A critical review of fear tests used on cattle, pigs, sheep, poultry and horses

Physiology and Behavior

Volumn 92, Issue 3, 2007, Pages 340-374

  Forkman, B ^a   Boissy, A ^b   Meunier Salaun M C ^c   Canali, E ^d   Jones, R B ^e  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

^b UMR1213 HERBIVORES   (France)

^c CEMAGREF   (France)

^d UNIVERSITY OF MILAN   (Italy)

^e NONE

Author keywords

Cattle; Fear; Horse; Novel object; Open field; Pig; Poultry; Sheep; Tonic immobility

Indexed keywords

ANIMAL BEHAVIOR; ARTICLE; BIODIVERSITY; CATTLE; FEAR; HORSE; NONHUMAN; OPEN FIELD BEHAVIOR; POULTRY; PRIORITY JOURNAL; SHEEP; STIMULUS RESPONSE; SWINE; VALIDITY;

EID: 35348835661     PISSN: 00319384     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.physbeh.2007.03.016     Document Type: Article

References (170)

1. Boissy A. Fear and fearfulness in determining behavior. In: Grandin T. (Ed). Genetics and the behaviour of domestic animals (1998), Academic Press, San Diego, USA 67-111
2. Dwyer C.M. How has the risk of predation shaped the behavioural responses of sheep to fear and distress?. Anim Welf 13 3 (2004) 269-281
3. Asheim L.J., and Mysterud I. External effects of mitigating measures to reduce large carnivore predation on sheep. J Farm Manage 12 4 (2005) 206-213
4. Wohlt J.E., Allyn M.E., Zajac P.K., and Katz L.S. Cortisol increases in plasma of Holstein heifer calves from handling and method of electrical dehorning. J Dairy Sci 77 12 (1994) 3725-3729
5. Hargreaves A.L., and Hutson G.D. The effect of gentling on heart rate, flight distance and aversion of sheep to a handling procedure. Appl Anim Behav Sci 26 3 (1990) 243-252
6. Price E.O. Behavioural aspects of animal domestication. Q Rev Biol 59 (1984) 1-32
7. Bouissou M.F., Boissy A., Le Neindre P., and Veissier I. The social behaviour of cattle. In: Keeling L., and Gonyou H. (Eds). Social behaviour in farm animals (2001), CABI Publishing, Wallingford, UK 113-145
8. Fisher A., and Matthews L. The social behaviour of sheep. In: Keeling L., and Gonyou H. (Eds). Social behaviour in farm animals (2001), CABI Publishing, Wallingford, UK 211-245
9. Hemsworth P.H., and Coleman G.J. Human-livestock interactions. In: Hemsworth P.H., and Coleman G.J. (Eds). The stockperson and the productivity and welfare of intensively farmed animals, London (1998)
10. Ramos A., and Mormède P. Stress and emotionality: a multidimensional and genetic approach. Neurosci Biobehav Rev 22 (1998) 33-57
11. Boissy A., Fisher A.D., Bouix J., Hinch G.N., and Le Neindre P. Genetics of fear in ruminant livestock. Livest Prod Sci 93 (2005) 23-32
12. Gray J. The psychology of fear and stress. Problems in behavioural sciences (1987), Cambridge university press, Cambridge
13. Keeling L., and Gonyou H. Social. behaviour. in. farm. animals (2001), CABI Publishing, Wallingford, UK
14. Poindron P., Raksanyi I., Orgeur P., and Le Neindre P. Comparaison du comportement maternel en bergerie à la parturition chez des brebis primipares ou multipares de race Romanov, Préalpes du Sud et Ile de. France. Genet Sel Evol 16 (1984) 503-522
15. Boissy A., Terlouw C., and Le Neindre P. Presence of cues from stressed conspecifics increases reactivity to aversive events in cattle: evidence for the existence of alarm substances in urine. Physiol Behav 63 4 (1998) 489-495
16. Erhard H.W., and Mendl M. Tonic immobility and emergence time in pigs - more evidence for behavioural strategies. Appl Anim Behav Sci 61 (1999) 227-237
17. von Borrel et al. This volume.
18. Mormède et al. This volume.
19. Hall C.S. Emotional behaviour in the rat: III The relationship between emotionality and ambulatory activity. J Comp Psychol 22 (1936) 345-352
20. Archer J. Tests for emotionality in rat and mice: a review. Anim Behav 21 (1973) 205-235
21. Ramos A., Berton O., Mormède P., and Chaouloff F. A multiple test study of anxiety related behaviours in six inbred rat strains. Behav Brain Res 85 (1997) 57-69
22. Waiblinger S., Boivin S., Pedersen V., Tosi M., Janczak A.M., Visser E.K., et al. Assessing the human animal relationship in farmed species: a critical review. Appl Anim Behav Sci 101 (2006) 185-242
23. Murphey R.M., Duarte F.A.M., and Penedo M.C.T. Responses of cattle to humans in open spaces: breed comparisons and approach avoidance relationships. Behav Genet 11 1 (1981) 37-48
24. Boissy et al. This volume.
25. Shelton M., and Wade D. Predatory losses: a serious livestock problem. Ann Ind Today 2 (1979) 4-9
26. Romeyer A., and Bouissou M.F. Assessment of fear reactions in domestic sheep, and influence of breed and rearing conditions. Appl Anim Behav Sci 34 1. 2 (1992) 93-119
27. Boissy A., and Bouissou M.F. Assessment of individual differences in behavioural reactions of heifers exposed to various fear-eliciting situations. Appl Anim Behav Sci 46 (1995) 17-31
28. Weiss J.M. Psychological factors in stress and disease. Sci Am 226 (1972) 104-113
29. Muir J.L., and Pfister H.P. Time course of the corticosterone and prolactin response following predictable and unpredictable novelty stress in Rattus norvegicus. Physiol Behav 40 (1987) 103-107
30. Tazi A., Dantzer R., and Le Moal M. Prediction and control of food rewards modulate endogenous pain inhibitory systems. Behav Brain Res 23 (1987) 197-204
31. Spruijt B.M., van den Bos R., and Pijlman F.T. A concept of welfare based on reward evaluating mechanisms in the brain: anticipatory behavior as an indicator for the state of reward systems. Appl Anim Behav Sci 72 (2001) 145-171
32. Martin P., and Bateson P. Measuring behaviour, an introductory guide. 2nd ed (1993), Cambridge University Press, New York 1-222
33. Brush F.R., Baron S., Froehlich J.C., Ison J.R., Pellegrino L.J., Phillips D.S., et al. Genetic differences in avoidance learning by Rattus norvegicus: escape/avoidance responding, sensitivity to electric shock, discrimination learning and open-field behavior. J Comp Psychol 99 (1985) 60-73
34. Ley R. Open-field behavior, emotionality during fear conditioning and fear-motivated instrumental performance. Bull Psychon Soc 6 (1975) 598-600
35. Goddard M.E., and Beilharz R.G. A factor analysis of fearfulness in potential guide dogs. Appl Anim Behav Sci 12 (1984) 253-265
36. Jones R.B., and Mills A.D. Estimation of fear in two lines of the domestic chick: correlations between various methods. Behav Processes 8 (1983) 243-253
37. Jones R.B. Repeatability of fear ranks among adult laying hens. Appl Anim Behav Sci 19 (1988) 297-304
38. Mills A.D., and Faure J.M. The estimation of fear in domestic quail: correlations between various methods and measures. Biol behav 11 (1986) 235-243
39. Boissy A., and Bouissou M.F. Effects of androgen treatment on behavioural and physiological responses of heifers to fear-eliciting situations. Horm Behav 28 (1994) 66-83
40. Vandenheede M., and Bouissou M.F. Sex differences in fear reactions in sheep. Appl Anim Behav Sci 37 1 (1993) 39-55
41. de Passillé A.M., Rushen J., and Martin F. Interpreting the behaviour of calves in an open field test: a factor analysis. Appl Anim Behav Sci 45 (1995) 201-213
42. Lauber M.C.Y., Hemsworth P.H., and Barnett H.L. The effects of age and experience on behavioural development in dairy calves. Appl Anim Behav Sci 99 (2006) 41-52
43. Kilgour R.J., Melville G.J., and Greenwood P.L. Individual differences in the reaction of beef cattle to situations involving social isolation, close proximity of humans, restraint and novelty. Appl Anim Behav Sci 99 (2006) 21-40
44. Kilgour R. The open field test as an assessment of the temperament of dairy cows. Anim Behav 23 (1975) 615-624
45. Kovalčikováč M., and Kovalčik K. Relationships between parameters of open field test of cows and their milk production in loose house. Appl Anim Behav Sci 9 (1982/83) 121-129
46. Boissy A., and Bouissou M.F. Effects of early handling on heifers' subsequent reactivity to humans and to unfamiliar situations. Appl Anim Behav Sci 20 (1988) 259-273
47. Le Neindre P. Influence of rearing conditions and breed on social behaviour and activity of cattle in novel environments. Appl Anim Behav Sci 23 (1989) 129-140
48. Boivin X., Le Neindre P., Chupin J.M., Garel J.P., and Trillat G. Influence of breed and early management on ease of handling and open field behaviour of cattle. Appl Anim Behav Sci 32 (1992) 313-323
49. Van Reenen C.G., Engel B., Ruis Heutinck L.F.M., Van der Werf J.T.N., Buist W.G., Jones R.B., et al. Behavioural reactivity of heifer calves in potentially alarming situations: a multivariate and correlational analysis. Appl Anim Behav Sci 85 (2004) 11-30
50. Van Reenen C.G., O'Connell N.E., Van der Werf J.T.N., Korte S.M., Hopster H., Jones R.B., et al. Responses of calves to acute stress: individual consistency and relations between behavioural and physiological measures. Physiol Behav 8 (2005) 557-570
51. Jensen M.B., Vestergaard K.S., Krohn C.C., and Munksgaard L. Effect of single versus group housing and space allowance on responses of calves during open field tests. Appl Anim Behav Sci 54 (1997) 109-121
52. Jensen M.B. A note on the effect of isolation during testing and length of previous confinement on locomotor behaviour during open-field test in dairy calves. Appl Anim Behav Sci 70 4 (2001) 309-315
53. Arave C.W., Mickelsen C.H., and Walters J.L. Effect of early rearing experience on subsequent behavior and production of Holstein heifers. J Dairy Sci 68 (1985) 923-929
54. Dantzer R., Mormede P., Bluthé R.M., and Soissons J. The effect of different housing conditions on behavioural and adrenocortical reactions in veal calves. Reprod Nutr Dev 23 (1983) 501-508
55. Dellmeier G., Friend T.H., and Gbur E.E. Comparison of four methods of calf confinement. II. Behavior. J Anim Sci 60 (1985) 1102-1109
56. Canali E., Verga M., Montagna M., and Baldi A. Social interactions and induced behavioural reactions in milk-fed female calves. Appl Anim Behav Sci 16 (1986) 207-215
57. Redbo I. Relations between oral stereotypies, open field behavior, and pituitary adrenal system in growing dairy cattle. Physiol Behav 64 (1998) 273-278
58. Munksgaard L., and Jensen M.B. The use of "open field" tests in the assessment of welfare of cattle. Acta Agricult Scand Suppl 27 (1996) 82-85
59. Dellmeier G.R., Friend T.H., and Gbur E.E. Effect of changing housing on open field behaviour of calves. Appl Behav Sci 26 (1990) 215-230
60. Miller C.P., Wood Gush D.G.M., and Martin P. The effect of rearing systems on the response of calves to novelty. Biol Behav II (1986) 50-60
61. Fraser D. The vocalizations and other behaviour of growing pigs in an 'open field' test. Appl Anim Ethol 1 1 (1974) 3-16
62. von Borell E., and Ladewig J. Relationship between behaviour and adrenocortical response pattern in domestic pigs. Appl Anim Behav Sci 34 (1992) 195-206
63. Thodberg K., Jensen K.H., and Herskin M.S. A general reaction pattern across situations in prepubertal gilts. Appl Anim Behav Sci 63 (1999) 103-119
64. Ruis M.A.W., te Brake J.H.A., van de Burgwal J.A., de Jong I.C., Blokhuis H.J., and Koolhaas J.M. Personalities in female domesticated pigs: behaviouiral and physiological indications. Appl Anim Behav Sci 66 (2000) 31-47
65. Jensen P., Forkman B., Thodberg K., and Köster E. Individual variation and consistency in piglet behaviour. Appl Anim Behav Sci 45 (1995) 43-52
66. van Kooij E., Kuijpers A.H., Schrama J.W., van Eerdenburg F.J.C.M., Schouten W.G.P., and Tielen M.J.M. Can we predict behaviour in pigs? Searching for consistency in behaviour over time and across situations. Appl Anim Behav Sci 75 4 (2002) 293-305
67. Andersen I.L., Færevik G., Bøe K.E., Janczak A.M., and Bakken M. Effects of diazepam on the behaviour of weaned pigs in three putative models of anxiety. Appl Anim Behav Sci 68 (2000) 121-130
68. Andersen I.L., Bøe K.E., Færevik G., Janczak A.M., and Bakken M. Behavioural evaluation of methods for assessing fear responses in weaned pigs. Appl Anim Behav Sci 69 (2000) 227-240
69. Giroux S., Martineau G.P., and Robert S. Relationships between individual behavioural traits and post-weaning growth in segregated early-weaned piglets. Appl Anim Behav Sci 70 1 (2000) 41-48
70. Geverink N.A., Kappers A., Burgwal van de J.A., Lambooij E., Blokhuis H.J., and Wiegant V.M. Effects of regular moving and handling on the behavioural and physiological consequences to preslaughter treatment and consequences for subsequent meat quality. J Anim Sci 76 (1998) 2080-2085
71. Spoolder H.A.M., Burbidge J.A., Lawrence A.B., Simmins P.H., and Edwards S.A. Individual behavioural differences in pigs: intra and inter test consistency. Appl Anim Behav Sci 49 (1996) 185-198
72. Forkman B., Furuhaug I.L., and Jensen P. Personality, coping patterns, and aggression in piglets. Appl Anim Behav Sci 45 (1995) 31-42
73. Jones J.B., Wathes C.M., White R.P., and Jones R.B. Do pigs find a familiar odourant attractive in novel surroundings?. Appl Anim Behav Sci 70 (2000) 115-126
74. Lawrence A.B., Terlouw E.M.C., and Illius A.W. Individual differences in behavioural responses of pigs exposed to non-social and social challenges. Appl Anim Behav Sci 30 (1991) 73-86
75. Hessing M.J.C., Hagelsø A.M., Schouten W.G.P., Wiepkema P.R., and van Beek J.A.M. Individual behavioral and physiological strategies in pigs. Physiol Behav 55 (1994) 39-46
76. Janczak A.M., Pedersen L.J., and Bakken M. Aggression, fearfulness and coping styles in female pigs. Appl Anim Behav Sci 81 1 (2003) 13-28
77. Hayne S.M., and Gonyou H.W. Effects of regrouping on the individual behavioural characteristics of pigs. Appl Anim Behav Sci 82 4 (2003) 267-278
78. Hutson G.D., Ambrose T.J., Barnett J.L., and Tilbrook A.J. Development of a behavioural test of sensory responsiveness in the growing pig. Appl Anim Behav Sci 66 (2000) 187-202
79. Erhard H.W., Mendl M., and Christiansen S.B. Individual differences in tonic immobility may reflect behavioural strategies. Appl Anim Behav Sci 64 (1999) 31-46
80. Hessing M.J.C., Hagelsø A.M., van Beek J.A.M., Wiepkema P.R., Schouten W.P.G., and Krukow R. Individual behavioural characteristics in pigs. Appl Anim Behav Sci 37 (1993) 285-295
81. van Kooij E., Kuijpers A.H., Schrama J.W., Ekkel E.D., and Tielen M.J.M. Individual behavioural characteristics in pigs and their impact on production. Appl Anim Behav Sci 66 (2000) 171-185
82. Jensen P., Rushen J., and Forkman B. Behavioural strategies or just individual variation in behaviour? - a lack of evidence for active and passive piglets. Appl Anim Behav Sci 43 (1995) 135-139
83. Tanida H., Miura A., Tanaka T., and Yoshimoto T. Behavioral responses of piglets to darkness and shadows. Appl Anim Behav Sci 49 (1996) 173-183
84. Cheng C., Costall B., Kelly M.E., and Naylor J.R. Action of 5. hydroxytryptophan to inhibit and disinhibit mouse behaviour in the light/dark test. Eur J Pharmacol 225 (1994) 39-49
85. Misslin R., and Cigrang M. Does neophobia necessarily imply fear or anxiety?. Behav Processes 12 1 (1986) 45-50
86. Caley P. Movements, activity patterns and habitat use of feral pigs (Sus scrofa) in a tropical habitat. Wildless Res 24 (1997) 77-78
87. Russo L., Massei G., and Genov P.V. Daily home range and activity of wild boar in a mediterranean area free from hunting. Ethol Ecol Evol 9 (1997) 287-294
88. Braude R., Mitchell K.G., Finnkelsey P., and Owen V.M. The effect of light on fattening pigs. Proc Nutr Soc 17 (1958) 38
89. In: Fraser A.F., and Broom D.M. (Eds). Farm animal behaviour and welfare (1997), CAB International, Wallingford, UK
90. Pellow S., Chopin P., File S.E., and Briley M. Validation of open-closed arm entries in an elevated plus-maze as a measure of anxiety in the rat. J Neurosci Methods 14 3 (1985) 149-167
91. Lister R.G. The use of a plus maze to measure anxiety in the mouse. Psychopharmacology 92 (1987) 180-185
92. Janczak A.M., Andersen I.L., Boe K.E., Faerevik G., and Bakken M. Factor analysis of behaviour in the porcine and murine elevated plus-maze models of anxiety. Appl Anim Behav Sci 77 (2002) 155-166
93. Janczak A.M., Pedersen L.J., and Bakken M. Effects of variation in pre-test transport duration and animal age on behaviour in the porcine elevated plus-maze - a brief report. Appl Anim Behav Sci 77 3 (2002) 233-238
94. Janczak A.M., Pedersen L.J., Jensen K.H., Andersen I.L., Bøe K.E., and Bakken M. No effect of variation in handling on behaviour in a porcine elevated plus-maze - a brief report. Appl Anim Behav Sci 69 (2000) 169-173
95. Moberg G.P., and Wood V.A. Effect of differential rearing on the behavioral and adrenocortical response of lambs to a novel environment. Appl Anim Ethol 8 3 (1982) 269-279
96. Desire L., Veissier I., Despres G., and Boissy A. On the way to assess emotions in animals: do lambs (Ovis aries) evaluate an event through its suddenness, novelty, or unpredictability?. J Comp Psychol 118 4 (2004) 363-374
97. Erhard H.W., Boissy A., Rae M.T., and Rhind S.M. Effects of prenatal undernutrition on emotional reactivity and cognitive flexibility in adult sheep. Behav Brain Res 151 1/2 (2004) 25-35
98. Vandenheede M., and Bouissou M.F. Fear reactions of ewes to photographic images. Behav Processes 32 1 (1994) 17-28
99. Price E.O., and Thos J. Behavioral responses to short term social isolation in sheep and goats. Appl Anim Ethol 6 4 (1980) 331-339
100. Torres Hernandez G., and Hohenboken W. An attempt to assess traits of emotionality in crossbred ewes. Appl Anim Ethol 5 1 (1979) 71-83
101. Moberg G.P., Anderson C.O., and Underwood T.R. Ontogeny of the adrenal and behavioral responses of lambs to emotional stress. J Anim Sci 51 1 (1980) 138-142
102. Lachaux M., Bouissou M.F., Berges J.C., and Orgeur R.P. Behavior of Ile. de. France rams reared in different conditions in an open-field tests. Biol Behav 8 3 (1983) 257-269
103. Parrott R.F., Thornton S.N., and Robinson J.E. Endocrine responses to acute stress in castrated rams: no increase in oxytocin but evidence for an inverse relationship between cortisol and vasopressin. Acta Endocrinol 117 3 (1988) 381-386
104. Parrott R.F., Houpt K.A., and Misson B.H. Modification of the responses of sheep to isolation stress by the use of mirror panels. Appl Anim Behav Sci 19 3. 4 (1988) 331-338
105. Le Neindre P., Poindron P., Trillat G., and Orgeur P. Influence of breed on reactivity of sheep to humans. Genet Sel Evol 25 5 (1993) 447-458
106. Porter R.H., and Bouissou M.F. Discriminative responsiveness by lambs to visual images of conspecifics. Behav Processes 48 1/2 (1999) 101-110
107. Vierin M., and Bouissou M.F. Influence of maternal experience on fear reactions in ewes. Appl Anim Behav Sci 75 4 (2002) 307-331
108. Le Neindre P., Poindron P., Trillat G., and Orgeur P. Influence of breed on reactivity of sheep to humans. Genet Sel Evol 25 5 (1993) 447-458
109. Lyons D.M., Price E.O., and Moberg G.P. Individual differences in temperament of domestic dairy goats: constancy and change. Anim Behav 36 5 (1988) 1323-1333
110. Lyons D.M., and Price E.O. Relationships between heart rates and behavior of goats in encounters with people. Appl Anim Behav Sci 18 3/4 (1987) 363-369
111. Kilgour R.J., and Szantar-Coddington M.R. Arena behaviour of ewes selected for superior mothering ability differs from that of unselected ewes. Anim Reprod Sci 37 2 (1995) 133-141
112. Boivin X., Boissy A., Nowak R., Henry C., Tournadre H., and Le Neindre P. Maternal presence limits the effects of early bottle feeding and petting on lambs' socialisation to the stockperson. Appl Anim Behav Sci 77 4 (2002) 311-328
113. Jones R.B. Fear and adaptability in poultry: insights, implications and imperatives. Worlds Poult Sci J 52 (1996) 131-174
114. Gallup Jr. G.G., and Suarez S.D. An ethological analysis of open-field behaviour in chickens. Anim Behav 28 (1980) 368-378
115. Suarez S.D., and Gallup Jr. G.G. Social reinstatement and open-field testing in chickens. Anim Learn Behav 11 1 (1983) 119-126
116. Jones R.B. Open field behaviour in domestic chicks (Gallus domesticus): the influence of the experimenter. Biol behav 12 (1987) 100-115
117. Jones R.B., and Carmichael N.L. Open field behavior in domestic chicks tested individually or in pairs: differential effects of painted lines delineating subdivisions of the floor. Behav Res Methods Instrum Comput 29 3 (1997) 396-400
118. Jones R.B., and Faure J.M. Open field behaviour of male and female domestic chicks as a function of housing conditions, test situations and novelty. Biol behav 7 (1982) 17-25
119. Jones R.B., and Merry B.J. Individual or paired exposure of domestic chicks to an open field: some behavioural and adrenocortical consequences. Behav Processes 16 (1988) 75-86
120. Salvatierra N.A., and Arce A. Day-old chicks categorised on latency to peck, exhibit a stable fear pattern until 15 days of age. Appl Anim Behav Sci 73 (2001) 103-116
121. Heiblum R., Aizenstein O., Gvaryahu G., Voet H., Robinzon B., and Snapit N. Tonic immobility and open field responses in domestic fowl chicks during the first week of life. Appl Anim Behav Sci (1998) 347-357
122. Hocking P.M., Channing C.E., Waddington D., and Jones R.B. Age-related changes in fear, sociality and pecking behaviours in two strains of laying hen. Br Poult Sci 42 (2001) 414-423
123. Jones R.B., and Waddington D. Modification of fear in domestic chicks, Gallus gallus domesticus, via regular handling and early environmental enrichment. Anim Behav 43 (1992) 1021-1033
124. Moriarty D.D. Anxiogenic effects of a beta-carboline on tonic immobility and open field behaviour in chickens (Gallus gallus). Pharmacol Biochem Behav 51 4 (1995) 795-798
125. Jones R.B., Blokhuis H.J., and Beuving G. Open field and tonic immobility responses in domestic chicks of two genetic lines differing in their propensity to feather peck. Br Poult Sci 36 (1995) 525-530
126. Moriarty Jr. D.D., Roberts K.A., Allen J.L., and Hennig C.W. Anticholinergic drugs and open field behavior in chickens. Bull Psychon Soc 26 6 (1988) 559-562
127. Jones R.B. Sex and strain differences in the open field responses of the domestic chick. Appl Anim Ethol 3 (1977) 255-261
128. Jones R.B., Bessei W., and Faure J.M. Aspects of fear in Japanese quail chicks (Coturnix coturnix japonica) genetically selected for different levels of locomotor activity. Behav Processes 7 (1982) 201-210
129. Jones R.B., Mills A.D., and Faure J.M. Genetic and experiential manipulation of fear-related behavior in Japanese quail chicks (Coturnix coturnix japonica). J Comp Psychol 105 (1991) 15-24
130. Jones R.B., Satterlee D.G., and Ryder F.H. Fear and distress in Japanese quail chicks of two lines genetically selected for low or high adrenocortical response to immobilization stress. Horm Behav 6 (1992) 385-393
131. Rodenburg T.B., Buitenhuis A.J., Ask B., Uitdehaag K.A., Koene P., van der Poel J.J., et al. Heritability of feather pecking and open-field response of laying hens at two different ages. Poult Sci 82 (2003) 861-867
132. Buitenhuis A.J., Rodenburg T.B., Siwek M., Cornelissen J.J.B., Nieuwland M.G.B., Crooijmans R.P.M.A., et al. Identification of QTLs involved in open-field behavior in young and adult laying hens. Behav Genet 34 3 (2004) 325-333
133. Jones R.B. Fear responses of individually caged laying hens as a function of cage level and aisle. Appl Anim Behav Sci 14 (1985) 63-74
134. Jones R.B. Fearfulness of hens caged individually or in groups in different tiers of a battery and the effects of translocation between tiers. Br Poult Sci 26 (1985) 399-408
135. Barnett J.L., and Hemsworth P.H. Fear of humans by laying hens in different tiers of a battery: behavioural and physiological responses. Br Poult Sci 30 (1989) 497-502
136. Jones R.B., and Andrew R.J. Responses of adult domestic cocks and capons to novel and alarming stimuli. Behav Processes 26 (1992) 189-200
137. Jones R.B., Satterlee D.G., Moreau J., and Waddington D. Vitamin C supplementation and fear-reduction in Japanese quail: short-term cumulative effects. Br Poult Sci 37 (1996) 33-42
138. Jones R.B., Satterlee D.G., and Marks H.L. Fear-related behaviour in Japanese quail divergently selected for body weight. Appl Anim Behav Sci 52 (1997) 87-98
139. Sargent A.B., and Eberhardt L.E. Death feigning by ducks in response to predation by red foxes (Vulpes fulva). Am Midl Nat 94 1 (1975) 108-119
140. Thompson R.K.R., Foltin R.W., Boylan R.J., Sweet A., Graves C.A., and Lowitz C.E. Tonic immobility in Japanese quail can reduce the probability of sustained attack by cats. Anim Learn Behav 9 1 (1981) 145-149
141. Jones R.B., and Faure J.M. Sex and strain comparisons of tonic immobility ("righting time") in the domestic fowl and the effects of various methods of induction. Behav Processes 6 (1981) 47-55
142. Jones B. The tonic immobility reaction of the domestic fowl: a review. Worlds Poult Sci J 42 1 (1986) 82-96
143. Gallup Jr. G.G., Cummings W.H., and Nash R.F. The experimenter as an independent variable in studies of animal hypnosis in chickens (Gallus gallus). Anim Behav 20 (1972) 166-169
144. Jones R.B. Experimenter visibility, spectacles and tonic immobility in the domestic fowl. Appl Anim Behav Sci 22 (1989) 371-375
145. Bilĉik B., Keeling L.J., and Newberry R.C. Effect of group size on tonic immobility in laying hens. Behav Processes 43 (1988) 53-59
146. Jones R.B., and Faure J.M. Tonic immobility in the domestic fowl as a function of social rank. Biol Behav 7 (1982) 27-32
147. Jones R.B., and Faure J.M. The effects of regular handling on fear responses in the domestic chick. Behav Processes 6 (1981) 135-148
148. Jones R.B., and Waddington D. Attenuation of the domestic chick's fear of human beings via regular handling: in search of a sensitive period. Appl Anim Behav Sci 36 (1993) 185-195
149. Marin R.H., Freytes P., Guzman D., and Jones R.B. Effects of an acute stressor on fear and on the social reinstatement responses of domestic chicks to cagemates and strangers. Appl Anim Behav Sci 71 (2001) 57-66
150. Jones R.B. The nature of handling immediately prior to test affects tonic immobility fear reactions in laying hens and broilers. Appl Anim Behav Sci 34 (1992) 247-254
151. Satterlee D.G., Jones R.B., and Ryder F.H. Short-latency stressor effects on tonic immobility fear reactions of Japanese quail divergently selected for adrenocortical responsiveness to immobilization. Poult Sci 72 (1993) 1132-1136
152. Jones R.B., Mills A.D., Faure J.M., and Williams J.B. Restraint, fear, and distress in Japanese quail genetically selected for long or short tonic immobility reactions. Physiol Behav 56 (1994) 529-534
153. Jones R.B., and Satterlee D.G. Fear in aged quail divergently selected for adrenocortical responsiveness. In: Koene P., and Blokhuis H.J. (Eds). Proc. 5th european symposium on poultry welfare, WAU (1997), DLO, The Netherlands 161-162
154. Schütz K.E., Kerje S., Jacobsson L., Forkman B., Carlborg Ö., Andersson L., et al. Major growth QTLs in fowl are related to fearful behavior: possible genetic links between fear responses and production traits in a red junglefowl x white leghorn intercross. Behav Genet 34 1 (2004) 121-130
155. Schütz K., Forkman B., and Jensen P. Domestication effects on foraging strategy, social behaviour and different fear responses: a comparison between the red junglefowl (Gallus gallus) and a modern layer strain. Appl Anim Behav Sci 74 (2001) 1-14
156. Ratner S.C., and Thompson R.W. Immobility reactions (fear) of domestic fowl as a function of age and prior experience. Anim Behav 8 (1960) 181-191
157. Jones R.B., Satterlee D.G., and Cadd G.G. Timidity in Japanese quail: effects of vitamin C and divergent selection for adrenocortical response. Physiol Behav 67 (1999) 117-120
158. Seaman S.C., Davidson H.P.B., and Waran N.K. How reliable is temperament assessment in the domestic horse (Equus caballus)?. Appl Anim Behav Sci 78 (2002) 175-191
159. Wolff A., Hausberger M., and Le Scolan N. Experimental tests to assess emotionality in horses. Behav Processes 40 (1997) 209-221
160. Le Scolan N., Hausberger M., and Wolff A. Stability over situations in temperament traits of horses as revealed by experimental and scoring approach. Behav Processes 41 (1997) 209-221
161. Momozawaa Y., Onob T., Satoc F., Kikusuia T., Takeuchia Y., Moria Y., et al. Assessment of equine temperament by a questionnaire survey to caretakers and evaluation of its reliability by simultaneous behavior test. Appl Anim Behav Sci 84 (2003) 127-138
162. Visser E.K., van Reenen C.G., Rundgren M., Zatterqvist M., Morgan K., and Blokhuis H.J. Responses of horses in behavioural tests correlate with temperament assessed by riders. Equine Vet J 35 2 (2003) 176-183
163. Visser E.K., van Reenen C.G., van der Werf J.T.N., Schilder M.B.H., Knaap J.H., Barneveld A., et al. Heart rate and heart rate variability during a novel object test and a handling test in young horses. Physiol Behav 76 (2002) 289-296
164. Visser E.K., van Reenen C.G., Hopster H., Schilder M.B.H., Knaap J.H., Barneveld A., et al. Quantifying aspects of young horses' temperament: consistency of behavioural variables. Appl Anim Behav Sci 74 (2001) 241-258
165. Anderson M.K., Friend T.H., Evans J.W., and Bushong D.M. Behavioral assessment of horses in therapeutic riding programs. Appl Anim Behav Sci 63 (1999) 11-24
166. Jezierski T., Jaworski Z., and Gorecka A. Effects of handling on behaviour and heart rate in Konik horses: comparison of stable and forest reared youngstock. Appl Anim Behav Sci 62 (1999) 1-11
167. Mikkelsen J., and Lund J.D. Euthanasia of dogs because of behavioural problems. An epidemiological study on euthanasia of dogs in Denmark - with particular reference to aggression problems. Dan. Vet.tidsskr. 82 (1999) 474-479
168. Hydbring-Sandberg E., Winblad von Walter L., Höglund K., Svartberg K., Swenson L., and Forkman B. Physiological reactions to fear provocation in dogs. J Endocrinol 180 (2004) 439-448
169. Svartberg K., and Forkman B. Personality traits in the domestic dog (Canis familiaris). Appl Anim Behav Sci 79 (2002) 133-157
170. Svartberg K., Tapper I., Temrin H., Radesäter T., and Thorman S. Consistency of personality traits in dogs. Anim Behav 69 (2005) 283-291