Toggle Main Menu Toggle Search

Open Access padlockePrints

Browsing publications by Dr Jonathan Guy.

Newcastle AuthorsTitleYearFull text
Oluwaseun Iyasere
Dr Andrew Beard
Dr Jonathan Guy
Corrigendum to “Which factor is more important for the welfare of broiler chickens: Intensity or duration of episodic heat stress?” [J. Therm. Biol. 99 (2021) 102981] (Journal of Thermal Biology (2021) 99, (S0306456521001492), (10.1016/j.jtherbio.2021.102981))2022
Emerita Professor Sandra Edwards
Dr Jonathan Guy
Feed restriction and type of forage influence performance and behaviour of outdoor gestating sows2021
Oluwaseun Iyasere
Professor Melissa Bateson
Dr Andrew Beard
Dr Jonathan Guy
Provision of Additional Cup Drinkers Mildly Alleviated Moderate Heat Stress Conditions in Broiler Chickens2021
Oluwaseun Iyasere
Professor Melissa Bateson
Dr Andrew Beard
Dr Jonathan Guy
Which factor is more important: Intensity or duration of episodic heat stress on broiler chickens?2021
Elena Armstrong
Dr Jonathan Guy
Dr Timothy Boswell
Dr Tom Smulders
Cell proliferation in the adult chicken hippocampus correlates with individual differences in time spent in outdoor areas and tonic immobility2020
Dr Jonathan Guy
Dr Matthew Leach
Influence of the Competition Context on Arousal in Agility Dogs2020
Elena Armstrong
Jane Eastham
Dr Jonathan Guy
Dr Timothy Boswell
Dr Tom Smulders
et al.
Keel bone fractures induce a depressive-like state in laying hens2020
Paul Jackson
Abozar Nasirahmadi
Dr Jonathan Guy
Professor Steve Bull
Dr Peter Avery
et al.
Using CFD modelling to relate pig lying locations to environmental variability in finishing pens2020
Paul Jackson
Dr Jonathan Guy
Dr Barbara Sturm
Professor Steve Bull
Emerita Professor Sandra Edwards
et al.
An innovative concept building design incorporating passive technology to improve resource efficiency and welfare of finishing pigs.2018
Paul Jackson
Dr Jonathan Guy
Emerita Professor Sandra Edwards
Dr Barbara Sturm
Professor Steve Bull
et al.
Application of dynamic thermal engineering principles to improve the efficiency of resource use in UK pork production chains2017
Oluwaseun Iyasere
Dr Andrew Beard
Dr Jonathan Guy
Professor Melissa Bateson
Elevated levels of the stress hormone, corticosterone, cause ‘pessimistic’ judgment bias in broiler chickens2017
Oluwaseun Iyasere
Emerita Professor Sandra Edwards
Professor Melissa Bateson
Dr Jonathan Guy
Validation of an intramuscularly-implanted microchip and a surface infrared thermometer to estimate core body temperature in broiler chickens exposed to heat stress2017
Paul Jackson
Dr Jonathan Guy
Dr Barbara Sturm
Professor Steve Bull
Emerita Professor Sandra Edwards
et al.
Application of process engineering principles to improve the efficiency of resource use in UK pork production chains2015
Sophia Stavrakakis
Dr Jonathan Guy
Ioannis Syranidis
Professor Garth Johnson
Emerita Professor Sandra Edwards
et al.
Pre-clinical and clinical walking kinematics in female breeding pigs with lameness: A nested case-control cohort study2015
Sophia Stavrakakis
Dr Jonathan Guy
Dr Graham Morgan
Dr Gary Ushaw
Professor Garth Johnson
et al.
Validity of the Microsoft Kinect sensor for assessment of normal walking patterns in pigs2015
Dr Jonathan Guy
Emerita Professor Sandra Edwards
Exploratory behaviour and performance of piglets fed novel flavoured creep in two housing systems2014
Sophia Stavrakakis
Dr Jonathan Guy
Oliver Warlow
Professor Garth Johnson
Emerita Professor Sandra Edwards
et al.
Intra-operator repeatability of skin marker derived segment measures and gait kinematics in healthy pigs2014
Sophia Stavrakakis
Dr Jonathan Guy
Professor Garth Johnson
Emerita Professor Sandra Edwards
Longitudinal gait development and variability of growing pigs reared on three different floor types2014
Oluwagbemiga Adeleye
Mark Brett
Darren Blomfield
Dr Jonathan Guy
Emerita Professor Sandra Edwards
et al.
The effect of algal biomass supplementation in maternal diets on piglet survival in two housing systems2014
Dr Sophia Linden
Dr Jonathan Guy
Oliver Warlow
Emeritus Professor Garth Johnson
Emerita Professor Sandra Edwards
et al.
Walking kinematics of growing pigs associated with differences in musculoskeletal conformation, subjective gait score and osteochondrosis2014
Yolande Seddon
Dr Philip Cain
Dr Jonathan Guy
Emerita Professor Sandra Edwards
Development of a spreadsheet based financial model for pig producers considering high welfare farrowing systems2013
Dr Jonathan Guy
Dr Robert Shiel
Emerita Professor Sandra Edwards
The effect of combining different environmental enrichment materials on enrichment use by growing pigs2013
Noraisah Spahat
Dr Jonathan Guy
Professor Ilias Kyriazakis
Professor Guy Garrod
Emerita Professor Sandra Edwards
et al.
Environmental impact of different broiler production systems in Malaysia and consumer willingness to pay for reduced impact2012
Dr Jonathan Guy
Dr Philip Cain
Emerita Professor Sandra Edwards
Economic evaluation of high welfare indoor farrowing systems for pigs2012
Dr Robert Shiel
Dr Olivier Sparagano
Dr Jonathan Guy
Laboratory screening of potential predators of the poultry red mite (Dermanyssus gallinae) and assessment of Hypoaspis miles performance under varying biotic and abiotic conditions2012
Yolande Seddon
Dr Jonathan Guy
Emerita Professor Sandra Edwards
Optimising oral fluid collection from groups of pigs: Effect of housing system and provision of ropes2012
Dr Ilkka Leinonen
Dr Jonathan Guy
Professor Ilias Kyriazakis
Predicting the environmental impacts of chicken systems in the UK through a Life Cycle Assessment: broiler production systems2012
Dr Ilkka Leinonen
Dr Jonathan Guy
Professor Ilias Kyriazakis
Predicting the environmental impacts of chicken systems in the UK through a Life Cycle Assessment: egg production systems2012
David Harrington
Dr Dave George
Dr Jonathan Guy
Dr Olivier Sparagano
Opportunities for integrated pest management to control the Poultry Red Mite, Dermanyssus gallinae2011
Dr Ilkka Leinonen
Dr Jonathan Guy
Professor Ilias Kyriazakis
Quantifying the environmental impacts of UK broiler production systems through a Life Cycle Assessment2011
Dr Ilkka Leinonen
Dr Jonathan Guy
Professor Ilias Kyriazakis
Quantifying the environmental impacts of UK egg production systems through a Life Cycle Assessment2011
Dr Malcolm Farrow
Dr Jonathan Guy
Emerita Professor Sandra Edwards
Real time monitoring of finisher pig water consumption: Investigation at pen level2011
Dr Robert Shiel
Dr Jonathan Guy
In vitro and in vivo acaricidal activity and residual toxicity of spinosad to the poultry red mite, Dermanyssus gallinae2010
David Harrington
Dr Jonathan Guy
Dr Olivier Sparagano
Characterization of the immunological response to Dermanyssus gallinae infestation in domestic fowl2010
Samuel Arkle
Dr Dave George
Dr Jonathan Guy
Dr Olivier Sparagano
Comparison of in vivo and in vitro survival and fecundity rates of the poultry red mite, Dermanyssus gallinae2010
David Harrington
Dr Jonathan Guy
Dr Olivier Sparagano
Comparison of synthetic membranes in the development of an in vitro feeding system for Dermanyssus gallinae2010
Dr Dave George
Dr Jonathan Guy
Dr Olivier Sparagano
Effect of plant essential oils as acaricides against the poultry red mite, Dermanyssus gallinae, with special focus on exposure time2010
David George
Dr Olivier Sparagano
Dr Gordon Port
Dr Edward Okello
Dr Robert Shiel
et al.
Environmental interactions with the toxicity of plant essential oils to the poultry red mite Dermanyssus gallinae2010
Dr Olivier Sparagano
Dr Gordon Port
Dr Edward Okello
Dr Jonathan Guy
The effect of essential oils showing acaricidal activity against the poultry red mite (Dermanyssus gallinae) on aspects of welfare and production of laying hens2010
David George
Dr Olivier Sparagano
Dr Gordon Port
Dr Edward Okello
Dr Robert Shiel
et al.
Toxicity of plant essential oils to different life stages of the poultry red mite, Dermanyssus gallinae, and non-target invertebrates2010
David George
Dr Olivier Sparagano
Emeritus Professor Chris Seal
Dr Robert Shiel
Dr Jonathan Guy
et al.
A pilot study into the chemical and sensorial effect of thyme and pennyroyal essential oil on hens eggs2009
David Harrington
Hatem Mohi El Din
Dr Jonathan Guy
Dr Olivier Sparagano
Characterisation of the immune response in laying hens vaccinated with somatic antigens from Dermanyssus gallinae2009
David Harrington
Hatem Mohi El Din
Dr Jonathan Guy
Dr Olivier Sparagano
Characterization of the immune response of domestic fowl following immunization with proteins extracted from Dermanyssus gallinae2009
Dr Carlos De Luna
Dr Jonathan Guy
Dr Olivier Sparagano
Endosymbiotic bacteria living inside the poultry red mite (Dermanyssus gallinae)2009
David Harrington
Dr Jonathan Guy
Dr Olivier Sparagano
Immunisation with recombinant proteins subolesin and Bm86 for the control of Dermanyssus gallinae in poultry2009
Dr Dave George
Dr Robert Shiel
Dr Olivier Sparagano
Dr Jonathan Guy
Mode of action and variability in efficacy of plant essential oils showing toxicity against the poultry red mite, Dermanyssus gallinae2009
Dr Jonathan Guy
Dr Helen Edge
Dr Elizabeth Stockdale
Emerita Professor Sandra Edwards
Pigmeat supply chain: Life Cycle Analysis of contrasting pig farming scenarios2009
Emerita Professor Sandra Edwards
Dr Jonathan Guy
Preliminary evaluation of a prototype welfare monitoring system for sows and piglets (Welfare Quality® project)2009
Dr Jonathan Guy
Emerita Professor Sandra Edwards
Reducing post-mixing aggression and skin lesions in weaned pigs by application of a synthetic maternal pheromone2009
Dr Dave George
Dr Olivier Sparagano
Dr Gordon Port
Dr Edward Okello
Dr Robert Shiel
et al.
Repellence of plant essential oils to Dermanyssus gallinae and toxicity to the non-target invertebrate Tenebrio molitor2009
David George
Dr Olivier Sparagano
Emeritus Professor Chris Seal
Dr Robert Shiel
Dr Jonathan Guy
et al.
The influence of thyme and pennyroyal essential oils, found to be effective as acaricides against the poultry red mite (Dermanyssus gallinae), on occurrence of taint in hens eggs'2009
Dr Carlos De Luna
Dr Jonathan Guy
Dr Olivier Sparagano
The poultry red mite (Dermanyssus gallinae): a potential vector of pathogenic agents2009
Dr Jonathan Guy
Emerita Professor Sandra Edwards
The role of novelty in environmental enrichment for the weaned pig2009
Dr Dave George
Dr Dino Masic
Dr Olivier Sparagano
Dr Jonathan Guy
Variation in chemical composition and acaricidal activity against Dermanyssus gallinae of four eucalyptus essential oils2009
Dr Jonathan Guy
Dr Helen Edge
A note on the effect of supplementation with microbial phytase and organic acids on feed intake and growth performance of growing pigs2008
Emerita Professor Sandra Edwards
Dr Jonathan Guy
De electricitatis catholici musculari - Concerning the electrical properties of muscles, with emphasis on meat quality2008
Dr Nemat Ziaei
Dr Jonathan Guy
Emerita Professor Sandra Edwards
Effect of reducing dietary mineral content on growth performance, water intake, excreta dry matter content and blood parameters of broilers2008
Dr Dave George
Dr Jonathan Guy
Dr Olivier Sparagano
Lack of prolonged activity of lavender essential oils as acaricides against the poultry red mite (Dermanyssus gallinae) under laboratory conditions2008
Dr Jonathan Guy
Emerita Professor Sandra Edwards
Postnatal changes in electromyographic signals during piglet growth, and in relation to muscle fibre types2008
Dr Dave George
Dr Olivier Sparagano
Dr Jonathan Guy
The influence of 'time since last blood meal' on the toxicity of essential oils to the poultry red mite (Dermanyssus gallinae)2008
Dr Carlos De Luna
Samuel Arkle
David Harrington
Dr Jonathan Guy
Dr Olivier Sparagano
et al.
The poultry red mite Dermanyssus gallinae as a potential carrier of vector-borne diseases2008
David George
Dr Jonathan Guy
Samuel Arkle
David Harrington
Dr Carlos De Luna
et al.
Use of Plant-derived Products to Control Arthropods of Veterinary Importance: A Review2008
Dr Nemat Ziaei
Dr Jonathan Guy
Emerita Professor Sandra Edwards
Effect of gender on factors affecting excreta dry matter content of broiler chickens2007
Samuel Arkle
David Harrington
Dr Carlos De Luna
Dr Dave George
Dr Jonathan Guy
et al.
Immunological Control of the Poultry Red Mite: The Use of Whole Mite Antigens as a Vaccine Candidate2007
Dr Carlos De Luna
Samuel Arkle
David Harrington
Dr Dave George
Dr Jonathan Guy
et al.
The Poultry Red Mite Dermanyssus gallinae as a Potential Carrier of Vector-borne Diseases2007
Dr Jonathan Guy
Emerita Professor Sandra Edwards
Alternative production systems2006
Dr Philip Cain
Dr Jonathan Guy
Counting the cost of improved welfare for breeding sows in the UK2006
Samuel Arkle
Dr Jonathan Guy
Dr Olivier Sparagano
Immunological effects and productivity variation of red mite (Dermanyssus gallinae) on laying hens - Implications for egg production and quality2006
Dr Nemat Ziaei
Dr Jonathan Guy
Emerita Professor Sandra Edwards
Effect of dietary calcium and phosphorous on growth performance, excreta consistency, nutrient digestibility and bone strength of broiler chickens2005
Samuel Arkle
Dr Jonathan Guy
Dr Olivier Sparagano
Red mite population dynamics in relation to production parameters and immunoglobulin-Y (IgY) levels in laying hens.2005
Dr Nemat Ziaei
Dr Jonathan Guy
Emerita Professor Sandra Edwards
Effect of gender on water, feed intake and dry matter consistency of broilers2004
Dr Jonathan Guy
Emerita Professor Sandra Edwards
Effect of Meishan genotype on feed intake, growth performance and pork eating quality2004
Dr Jonathan Guy
Mokhtar Khajavi
Dr Olivier Sparagano
Red mite (Dermanyssus gallinae) prevalence in laying units in Northern England2004
Samuel Arkle
Dr Jonathan Guy
Dr Olivier Sparagano
Variation in the population of Dermanyssus gallinae in a free range laying unit and effectiveness of chemical control2004
Dr Jonathan Guy
Effect of enrichment with Pecka-Blocks™ on the behaviour and feather condition of commercially-reared broilers2003
Dr Hannah Bornett
Dr Jonathan Guy
Dr Philip Cain
Impact of animal welfare on costs and viability of pig production in the UK2003
Dr Philip Cain
Dr Jonathan Guy
Dr Hannah Bornett
The cost of increased animal welfare standards in UK pig production systems2003
Dr Jonathan Guy
Dr Peter Rowlinson
John Chadwick
Behaviour of two genotypes of growing-finishing in three different housing systems2002
Dr Jonathan Guy
Emerita Professor Sandra Edwards
Consequences for meat quality of producing pork under organic standards2002
Dr Jonathan Guy
Dr Peter Rowlinson
John Chadwick
Growth performance and carcass characteristics of two genotypes of growing-finishing pig in three different housing systems2002
Dr Jonathan Guy
Dr Peter Rowlinson
John Chadwick
Health conditions of two genotypes of growing-finishing pig in three different housing systems: Implications for welfare2002
Dr Jonathan Guy
Dr Hannah Bornett
Dr Philip Cain
The comparative cost of higher welfare in UK pig finishing systems. What price cheap food.2002
Dr Jonathan Guy
The Pig Mobile: a simple environmental enrichment device for growing pigs in barren pens2002
Dr Jonathan Guy
Dr James Field
Preliminary observations on the effect of perches and objects in the feed trough on the behaviour and welfare of caged hens2001
Dr Jonathan Guy
The effect of an environmental enrichment device - the PECKABLOCK™ - on the behaviour and growth performance of broiler chicks2000
Dr Jonathan Guy
The influence of a simple environmental enrichment device on the behaviour and growth of intensively-reared pigs2000