| Records |
| Author |
Oliva, J.L.; Rault, J.-L.; Appleton, B.; Lill, A. |
| Title |
Oxytocin enhances the appropriate use of human social cues by the domestic dog (Canis familiaris) in an object choice task |
Type |
Journal Article |
| Year |
2015 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
18 |
Issue |
3 |
Pages  |
767-775 |
| Keywords |
Cognition; Cues; Dog; Oxytocin; Social |
| Abstract |
It has been postulated that the neuropeptide, oxytocin, is involved in human–dog bonding. This may explain why dogs, compared to wolves, are such good performers on object choice tasks, which test their ability to attend to, and use, human social cues in order to find hidden food treats. The objective of this study was to investigate the effect of intranasal oxytocin administration, which is known to increase social cognition in humans, on domestic dogs’ ability to perform such a task. We hypothesised that dogs would perform better on the task after an intranasal treatment of oxytocin. Sixty-two (31 males and 31 females) pet dogs completed the experiment over two different testing sessions, 5–15 days apart. Intranasal oxytocin or a saline control was administered 45 min before each session. All dogs received both treatments in a pseudo-randomised, counterbalanced order. Data were collected as scores out of ten for each of the four blocks of trials in each session. Two blocks of trials were conducted using a momentary distal pointing cue and two using a gazing cue, given by the experimenter. Oxytocin enhanced performance using momentary distal pointing cues, and this enhanced level of performance was maintained over 5–15 days time in the absence of oxytocin. Oxytocin also decreased aversion to gazing cues, in that performance was below chance levels after saline administration but at chance levels after oxytocin administration. |
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Springer Berlin Heidelberg |
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English |
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1435-9448 |
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Equine Behaviour @ team @ |
Serial |
5887 |
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| Author |
Gehring, T.M.; VerCauteren, K.C.; Provost, M.L.; Cellar, A.C. |
| Title |
Utility of livestock-protection dogs for deterring wildlife from cattle farms |
Type |
Journal Article |
| Year |
2010 |
Publication |
Wildl. Res. |
Abbreviated Journal |
Wildl. Res. |
| Volume |
37 |
Issue |
8 |
Pages |
715-721 |
| Keywords |
bovine tuberculosis, coyote, grey wolf, livestock protection dog, mesopredators, white-tailed deer, wildlife damage management. |
| Abstract |
Context. Livestock producers worldwide are negatively affected by livestock losses because of predators and wildlife-transmitted diseases. In the western Great Lakes Region of the United States, this conflict has increased as grey wolf (Canis lupus) populations have recovered and white-tailed deer (Odocoileus virginianus) have served as a wildlife reservoir for bovine tuberculosis (Myobacterium bovis).Aims. We conducted field experiments on cattle farms to evaluate the effectiveness of livestock-protection dogs (LPDs) for excluding wolves, coyotes (C. latrans), white-tailed deer and mesopredators from livestock pastures.Methods. We integrated LPDs on six cattle farms (treatment) and monitored wildlife use with tracking swaths on these farms, concurrent with three control cattle farms during 2005-2008. The amount of time deer spent in livestock pastures was recorded using direct observation.Key results. Livestock pastures protected by LPDs had reduced use by these wildlife compared with control pastures not protected by LPDs. White-tailed deer spent less time in livestock pastures protected by LPDs compared with control pastures not protected by LPDs.Conclusions. Our research supports the theory that LPDs can be an effective management tool for reducing predation and disease transmission. We also demonstrate that LPDs are not limited to being used only with sheep and goats; they can also be used to protect cattle.Implications. On the basis of our findings, we support the use of LPDs as a proactive management tool that producers can implement to minimise the threat of livestock depredations and transmission of disease from wildlife to livestock. LPDs should be investigated further as a more general conservation tool for protecting valuable wildlife, such as ground-nesting birds, that use livestock pastures and are affected by predators that use these pastures. |
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Equine Behaviour @ team @ |
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6575 |
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| Author |
Straub, A. |
| Title |
An intelligent crow beats a lab |
Type |
Journal Article |
| Year |
2007 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
| Volume |
316 |
Issue |
5825 |
Pages |
688 |
| Keywords |
Animals; *Behavior, Animal; *Cognition; *Crows; Dogs; Intelligence; Memory |
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1095-9203 |
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| Notes |
PMID:17478698 |
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no |
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Equine Behaviour @ team @ |
Serial |
4102 |
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| Author |
Edman, J.D. |
| Title |
Host-feeding patterns of Florida mosquitoes. I. Aedes, Anopheles, Coquillettidia, Mansonia and Psorophora |
Type |
Journal Article |
| Year |
1971 |
Publication |
Journal of Medical Entomology |
Abbreviated Journal |
J Med Entomol |
| Volume |
8 |
Issue |
6 |
Pages |
687-695 |
| Keywords |
*Aedes; Animals; *Anopheles; Birds; Cats; Cattle; *Culicidae; Dogs; Ecology; *Feeding Behavior; Female; Florida; Horses; Humans; Swine |
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English |
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0022-2585 |
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| Notes |
PMID:4403447 |
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no |
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Equine Behaviour @ team @ |
Serial |
2722 |
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Milgram, N.W.; Head, E.; Muggenburg, B.; Holowachuk, D.; Murphey, H.; Estrada, J.; Ikeda-Douglas, C.J.; Zicker, S.C.; Cotman, C.W. |
| Title |
Landmark discrimination learning in the dog: effects of age, an antioxidant fortified food, and cognitive strategy |
Type |
Journal Article |
| Year |
2002 |
Publication |
Neuroscience and Biobehavioral Reviews |
Abbreviated Journal |
Neurosci Biobehav Rev |
| Volume |
26 |
Issue |
6 |
Pages |
679-695 |
| Keywords |
Age Factors; Aging/*physiology; Analysis of Variance; Animals; Antioxidants/*pharmacology; Blood Chemical Analysis/methods; Cognition/*physiology; *Diet; Discrimination Learning/*drug effects/*physiology; Distance Perception/drug effects/physiology; Dogs/physiology; Female; Male; Psychomotor Performance/physiology; Retention (Psychology)/drug effects/physiology; Spatial Behavior/*drug effects/*physiology; Task Performance and Analysis; Time Factors; Vitamin E/blood |
| Abstract |
The landmark discrimination learning test can be used to assess the ability to utilize allocentric spatial information to locate targets. The present experiments examined the role of various factors on performance of a landmark discrimination learning task in beagle dogs. Experiments 1 and 2 looked at the effects of age and food composition. Experiments 3 and 4 were aimed at characterizing the cognitive strategies used in performance on this task and in long-term retention. Cognitively equivalent groups of old and young dogs were placed into either a test group maintained on food enriched with a broad-spectrum of antioxidants and mitochondrial cofactors, or a control group maintained on a complete and balanced food formulated for adult dogs. Following a wash-in period, the dogs were tested on a series of problems, in which reward was obtained when the animal responded selectively to the object closest to a thin wooden block, which served as a landmark. In Experiment 1, dogs were first trained to respond to a landmark placed directly on top of coaster, landmark 0 (L0). In the next phase of testing, the landmark was moved at successively greater distances (1, 4 or 10 cm) away from the reward object. Learning varied as a function of age group, food group, and task. The young dogs learned all of the tasks more quickly than the old dogs. The aged dogs on the enriched food learned L0 significantly more rapidly than aged dogs on control food. A higher proportion of dogs on the enriched food learned the task, when the distance was increased to 1cm. Experiment 2 showed that accuracy decreased with increased distance between the reward object and landmark, and this effect was greater in old animals. Experiment 3 showed stability of performance, despite using a novel landmark, and new locations, indicating that dogs learned the landmark concept. Experiment 4 found age impaired long-term retention of the landmark task. These results indicate that allocentric spatial learning is impaired in an age-dependent manner in dogs, and that age also affects performance when the distance between the landmark and target is increased. In addition, these results both support a role of oxidative damage in the development of age-associated cognitive dysfunction and indicate that short-term administration of a food enriched with supplemental antioxidants and mitochondrial cofactors can partially reverse the deleterious effects of aging on cognition. |
| Address |
Life Science Division, University of Toronto at Scarborough, 1265 Military Trail, Scarborough, Ont., Canada M1C 1A4. milgram@psych.utoronto.ca |
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English |
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0149-7634 |
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| Notes |
PMID:12479842 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2806 |
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| Author |
Landsberg, G.; Araujo, J.A. |
| Title |
Behavior problems in geriatric pets |
Type |
Journal Article |
| Year |
2005 |
Publication |
The Veterinary Clinics of North America. Small Animal Practice |
Abbreviated Journal |
Vet Clin North Am Small Anim Pract |
| Volume |
35 |
Issue |
3 |
Pages |
675-698 |
| Keywords |
Aging/*pathology/physiology/*psychology; Animals; *Behavior, Animal; Cats/*physiology/psychology; Cognition/physiology; Diagnosis, Differential; Dogs/*physiology/psychology; Preventive Medicine |
| Abstract |
Aging pets often suffer a decline in cognitive function (eg, memory,learning, perception, awareness) likely associated with age-dependent brain alterations. Clinically, cognitive dysfunction may result in various behavioral signs, including disorientation; forgetting of previously learned behaviors, such as house training; alterations in the manner in which the pet interacts with people or other pets;onset of new fears and anxiety; decreased recognition of people, places, or pets; and other signs of deteriorating memory and learning ability. Many medical problems, including other forms of brain pathologic conditions, can contribute to these signs. The practitioner must first determine the cause of the behavioral signs and then determine an appropriate course of treatment, bearing in mind the constraints of the aging process. A diagnosis of cognitive dysfunction syndrome is made once other medical and behavioral causes are ruled out. |
| Address |
Doncaster Animal Clinic, 99 Henderson Avenue, Thornhill, Ontario L3T2K9, Canada. gmlandvm@aol.com |
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English |
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0195-5616 |
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| Notes |
PMID:15833565 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2855 |
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| Author |
Hoogstraal, H.; Mitchell, R.M. |
| Title |
Haemaphysalis (Alloceraea) aponommoides Warburton (Ixodoidea: Ixodidae), description of immature stages, hosts, distribution, and ecology in India, Nepal, Sikkim, and China |
Type |
Journal Article |
| Year |
1971 |
Publication |
The Journal of Parasitology |
Abbreviated Journal |
J Parasitol |
| Volume |
57 |
Issue |
3 |
Pages |
635-645 |
| Keywords |
Altitude; Animals; Artiodactyla; Birds; Buffaloes; Carnivora; Cattle; China; Deer; Dogs; Ecology; Female; Goats; Horses; Humans; India; Insectivora; Larva/anatomy & histology; Male; Mice; Nepal; Rats; Rodentia; Sciuridae; Seasons; Sheep; Tick Infestations/*epidemiology; Ticks/*anatomy & histology/growth & development |
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0022-3395 |
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| Notes |
PMID:5090972 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2730 |
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| Author |
Manning, G.S.; Ratanarat, C. |
| Title |
Fasciolopsis buski (Lankester, 1857) in Thailand |
Type |
Journal Article |
| Year |
1970 |
Publication |
The American Journal of Tropical Medicine and Hygiene |
Abbreviated Journal |
Am J Trop Med Hyg |
| Volume |
19 |
Issue |
4 |
Pages |
613-619 |
| Keywords |
Adolescent; Adult; Aged; Animals; Buffaloes; Cattle; Child; Child, Preschool; *Disease Reservoirs; Dogs; Ecology; *Fasciolidae; Feces; Female; Health Surveys; Horses; Humans; Infant; Infant, Newborn; Male; Middle Aged; *Plants, Edible; Sex Factors; *Snails; Swine; Thailand; Trematode Infections/*epidemiology |
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English |
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0002-9637 |
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| Notes |
PMID:5425498 |
Approved |
no |
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Equine Behaviour @ team @ |
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2734 |
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Christensen, H.A.; Herrer, A. |
| Title |
Attractiveness of sentinel animals to vectors of leishmaniasis in Panama |
Type |
Journal Article |
| Year |
1973 |
Publication |
The American Journal of Tropical Medicine and Hygiene |
Abbreviated Journal |
Am J Trop Med Hyg |
| Volume |
22 |
Issue |
5 |
Pages |
578-584 |
| Keywords |
Animals; Cricetinae; Dogs; Ecology; Horses; *Insect Vectors; Leishmania/isolation & purification; Leishmaniasis, Mucocutaneous/*etiology; Male; Panama; *Phlebotomus; Rats |
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0002-9637 |
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| Notes |
PMID:4729738 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2712 |
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| Author |
Shier, D.M.; Owings, D.H. |
| Title |
Effects of social learning on predator training and postrelease survival in juvenile black-tailed prairie dogs, Cynomys ludovicianus |
Type |
Journal Article |
| Year |
2007 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
73 |
Issue |
4 |
Pages |
567-577 |
| Keywords |
antipredator behaviour; black-tailed prairie dog; Cynomys ludovicianus; postrelease survival; predator avoidance; social learning |
| Abstract |
We examined how social context and experience affected development of antipredator behaviour and subsequent postrelease survival in the black-tailed prairie dog. Captive-reared juveniles were initially exposed to four stimulus animals: a ferret, a rattlesnake, a hawk and a cottontail control (pretraining tests). Subjects were then trained with or without an adult female demonstrator. Training involved exposure to each stimulus animal two to three times over 5 weeks. After training, each juvenile was retested with each stimulus animal (post-training tests). During pretraining tests, juveniles responded differentially to the stimulus animals. They were least active with the snake, fled the most in tests with the hawk, and were less vigilant with the ferret than with the snake. Following training, juveniles trained with experienced adults were more wary with all three predators than juveniles trained without an experienced adult present. We then compared the antipredator behaviour of captive-reared juveniles trained with experienced adult females with that of wild-reared juveniles of the same age. For all behavioural measures except shelter use, wild-experienced animals differentiated more strongly among predator types than did captive-trained juveniles. One year after reintroduction, survivorship of juveniles trained with experienced adults was higher than that of juveniles trained without experienced adults, but did not differ from that of wild-reared juveniles. These findings provide the first evidence that social transmission of antipredator behaviour during training can enhance long-term survival following release and that as long as a social training regime is used, predator avoidance training can emulate experience acquired in the wild. |
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Equine Behaviour @ team @ |
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4212 |
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