Behaviour of golden hamsters (Mesocricetus auratus) - Vetsuisse ...

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Tab.1 Correlation between the durations of various behaviours+ or - correlation r s >0.3, ++, or -- correlation r s > 0.6, +++, or --- correlation r s > 0.9, blank fields showno significant correlation.Behaviourwheelrunningresting rearing grooming wiregnawingfeeding running gnawing climbingwheelrunning- - - - - - - - - - - -resting 0.000038 + +rearing 0.000000 0.002952 ++ + + + +groomingwire0.000000 0.000000 +++ + + ++gnawingfeeding 0.000000 0.000001 0.000000 + + ++running 0.000000 0.000433 0.000132 0.000397 + ++gnawing 0.000109 0.009750 0.011624 0.000588 0.001295 0.002035 +climbing 0.000000 0.000001 0.000000 0.000000 0.000000 0.001828The important results of the different behavioural activities are listed below.The occurrence of hydrocephalus as a main factor was never significant.Running-wheelAll hamsters used the running-wheel. The average distance was 8.3 km per day(8872 revolutions). The minimum per animal was on average 0.63 km per day; themaximum was 18.56 km per day. During the 10 weeks before the stress treatment,running wheel activity of hamsters was similar in all 4 cage sizes (F = 0.88, N = 59, P= 0.4552). The stress treatment affected running wheel activity significantly in allcage sizes. During the two days after stress treatment running-wheel activity wassignificantly higher than before and during stress treatment (Repeated Measures-ANOVA: F = 5.31, N = 45, P = 0.0068) (Tab. 2).The total percent duration of wheel-running seen in the observationscorrelated with the median of the revolutions per day measured with theChronobiology Kit (r s = 0.60, N = 58, P < 0.0001).13
Tab. 2 Post-hoc comparisons of running-wheel activity 2 days before (2BS), 2 days during (2DS) and2 days after (2AS) stress treatment.Comparison T-Value p-Value Revolutions/day2AS vs. 2BS and 2DS2AS vs. 2BS2AS vs. 2DS2BS vs. 2DST = 3.2059T = 2.2127T = 3.3436T = 1.1617p = 0.001823p = 0.029267p = 0.001177p = 0.248200+1188+2115.36+927.36Wire gnawingCompared with gnawing at various structures(cardboard tube, twigs, house, etc.) the hamstersgenerally gnawed at the wire for longer periods(Wilcoxon Signed- Rank Test: Z = 4.3439, P
Page 1 and 2: Institut für Genetik, Ernährung u
Page 3 and 4: Table of contentPage1 Zusammenfassu
Page 5 and 6: eingerichtet. Die Laufradaktivität
Page 7 and 8: 2 Behaviour of golden hamsters (Mes
Page 9 and 10: IntroductionHamsters are common lab
Page 11 and 12: MethodsAnimals and housing conditio
Page 13 and 14: weaningvideorecordingvideorecording
Page 15: ResultsBehaviourHamsters devoted mo
Page 19 and 20: GroomingAll hamsters were observed
Page 21 and 22: Open spaceUsage of open space was p
Page 23 and 24: Stress hormones and organsNeither s
Page 25 and 26: directed exploration, which, after
Page 27 and 28: top wire. Some hamsters used to cli
Page 29 and 30: Autopsies of the three hamsters tha
Page 31 and 32: ReferencesBantin G.C. and Sanders P
Page 33 and 34: Sherwin C.M., 1998. Voluntary wheel
Page 35 and 36: 3 CAN WE TELL HAMSTERS ARE STRESSED
Page 37 and 38: IntroductionConcentrations of gluco
Page 39 and 40: The experiments were approved by th
Page 41 and 42: ResultsMales had generally higher v
Page 43 and 44: Fig. 1 The concentration of cortiso
Page 45 and 46: ACTHLevels of ACTH were significant
Page 47 and 48: ACTH-Challenge TestIn the ACTH-chal
Page 49 and 50: negative feedback of cortisol: incr
Page 51 and 52: ConclusionsSince the stress respons
Page 53 and 54: Kuhnen, G., Werner, R. 1998. Plasma
Page 55 and 56: 4 AppendixApp. I Cage size 1 (right
Page 57 and 58: App. IV Behaviour catalogue. Descri
Page 59: 5 DanksagungenIch möchte allen dan

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