de Jong, Ingrid

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Chronic stress parameters in pigs:Indicators of animal welfare?

Jong, I., de

Wageningen Yield 

Chronic stress parameters in pigs - indicators of animal welfare

University of Groningen

   University of GroningenChronic stress parameters in pigsde Jong, IngridIMPORTANT NOTE: You are advised to consult the publisher's version (publisher's PDF) if you wish to cite fromit. Please check the document version below.Document VersionPublisher's PDF, also known as Version of recordPublication date:2000Link to publication in University of Groningen/UMCG research databaseCitation for published version (APA):de Jong, I. (2000). Chronic stress parameters in pigs: Indicators of animal welfare?. [Groningen]: Universityof Groningen.CopyrightOther than for strictly personal use, it is not permitted to download or to forward/distribute the text or part of it without the consent of theauthor(s) and/or copyright holder(s), unless the work is under an open content license (like Creative Commons).Take-down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediatelyand investigate your claim.Downloaded from the University of Groningen/UMCG research database (Pure): http://www.rug.nl/research/portal. For technical reasons thenumber of authors shown on this cover page is limited to 10 maximum.Download date: 12-11-2019CHRONIC STRESS PARAMETERS IN PIGSIndicators of Animal Welfare?Ingrid de JongRIJKSUNIVERSITEIT GRONINGENCHRONIC STRESS PARAMETERS IN PIGSIndicators of Animal Welfare?Proefschriftter verkrijging van het doctoraat in deWiskunde en Natuurwetenschappenaan de Rijksuniversiteit Groningenop gezag van deRector Magnificus, dr. D.F.J. Bosscher,in het openbaar te verdedigen opvrijdag 29 september 2000om 14.15 uurdoorIngrid Cornelia de Jonggeboren op 24 februari 1971te GoesPromotor: Prof. dr. J.M. KoolhaasReferenten: Dr. ir. H.J. BlokhuisDr. E. LambooijBeoordelingscommissie: Prof. dr. B.G.J. BohusProf. dr. E. von BorellProf. dr. V.M. WiegantISBN 90-9013987-7The research described in this thesis was carried out at the Department ofBehaviour, Stress Physiology and Management, Institute for Animal Science andHealth, Lelystad, The Netherlands, and at the Department of  Animal Physiology,Graduate School for Behavioral and Cognitive Neurosciences, University ofGroningen, The Netherlands.The research described in this thesis was funded by the EU (AIR3-CT94-2304) andthe Dutch Ministery of Agriculture, Nature Management and Fisheries.Cover Herman NautaPrinted by Universal Press, VeenendaalContentsChapter 1 General introduction 7Chapter 2 Effects of strawbedding on physiological responses tostressors and behaviour in growing pigs 25Chapter 3 Effects of environmental enrichment on behaviouralresponses to novelty, learning, and memory, and thecircadian rhythm in cortisol in growing pigs 49Chapter 4 Effects of rearing conditions on behavioural andphysiological responses of pigs to preslaughter handlingand mixing at transport 71Chapter 5 Effects of social stress on heart rate and heart ratevariability in growing pigs 89Chapter 6 Mixing induces long-term hyperthermia ingrowing pigs 109Chapter 7 Effects of nutritional level on body temperature,heart rate and behaviour in growing pigs 123Chapter 8 Summary and discussion 145Samenvatting 159List of publications 165Dankwoord 169Curriculum Vitae 171

University of Groningen Research Database

  
 University of Groningen
Chronic stress parameters in pigs
de Jong, Ingrid
IMPORTANT NOTE: You are advised to consult the publisher's version (publisher's PDF) if you wish to cite from
it. Please check the document version below.
Document Version
Publisher's PDF, also known as Version of record
Publication date:
2000
Link to publication in University of Groningen/UMCG research database
Citation for published version (APA):
de Jong, I. (2000). Chronic stress parameters in pigs: Indicators of animal welfare? [Groningen]: University
of Groningen
Copyright
Other than for strictly personal use, it is not permitted to download or to forward/distribute the text or part of it without the consent of the
author(s) and/or copyright holder(s), unless the work is under an open content license (like Creative Commons).
Take-down policy
If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately
and investigate your claim.
Downloaded from the University of Groningen/UMCG research database (Pure): http://www.rug.nl/research/portal. For technical reasons the
number of authors shown on this cover page is limited to 10 maximum.
Download date: 11-02-2018
CHRONIC STRESS PARAMETERS IN PIGS
Indicators of Animal Welfare?
Ingrid de Jong

RIJKSUNIVERSITEIT GRONINGEN
CHRONIC STRESS PARAMETERS IN PIGS
Indicators of Animal Welfare?
Proefschrift
ter verkrijging van het doctoraat in de
Wiskunde en Natuurwetenschappen
aan de Rijksuniversiteit Groningen
op gezag van de
Rector Magnificus, dr. D.F.J. Bosscher,
in het openbaar te verdedigen op
vrijdag 29 september 2000
om 14.15 uur
door
Ingrid Cornelia de Jong
geboren op 24 februari 1971
te Goes
Promotor: Prof. dr. J.M. Koolhaas
Referenten: Dr. ir. H.J. Blokhuis
Dr. E. Lambooij
Beoordelingscommissie: Prof. dr. B.G.J. Bohus
Prof. dr. E. von Borell
Prof. dr. V.M. Wiegant
ISBN 90-9013987-7
The research described in this thesis was carried out at the Department of
Behaviour, Stress Physiology and Management, Institute for Animal Science and
Health, Lelystad, The Netherlands, and at the Department of  Animal Physiology,
Graduate School for Behavioral and Cognitive Neurosciences, University of
Groningen, The Netherlands.
The research described in this thesis was funded by the EU (AIR3-CT94-2304) and
the Dutch Ministery of Agriculture, Nature Management and Fisheries.
Cover Herman Nauta
Printed by Universal Press, Veenendaal
Contents
Chapter 1 General introduction 7
Chapter 2 Effects of strawbedding on physiological responses to
stressors and behaviour in growing pigs 25
Chapter 3 Effects of environmental enrichment on behavioural
responses to novelty, learning, and memory, and the
circadian rhythm in cortisol in growing pigs 49
Chapter 4 Effects of rearing conditions on behavioural and
physiological responses of pigs to preslaughter handling
and mixing at transport 71
Chapter 5 Effects of social stress on heart rate and heart rate
variability in growing pigs 89
Chapter 6 Mixing induces long-term hyperthermia in
growing pigs 109
Chapter 7 Effects of nutritional level on body temperature,
heart rate and behaviour in growing pigs 123
Chapter 8 Summary and discussion 145
Samenvatting 159
List of publications 165
Dankwoord 169
Curriculum Vitae 171



Jong, de, I.

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Chronic stress parameters in pigs:Indicators of animal welfare?

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