purchas has collaborated with several co-authors over their research career, including:

  • C.E. Realini
  • E. Paván
  • Michael Agnew
  • Patricia L. Johnson
  • Emma N. Bermingham

A notable publication by this researcher is:

  • "Relationships between intramuscular fat percentage and fatty acid composition in M. longissimus lumborum of pasture-finished lambs in New Zealand," 2021, published in Meat Science

Their work has appeared primarily in the journal Meat Science, reflecting the focus on meat quality.

  • Meat Science

Best Publications

  • An assessment of the role of pH differences in determining the relative tenderness of meat from bulls and steers

    R.W. Purchas

  • Cultured meat from muscle stem cells: A review of challenges and prospects

    Isam T Kadim;Osman Mahgoub;Senan Baqir;Bernard Faye

  • A review of the growth, and of the carcass and meat quality characteristics of the one-humped camel (Camelus dromedaries)

    I.T. Kadim;O. Mahgoub;R.W. Purchas

  • Effects of growth potential and growth path on tenderness of beef longissimus muscle from bulls and steers.

    R. W. Purchas;D. L. Burnham;S. T. Morris

  • Further investigations into the relationship between ultimate pH and tenderness for beef samples from bulls and steers

    R.W. Purchas;R. Aungsupakorn

  • Effect of condensed tannins upon body growth, wool growth and rumen metabolism in sheep grazing sulla (Hedysarum coronarium) and perennial pasture.

    T. H. Terrill;G. B. Douglas;A. G. Foote;R. W. Purchas

  • Effect of condensed tannins upon the performance of lambs grazing Lotus corniculatus and lucerne ( Medicago sativa )

    Y. Wang;G. B. Douglas;G. C. Waghorn;T. N. Barry

  • Características de qualidade da carne de ovinos de diferentes genótipos e idades ao abate

    Américo Garcia da Silva Sobrinho;Roger Walter Purchas;Isam Tawfik Kadim;Sandra Mari Yamamoto

  • Preliminary investigation of the effects of low-level dietary inclusion of fragrant essential oils and oleoresins on pig performance and pork quality.

    J.A.M. Janz;P.C.H. Morel;B.H.P. Wilkinson;R.W. Purchas

  • Concentrations in beef and lamb of taurine, carnosine, coenzyme Q10, and creatine

    R.W. Purchas;S.M. Rutherfurd;P.D. Pearce;R. Vather

  • An objective measure of muscularity: Changes with animal growth and differences between Genetic lines of southdown sheep.

    R.W. Purchas;A.S. Davies;A.Y. Abdullah

  • Carcass composition and meat quality differences between pasture-reared ewe and ram lambs.

    P.L. Johnson;R.W. Purchas;J.C. McEwan;H.T. Blair

  • The influence of a period of ageing on the relationship between ultimate pH and shear values of beef m. longissimus thoracis.

    R.W Purchas;X Yan;D.G Hartley

  • Relationships between sensory and objective measures of meat tenderness of beef m. longissimus thoracis from bulls and steers.

    B.M Peachey;R.W Purchas;L.M Duizer

  • Liveweight gain and wool production of sheep grazing Lotus corniculatus and lucerne (Medicago sativa)

    G. B. Douglas;Y. Wang;G. C. Waghorn;T. N. Barry

  • A review of the development and use of video image analysis (VIA) for beef carcass evaluation as an alternative to the current EUROP system and other subjective systems.

    C.R. Craigie;E.A. Navajas;R.W. Purchas;C.A. Maltin

  • The effect of production system and age on levels of iron, taurine, carnosine, coenzyme Q10, and creatine in beef muscles and liver

    R.W. Purchas;J.R. Busboom

  • A directed search in the region of GDF8 for quantitative trait loci affecting carcass traits in Texel sheep.

    P. L. Johnson;J. C. McEwan;K. G. Dodds;R. W. Purchas

  • Variation in the form of iron in beef and lamb meat and losses of iron during cooking and storage

    R. W. Purchas;D. C. Simcock;T. W. Knight;B. H. P. Wilkinson

  • The effect of modified atmosphere packaging with carbon monoxide on the storage quality of master-packaged fresh pork.

    B.H.P. Wilkinson;J.A.M. Janz;P.C.H. Morel;R.W. Purchas

  • Quality characteristics and composition of the longissimus muscle in the short-loin from male and female farmed red deer in New Zealand.

    Roger W. Purchas;Ellen C. Triumf;Bjørg Egelandsdal

  • Cooking temperature effects on the forms of iron and levels of several other compounds in beef semitendinosus muscle.

    R.W Purchas;S.M Rutherfurd;P.D Pearce;R Vather

Frequent Co-Authors

Patrick C. H. Morel
Patrick C. H. Morel Massey University
S. T. Morris
S. T. Morris Massey University
Isam T. Kadim
Isam T. Kadim Sultan Qaboos University
Wouter H. Hendriks
Wouter H. Hendriks Wageningen University & Research
T. N. Barry
T. N. Barry Massey University
John C. McEwan
John C. McEwan AgResearch
William C Smith
William C Smith University of California, Santa Barbara
Rainer Roehe
Rainer Roehe Scotland's Rural College
G. C. Waghorn
G. C. Waghorn AgResearch
Osman Mahgoub
Osman Mahgoub Sultan Qaboos University

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