| Records |
| Author |
Grandin, T. |
| Title |
Safe handling of large animals |
Type |
Journal Article |
| Year |
1999 |
Publication |
Occupational Medicine (Philadelphia, Pa.) |
Abbreviated Journal |
Occup Med |
| Volume |
14 |
Issue |
2 |
Pages  |
195-212 |
| Keywords |
Accidents, Occupational/*prevention & control/statistics & numerical data; Aggression/physiology/psychology; Animal Husbandry/*methods; Animals; *Behavior, Animal/physiology; Cattle; Conditioning, Operant/physiology; Crowding/psychology; Fear/physiology/psychology; Female; *Horses/physiology/psychology; Humans; Male; Movement/physiology; *Occupational Health; Risk Factors; *Ruminants/physiology/psychology |
| Abstract |
The major causes of accidents with cattle, horses, and other grazing animals are: panic due to fear, male dominance aggression, or the maternal aggression of a mother protecting her newborn. Danger is inherent when handling large animals. Understanding their behavior patterns improves safety, but working with animals will never be completely safe. Calm, quiet handling and non-slip flooring are beneficial. Rough handling and excessive use of electric prods increase chances of injury to both people and animals, because fearful animals may jump, kick, or rear. Training animals to voluntarily cooperate with veterinary procedures reduces stress and improves safety. Grazing animals have a herd instinct, and a lone, isolated animal can become agitated. Providing a companion animal helps keep an animal calm. |
| Address |
Department of Animal Science, Colorado State University, Fort Collins 80526, USA |
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English |
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| ISSN |
0885-114X |
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| Notes |
PMID:10329901 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3793 |
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| Author |
Barry, K.J.; Crowell-Davis, S.L. |
| Title |
Gender differences in the social behavior of the neutered indoor-only domestic cat |
Type |
Journal Article |
| Year |
1999 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
64 |
Issue |
3 |
Pages |
193-211 |
| Keywords |
Sex differences; Spatial distribution; Cat; Social; Aggression; Affiliation; Felis catus |
| Abstract |
The domestic cat exhibits a wide variety of social behavior. The aim of this experiment was to investigate factors which influence the affiliative and aggressive behavior of the indoor-only neutered domestic cat. Some 60 households comprised of either two males, two females or a male and female cat were observed. The cats were between 6 months and 8 years old, and were always restricted to the indoors. Each pair of housemates was observed for 10 h. There were no significant differences in affiliative or aggressive behavior based on cat gender. However, females were never observed to allorub other females. The male/male households did spend more time in close proximity. The amount of time the cats had lived together was negatively correlated with the amount of aggression observed during the study. Factors such as size of the house and weight difference between the cats did not correlate with the aggression rate. Large standard deviations and the correlations of social behavior between housemates indicated the importance of individual differences in behavior. |
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Equine Behaviour @ team @ |
Serial |
2267 |
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| Author |
Rogers, C.W.; Davies, A.S.; Pfeiffer, D.U.; Davie, P.S. |
| Title |
Linear and temporal stride characteristics of 3-day event horses at a CCI*** 3-day event horse inspection |
Type |
Journal Article |
| Year |
1999 |
Publication |
New Zealand Veterinary Journal |
Abbreviated Journal |
N Z Vet J |
| Volume |
47 |
Issue |
6 |
Pages |
193-197 |
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| Abstract |
AIMS: To quantify the linear and temporal characteristics of the trot of 3-day event horses during the preliminary horse inspection of an advanced grade CCI* 3-day event. METHODS: A cross sectional study was made of the kinematics of 24 3-day-event horses during the first horse inspection at a CCI* level S-day event. Video footage was digitised and linear and temporal measurements were made. RESULTS: The horses trotted for an average of 10.44+/-1.55 strides. Spatial measurements were made on an average of 5.66+/-0.92 consecutive strides when the horses were within the calibration zone. The horses increased and then obtained a constant velocity within the calibration zone. Trotting on the asphalt track did not alter the relationships between stride length, stride duration and velocity when compared with previously published values. Horse-specific differences in stance and retraction percentages were identified. CONCLUSION: Horse specific differences were identified that may contribute to each horse's unique gait or kinematic fingerprint. It is proposed that the initiation of, and completion of, stance by the hind limb first may represent engagement of the hind quarters and be a response to dressage training. |
| Address |
Equine Research, New Zealand |
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English |
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| ISSN |
0048-0169 |
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| Notes |
PMID:16032102 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3714 |
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| Author |
Lindberg, A.C.; Kelland, A.; Nicol, C.J. |
| Title |
Effects of observational learning on acquisition of an operant response in horses |
Type |
Journal Article |
| Year |
1999 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
61 |
Issue |
3 |
Pages |
187-199 |
| Keywords |
Horse; Observational learning; Stereotyped behaviour; Operant behaviour; Breed influence; Age influence |
| Abstract |
The effect of observational learning on the acquisition of an operant response was examined in eighteen riding horses and ponies. The test horses were randomly divided into three groups of six and individually exposed to one of three treatments. An additional horse was trained as a demonstrator, to perform the operant response. The observer horses watched either the demonstrator performing the bin-opening response (Group D+B); the demonstrator standing passively (Group D); or the operant bin in the absence of the demonstrator (Group B). Observers had access to and were free to interact with an identical bin during testing. Observers in Groups D+B and D were socially familiar with the demonstrator. Each test horse was tested once a day for 10 days. An ANOVA revealed no significant differences between treatment groups in the number of responses or the time taken to reach the learning criterion. However, there were highly significant differences between breed types, with non-warmbloods performing more bouts of opening the bin and feeding (p=0.02), feeding from the bin sooner (p=0.01) and reaching the criterion for learning sooner than warmbloods (p=0.05). There was also a significant negative linear relationship between horses' ages and time spent investigating the bin, with younger horses performing more investigative behaviour (y=-3.08x+106.86; p=0.02). |
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refbase @ user @ |
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562 |
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| Author |
Diekamp, B.; Prior, H.; Güntürkün, O. |
| Title |
Functional lateralization, interhemispheric transfer and position bias in serial reversal learning in pigeons (Columba livia) |
Type |
Journal Article |
| Year |
1999 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
2 |
Issue |
4 |
Pages |
187-196 |
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| Abstract |
In the present study we investigated lateralization of color reversal learning in pigeons. After monocular acquisition of a simple color discrimination with either the left or right eye, birds were tested in a serial reversal procedure. While there was only a slight and non-significant difference in choice accuracy during original color discrimination, a stable superiority of birds using the right eye emerged in serial reversals. Both groups showed a characteristic 'learning-to-learn' effect, but right-eyed subjects improved faster and reached a lower asymptotic error rate. Subsequent testing for interocular transfer demonstrated a difference between pre- and post-shift choice accuracy in pigeons switching from right to left eye but not vice versa. This can be accounted for by differences in maximum performance using either the left or right eye along with an equally efficient but incomplete interocular transfer in both directions. Detailed analysis of the birds' response patterns during serial reversals revealed a preference for the right of two response keys in both groups. This bias was most pronounced at the beginning of a session. It decreased within sessions, but became more pronounced in late reversals, thus indicating a successful strategy for mastering the serial reversal task. Interocular transfer of response patterns revealed an unexpected asymmetry. Birds switching from right to left eye continued to prefer the right side, whereas pigeons shifting from left to right eye were now biased towards the left side. The results suggest that lateralized performance during reversal learning in pigeons rests on a complex interplay of learning about individual stimuli, stimulus dimensions, and lateralized response strategies. |
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Equine Behaviour @ team @ |
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3223 |
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| Author |
Weed M.R.; Taffe M.A.; Polis I.; Roberts A.C.; Robbins T.W.; Koob G.F.; Bloom F.E.; Gold L.H. |
| Title |
Performance norms for a rhesus monkey neuropsychological testing battery: acquisition and long-term performance |
Type |
Journal Article |
| Year |
1999 |
Publication |
Cognitive Brain Research |
Abbreviated Journal |
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| Volume |
8 |
Issue |
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Pages |
185-201 |
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no |
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refbase @ user @ |
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3459 |
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| Author |
Á. Miklósi |
| Title |
The Evolution of Cognition |
Type |
Journal Article |
| Year |
1999 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
2 |
Issue |
3 |
Pages |
179-180 |
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Heyes, C.; Huber, L. |
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Equine Behaviour @ team @ |
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3247 |
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| Author |
Rendall, D. |
| Title |
Review of Machiavellian Intelligence II: Extensions and Evaluations |
Type |
Journal Article |
| Year |
1999 |
Publication |
Ethology |
Abbreviated Journal |
Ethology |
| Volume |
105 |
Issue |
2 |
Pages |
178-182 |
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Equine Behaviour @ team @ |
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3998 |
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Sovrano, V.A.; Rainoldi, C.; Bisazza, A.; Vallortigara, G. |
| Title |
Roots of brain specializations: preferential left-eye use during mirror-image inspection in six species of teleost fish |
Type |
Journal Article |
| Year |
1999 |
Publication |
Behavioural Brain Research |
Abbreviated Journal |
Behav. Brain. Res. |
| Volume |
106 |
Issue |
1-2 |
Pages |
175-180 |
| Keywords |
Predator fixation; Fish; Left-eye preference |
| Abstract |
It has recently been reported that predator inspection is more likely to occur when a companion (i.e. the mirror image of the test animal) is visible on the left rather than on the right side of mosquitofish Gambusia holbrooki. This very unexpected outcome could be consistent with the hypothesis of a preferential use of the right eye during sustained fixation of a predator as well as of a preferential use of the left eye during fixation of conspecifics. We measured the time spent in monocular viewing during inspection of their own mirror images in females of six species of fish, belonging to different families--G. holbrooki, Xenotoca eiseni, Phoxinus phoxinus, Pterophyllum scalare, Xenopoecilus sarasinorum, and Trichogaster trichopterus. Results revealed a consistent left-eye preference during sustained fixation in all of the five species. Males of G. holbrooki, which do not normally show any social behaviour, did not exhibit any eye preferences during mirror-image inspection. We found, however, that they could be induced to manifest a left-eye preference, likewise females, if tested soon after capture, when some affiliative tendencies can be observed. These findings add to current evidence in a variety of vertebrate species for preferential involvement of structures located in the right side of the brain in response to the viewing of conspecifics. |
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refbase @ user @ |
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614 |
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| Author |
Hare, B.; Tomasello, M. |
| Title |
Domestic Dogs (Canis familiaris) Use Human and Conspecific Social Cues to Locate Hidden Food |
Type |
Journal Article |
| Year |
1999 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J. Comp. Psychol. |
| Volume |
113 |
Issue |
2 |
Pages |
173-177 |
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| Abstract |
Ten domestic dogs (Canis familiaris) of different breeds and ages were exposed to 2 different social cues indicating the location of hidden food, each provided by both a human informant and a conspecific informant (for a total of 4 different social cues). For the local enhancement cue, the informant approached the location where food was hidden and then stayed beside it. For the gaze and point cue, the informant stood equidistant between 2 hiding locations and bodily oriented and gazed toward the 1 in which food was hidden (the human informant also pointed). Eight of the 10 subjects, including the one 6-month-old juvenile, were above chance with 2 or more cues. Results are discussed in terms of the phylogenetic and ontogenetic processes by means of which dogs come to use social cues to locate food. |
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