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Risk factors for dog bites to owners in a general veterinary caseload
Contributor(s):: Guy, N. C., Luescher, U. A., Dohoo, S. E., Spangler, E., Miller, J. B., Dohoo, I. R., Bate, L. A.
A detailed telephone survey of dog owners was undertaken in 1996 to determine the risk factors for biting behaviour of dogs in a household setting. Individuals were selected from a cross-sectional population of veterinary clientele in the Canadian provinces of New Brunswick, Nova Scotia, and...
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Sex and type of feed effects on motivation and ability to walk for a food reward in fast growing broilers
Contributor(s):: Bokkers, E. A. M., Koene, P.
Housing conditions, body weight, leg problems and pain influence behaviour of broilers. Apart from the physical ability, little is known about the motivation to perform behaviour. The distinction between motivation and ability is relevant as a lack of motivation has consequences for the...
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Social interactions among captive brushtail possums ( Trichosurus vulpecula )
Contributor(s):: Day, T. D., O'Connor, C. E., Waas, J. R., Matthews, L. R.
A biological control strategy relying on a self-disseminating agent may provide the only affordable long-term technique for reducing brushtail possum (T. vulpecula) numbers throughout New Zealand. The objective of this study was to determine the frequency and patterns of social interactions in...
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Suckling and allosuckling in river buffalo calves and its relation with weight gain
Contributor(s):: Costa, M. J. R. P. da, Andriolo, A., Oliveira, J. F. S. de, Schmidek, W. R.
The aim of this study was to investigate if river buffalo calves (Bubalus bubalis) have equal access to all cows and if milk is thus equally available to all of them. Suckling/allosuckling behaviour and weight gain (WG) of 29 calves (14 males and 15 females) was recorded with special...
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Are women's dogs less stressed and healthier than men's dogs? An investigation in the waiting room of a veterinary hospital
Contributor(s):: Boere, V., Scalon, M. C., Wiedemann, G. G. S.
Dogs are able of discriminate several human behaviors, behaving of corresponding way. Some studies showed that the dogs possess propensities to be more sociable and less stressed when manipulated by women regarding the dogs manipulated by men. We investigated in this study if the dogs accompanied...
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Shelter choice by Syrian hamsters (Mesocricetus auratus) in the laboratory
Contributor(s):: Veillette, M., Reebs, S. G.
The preference of Syrian hamsters (Mesocricetus auratus) for different in-cage shelters was tested. First, 15 males and 15 females were made to choose between a cage with a shelter and one without. Different shelters were tested consecutively: short (10-cm) or medium (15-cm) pipes made of black...
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Cortisol concentrations in saliva of humans and their dogs during intensive training courses in animal-assisted therapy
Contributor(s):: Haubenhofer, D., Mostl, E., Kirchengast, S.
This study was conducted to investigate the levels of disturbances that affected dog owners and their dogs while attending a 5 day training course of the Animals as Therapy in Vienna, Austria to become therapeutic teams in animal-assisted therapy. Cortisol samples were taken from 32 humans and...
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Dog-human and dog-dog interactions of 260 dog-owning households in a community in Cheshire
Contributor(s):: Westgarth, C., Pinchbeck, G. L., Bradshaw, J. W. S., Dawson, S., Gaskell, R. M., Christley, R. M.
This study investigated the nature and frequency of the contacts that occur between dogs, and between dogs and people, by means of a questionnaire survey of 260 dog-owning households in a community in Cheshire, UK. The contacts were highly variable and were affected by the size, sex and age of...
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Characterization of interaction between owner and dog treated at the veterinary hospital of Federal University of Uberlandia
Contributor(s):: Santana, J. A., Castro, I. P. de, Almeida, L. P. de
Increasing urbanization has increased the proximity of people with dogs. An inappropriate interaction between them can be the cause of several behavioral disorders such as aggression and depression by both the man and the animal. Thus, we proposed to conduct a survey to assess the management and...
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Hereditary differences in trainability of purebred dogs
Contributor(s):: Fuller, J. L.
Dogs of 5 pure breeds and one cross (in all, 71 [male][male] and 71 [female][female]) were given two 5-day periods of training in walking on a lead beside a handler. In order of trainability the breeds were: Wire-haired Terrier, Cocker Spaniel, Beagle, Basenji x Cocker Spaniel, Shetland Sheep Dog...
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National survey of owner-directed aggression in English Springer Spaniels
Contributor(s):: Reisner, I. R., Houpt, K. A., Shofer, F. S.
Among purebred dogs, English Springer Spaniels are most frequently referred to behaviorists for aggression directed to owners. In a national survey of 1,053 owners of English Springer Spaniels, 26% reported their dogs had bitten a human, which in 65% of instances was a family member or other...
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Aggressive behavior of dogs kept as companion animals: classification and influence of sex, reproductive status and breed
Contributor(s):: Borchelt, P. L.
Data were obtained on 245 cases of aggressive behaviour in dogs of 55 breeds. Aggression involved barking, growling and biting. For each case, the dog was observed at its home for 2-3 h. Eight major types of aggression were observed: aggression related to fear, dominance, possessiveness,...
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Factors which influence parturition in the mare and development of the foal
Contributor(s):: Campitelli, S., Carenzi, C., Verga, M.
127 foals born to 127 mares were studied. Mares aged 5, 6-11 and 12 yr gave birth to foals with birth weights of 42.65+or-6.175, 51.07+or-7.031 and 46.05+or-8.816 kg resp. and foetal membrane weights of 5.45+or-1.000, 6.27+or-1.191 and 6.37+or-1.104 kg; differences between age groups were...
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A friend or an enemy? Dogs' reaction to an unfamiliar person showing behavioural cues of threat and friendliness at different times
Contributor(s):: Vas, J., Topal, J., Gacsi, M., Miklosi, A., Csanyi, V.
Responsiveness of adult pet dogs (Canis familiaris) to an unfamiliar human was observed in two studies. Subjects were faced with an approaching woman (Stranger) who showed definite signs of friendliness and threat during alternate approaches. Observations consisted of two episodes: the Stranger...
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Behaviour test for eight-week old puppies - heritabilities of tested behaviour traits and its correspondence to later behaviour
Contributor(s):: Wilsson, E., Sundgren, P. E.
Play and exploratory behaviour, and behaviour when isolated (total of 10 tests) was tested in 630 German Shepherd puppies at 8 weeks of age. All dogs were also tested at 450-600 days of age using to regimen for selection of service dogs. Significant sex differences were found in 4 of the 10 puppy...
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Effects of castration on fear reactions of male sheep
Contributor(s):: Vandenheede, M., Bouissou, M. F.
The reactions of 10 rams and 10 wethers (castrated at 3 months of age) were measured under situations reported to induce fear in sheep. The tests were carried out at 14 months of age and involved isolation from conspecifics, surprise effect, and presence of a human. Fearfulness scores were...
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Effects of pre-weaning exposure to a maze on stress responses in pigs at weaning and on subsequent performance in spatial and fear-related tests.
| Contributor(s):: Siegford, J. M., Rucker, G., Zanella, A. J.
Learning, memory and regulation of the stress response are mediated by the hippocampus. Biologically relevant hippocampal-dependent tasks that develop and integrate cognitive processing of this region may not be available to piglets in some current production systems. Additionally, weaning...
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Effects of short- and long-term changes in spatial density on the social behaviour of captive chimpanzees (Pan troglodytes)
| Contributor(s):: Videan, E. N., Fritz, J.
The constraints of captivity may often require non-human primates to experience restrictions in space for both long- and short-term periods of time. The tension-reduction model predicts that great apes should increase affiliative behaviours and decrease aggressive behaviours as a coping...
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Effects of sire breed-grazing system and environmental parameters on the behaviour of beef calves just after birth
| Contributor(s):: Ribeiro, A. R. B., Alencar, M. M. de, Costa, M. J. R. P. da, Negrao, J. A.
Effects of sire breed-grazing system and environmental factors on the first activities of high grade Nellore and crossbred Canchim x Nellore, Angus x Nellore, and Simmental x Nellore calves raised in intensive production systems and high grade Nellore calves raised in an extensive production...
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Effects of weight, litter size and parity of mother on the behaviour of the puppy and the adult dog
| Contributor(s):: Wilsson, E., Sundgren, P. E.
During 1978-83, behaviour tests were carried out on 867 German Shepherd puppies at 8 weeks of age and again at 450-600 days of age. Body weight was recorded every 10 days to 50 days of age. Litter size and parity of the dam were also recorded. Puppy weight decreased with increasing litter size (r...
