Effects of weight, temperature and behaviour on the circadian rhythm of salivary cortisol in growing pigs

Animal

Volumn 2, Issue 3, 2008, Pages 405-409

  Hillmann, E ^a   Schrader, L ^c   Mayer, C ^c   Gygax, L ^b  

^a ETH ZURICH   (Switzerland)

^b AGROSCOPE RECKENHOLZ TÄNIKON RESEARCH STATION ART   (Switzerland)

^c INSTITUTE FOR EPIDEMIOLOGY AND PATHOGEN DIAGNOSTICS   (Germany)

Author keywords

Circadian rhythm; Mixed effects model; Pigs; Salivary cortisol

Indexed keywords

ANIMALIA; SUIDAE;

EID: 43049116175     PISSN: 17517311     EISSN: 1751732X     Source Type: Journal    
DOI: 10.1017/S1751731107001279     Document Type: Article

References (18)

1. Bate LA and Hacker RR 1985. Effect of cannulation and environmental temperature on the concentration of serum cortisol in pregnant sows. Canadian Journal of Animal Science 65, 399-404.
2. Boon CR 1981. The effect of departures from lower critical temperature on the group postural behaviour of pigs. Animal Production 33, 71-79.
3. Cook NJ, Schaefer AL, Lepage P and Morgan Jones S 1996. Salivary vs. serum cortisol for the assessment of adrenal activity in swine. Canadian Journal of Animal Science 76, 329-335.
4. De Jong IC, Prelle TI, van de Burgwal JA, Lambooij E, Korte SM, Blokhuis HJ and Koolhaas JM 2000. Effects of environmental enrichment on behavioral responses to novelty, learning, and memory, and the circadian rhythm in cortisol in growing pigs. Physiology and Behavior 68, 571-578.
5. De Leeuw JA and Ekkel ED 2004. Effects of feeding level and the presence of a foraging substrate on the behaviour and stress physiological response of individually housed gilts. Applied Animal Behaviour Science 86, 15-25.
6. Ekkel ED, Dieleman SJ, Schouten WGP, Portela A, Cornelissen G, Tielen MJM and Halberg F 1996. The circadian rhythm of cortisol in the saliva of young pigs. Physiology and Behavior 60, 985-989.
7. Ekkel DE, Spoolder HAM, Hulsegge I and Hopster H 2003. Lying characteristics as determinants for space requirements in pigs. Applied Animal Behaviour Science 80, 19-30.
8. Geverink NA, Schouten WGP, Gort G and Wiegant VM 2003. Individual differences in behaviour, physiology and pathology in breeding gilts housed in groups or stalls. Applied Animal Behaviour Science 81, 29-41.
9. Griffith MK and Minton JE 1991. Free-running rhythms of adrenocorticotropic hormone (ACTH), cortisol and melatonin in pigs. Domestic Animal Endocrinology 8, 201-208.
10. Hillmann E, Mayer C and Schrader L 2004. Lying behaviour and adrenocortical reactions as indicators for the thermal tolerance of pigs of different weight. Animal Welfare 13, 329-335.
11. Hillmann E, Mayer C, Gygax L and Schrader L 2005. Effects of space allowance on behavioural and adrenocortical reactions to elevated temperatures in fattening pigs. Lanbauforschung Völkenrode 55, 255-260.
12. Huynh TTT, Aarnink AJA, Gerrits WJJ, Heetkamp MJH, Canh TT, Spoolder HAM, Kemp B and Verstegen MWA 2005. Thermal behaviour of growing pigs in response to high temperature and humidity. Applied Animal Behaviour Science 91, 1-16.
13. Klemcke HG, Nienaber JA and Hahn GL 1989. Plasma adrenocorticotropic hormone and cortisol in pigs: effects of time of day on basal and stressoraltered concentrations. Experimental Biology and Medicine 190, 42-53.
14. Negrao JA, Porcionato MA, De Passille AM and Rushen J 2004. Cortisol in saliva and plasma of cattle after ACTH administration and milking. Journal of Dairy Science 87, 1713-1718.
15. Pinheiro JC and Bates DM 2000. Mixed-effects models in S and S-PLUS. Springer, New York.
16. Ruis MAW, Te Brake JHA, Engel B, Ekkel ED, Buist WG, Blokhuis HJ and Koolhaas JM 1997. The circadian rhythm of salivary cortisol in growing pigs: effects of age, gender and stress. Physiology and Behavior 62, 623-630.
17. Schönreiter S and Zanella AJ 2000. Assessment of cortisol in swine by saliva: new methodological approaches. Archiv für Tierzucht 43, 165-170.
18. Venables WN and Ripley BD 2002. Modern applied statistics with S. Springer, New York.