| Records |
| Author |
Iwuala, M.O.; Okpala, I. |
| Title |
Studies on the ectoparasitic fauna of Nigerian livestock I: Types and distribution patterns on hosts' |
Type |
Journal Article |
| Year |
1978 |
Publication  |
Bulletin of Animal Health and Production in Africa. Bulletin des Sante et Production Animales en Afrique |
Abbreviated Journal |
Bull Anim Health Prod Afr |
| Volume |
26 |
Issue |
4 |
Pages |
339-350 |
| Keywords |
Animal Diseases/*epidemiology; Animals; Cattle; Dogs; Ecology; Ectoparasitic Infestations/epidemiology/*veterinary; Goats; Horses; Nigeria; Sheep; Swine |
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English |
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| ISSN |
0378-9721 |
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| Notes |
PMID:756758 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2696 |
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| Author |
Gonzalez-Fernandez, J.M.; Atta, S.E. |
| Title |
Facilitated transport of oxygen in the presence of membranes in the diffusion path |
Type |
Journal Article |
| Year |
1982 |
Publication |
Biophysical Journal |
Abbreviated Journal |
Biophys J |
| Volume |
38 |
Issue |
2 |
Pages |
133-141 |
| Keywords |
Animals; Biological Transport, Active; Cell Membrane/*metabolism; Diffusion; Dogs; Horses; Humans; Kinetics; Mathematics; *Models, Biological; Muscles/*metabolism; Oxygen/*metabolism |
| Abstract |
Most of the experimental observations on facilitated transport have been done with millipore filters, and all the theoretical studies have assumed homogeneous spatial properties. In striated muscle there exist membranes that may impede the diffusion of the carrier myoglobin. In this paper a theoretical study is undertaken to analyze the transport in the presence of membranes in the diffusion path. For the numerical computations physiologically relevant values of the parameters were chosen. The numerical results indicate that the presence of membranes tends to decrease the facilitation. For the nonlinear chemical kinetics of the reaction of oxygen with the carrier, this decrement also depends on the location of the membranes. At the higher oxygen concentration side of each membrane the flow of combined oxygen is transferred to the flow of dissolved oxygen. The reverse process occurs at the lower concentration side. Jump discontinuities of the concentration of the oxygen-carrier compound at each membrane are associated with these transfers. The decrement of facilitation is due to the cumulative effect of these jump discontinuities. |
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English |
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| ISSN |
0006-3495 |
ISBN |
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| Notes |
PMID:7093418 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3806 |
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| Author |
Morton, D.B. |
| Title |
Self-consciousness and animal suffering |
Type |
Journal Article |
| Year |
2000 |
Publication |
Biologist (London, England) |
Abbreviated Journal |
Biologist (London) |
| Volume |
47 |
Issue |
2 |
Pages |
77-80 |
| Keywords |
Animal Population Groups/*psychology; Animal Welfare/*standards; Animals; Behavior, Animal; *Consciousness; Dogs; *Ego; Horses/psychology; Pain/psychology/*veterinary; Pan troglodytes/psychology; Parrots; Pongo pygmaeus/psychology; Self Concept |
| Abstract |
Animals with relatively highly developed brains are likely to experience some degree of self-awareness and the ability to think. As well as being interesting in its own right, self-consciousness matters from an ethical point of view, since it can give rise to forms of suffering above and beyond the immediate physical sensations of pain or distress. This article surveys the evidence for animal self-consciousness and its implications for animal welfare. |
| Address |
Division of Primary Care, Public and Occupational Health, School of Medicine, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK. d.b.morton@bham.ac.uk |
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English |
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Edition |
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| ISSN |
0006-3347 |
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| Notes |
PMID:11190233 |
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no |
| Call Number |
refbase @ user @ |
Serial |
618 |
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| Author |
Saigo, S. |
| Title |
Kinetic and equilibrium studies of alkaline isomerization of vertebrate cytochromes c |
Type |
Journal Article |
| Year |
1981 |
Publication |
Biochimica et Biophysica Acta |
Abbreviated Journal |
Biochim Biophys Acta |
| Volume |
669 |
Issue |
1 |
Pages |
13-20 |
| Keywords |
Amino Acid Sequence; Animals; Cytochrome c Group/*metabolism; Dogs; Hydrogen-Ion Concentration; Isomerism; Kinetics; Vertebrates/metabolism |
| Abstract |
Equilibria and kinetics of alkaline isomerization of seven ferricytochromes c from vertebrates were studied by pH-titration and pH-jump methods in the pH region of 7-12. In the equilibrium behavior, no significant difference was detected among the cytochromes c, whereas marked differences in the kinetic behavior were observed. According to the kinetic behavior of the isomerization, the cytochromes c examined fall into three classes: Group I (horse, sheep, dog and pigeon cytochromes c), Group II (tuna and bonito cytochromes c) and Group III (rhesus monkey cytochrome c). The kinetic results are interpreted in terms of the sequential scheme: Neutral form in equilibrium with fast Transient form in equilibrium with slow Alkaline form where the neutral and alkaline forms are the species stable at neutral and alkaline pH, respectively, and the transient form is a kinetic intermediate. From comparison of the primary sequences of the seven cytochromes c and the classification of these cytochromes c, it is concluded that the amino acid substitution Phe/Tyr at the 46-th position has a major influence on the kinetic behavior. In Group II and III cytochromes c, the ionization of Tyr-46 is suggested to bring about loosening of the heme crevice and thus facilitate the ligand replacement involved in the isomerization. |
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English |
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0006-3002 |
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| Notes |
PMID:6271238 |
Approved |
no |
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refbase @ user @ |
Serial |
3871 |
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| Author |
Meyer, W.; Pakur, M. |
| Title |
[Remarks on the domestic dog as an object of instruction for the education of the developing child] |
Type |
Journal Article |
| Year |
1999 |
Publication |
Berliner und Munchener Tierarztliche Wochenschrift |
Abbreviated Journal |
Berl Munch Tierarztl Wochenschr |
| Volume |
112 |
Issue |
4 |
Pages |
131-138 |
| Keywords |
Animals; Animals, Domestic; *Bonding, Human-Pet; Character; Child; *Child Development; Child, Preschool; Cognition; *Dogs; Emotions; Empathy; Humans |
| Abstract |
Based on an intensive analysis of literature, the study summarizes problems involved in the significance of domesticated dogs as objects of instruction and assistants of the education of children. Several important topics are discussed in view of advances for children in families keeping dogs. Such topics are mainly related to a general socio-emotional level, the support of cognitive development and character formation. Further aspects are the acquisition of a sense of responsibility, and the development of self-confidence, a sense of social membership and security, as well as important attributes of character such as frankness, broad mindedness, and sympathetic understanding. Moreover, knowledge about the life cycle and functions of body organs can be conveyed, and the dog could, at least in part, substitute for brothers and sisters. Basically, positive attitudes towards animals in general, as well as nature and environment are supported. All topics are critically commented and considered to be realistic or not. The supporting role of parents, in particular, is emphasized. Parental commitment should include deep concern with the typical attributes of the dog breed desired, and optimal dog keeping conditions to prevent harm to the children. The final commentary lays special emphasis on negative features of domestication for a pet owner, and cautions against non-biological and illusionary ideas about domesticated animals. |
| Address |
Anatomisches Institut der Tierakztlichen Hochschule Hannover |
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German |
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Original Title |
Bemerkungen zum Haushund als Lehrobjekt und Erziehungshilfe fur das sich entwickelnde Kind |
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Edition |
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| ISSN |
0005-9366 |
ISBN |
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| Notes |
PMID:10337055 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4155 |
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| Author |
Daniels, T.J.; Bekoff, M. |
| Title |
Feralization: The making of wild domestic animals |
Type |
Journal Article |
| Year |
1989 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
19 |
Issue |
1-3 |
Pages |
79-94 |
| Keywords |
feralization; domestication; feral dogs |
| Abstract |
The widely accepted viewpoint that feralization is the reverse of domestication requires that the feralization process be restricted to populations of animals and, therefore, cannot occur in individuals. An alternative, ontogenetic approach is presented in which feralization is defined as the process by which individual domestic animals either become desocialized from humans, or never become socialized, and thus behave as untamed, non-domestic animals. Feralization will vary among species and, intraspecifically, will depend upon an individual's age and history of socialization to humans. Because feralization is not equated with morphological change resulting from evolutionary processes, species formation is not an accurate indicator of feral condition. |
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Cited By (since 1996): 5; Export Date: 24 October 2008 |
Approved |
no |
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Admin @ knut @ |
Serial |
4580 |
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| Author |
Reid, P.J. |
| Title |
Adapting to the human world: Dogs' responsiveness to our social cues |
Type |
Journal Article |
| Year |
2009 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
80 |
Issue |
3 |
Pages |
325-333 |
| Keywords |
Domestic dog; Social cognition; Communicative gestures |
| Abstract |
Dogs are more skilful than a host of other species at tasks which require they respond to human communicative gestures in order to locate hidden food. Four basic interpretations for this proficiency surface from distilling the research findings. One possibility is that dogs simply have more opportunity than other species to learn to be responsive to human social cues. A different analysis suggests that the domestication process provided an opening for dogs to apply general cognitive problem-solving skills to a novel social niche. Some researchers go beyond this account and propose that dogs' co-evolution with humans equipped them with a theory of mind for social exchanges. Finally, a more prudent approach suggests that sensitivity to the behaviours of both humans and conspecifics would be particularly advantageous for a social scavenger like the dog. A predisposition to attend to human actions allows for rapid early learning of the association between gestures and the availability of food. |
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0376-6357 |
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Approved |
no |
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Equine Behaviour @ team @ |
Serial |
4755 |
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| Author |
Kotrschal, K.; Schöberl, I.; Bauer, B.; Thibeaut, A.-M.; Wedl, M. |
| Title |
Dyadic relationships and operational performance of male and female owners and their male dogs |
Type |
Journal Article |
| Year |
2009 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
81 |
Issue |
3 |
Pages |
383-391 |
| Keywords |
Dyadic interactions; Human-animal companions; Human-animal relationships; Human-dog dyads; Personality; Social stress |
| Abstract |
In the paper we investigate how owner personality, attitude and gender influence dog behavior, dyadic practical functionality and the level of dog salivary cortisol. In three meetings, 12 female and 10 male owners of male dogs answered questionnaires including the Neo-FFI human personality inventory. Their dyadic behavior was video-taped in a number of test situations, and saliva samples were collected. Owners who scored highly in neuroticism (Neo-FFI dimension one) viewed their dogs as social supporters and spent much time with them. Their dogs had low baseline cortisol levels, but such dyads were less successful in the operational task. Owners who scored highly in extroversion (Neo-FFI dimension two) appreciated shared activities with their dogs which had relatively high baseline cortisol values. Dogs that had female owners were less sociable-active (dog personality axis 1) than dogs that had male owners. Therefore, it appears that owner gender and personality influences dyadic interaction style, dog behavior and dyadic practical functionality. |
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0376-6357 |
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no |
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Equine Behaviour @ team @ |
Serial |
4947 |
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| Author |
Virányi, Z.; Topál, J.; Gácsi, M.; Miklósi, Á.; Csányi, V. |
| Title |
Dogs respond appropriately to cues of humans' attentional focus |
Type |
Journal Article |
| Year |
2004 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
66 |
Issue |
2 |
Pages |
161-172 |
| Keywords |
Animals; *Attention; Bonding, Human-Pet; Communication; *Cues; Dogs; Humans; Recognition (Psychology) |
| Abstract |
Dogs' ability to recognise cues of human visual attention was studied in different experiments. Study 1 was designed to test the dogs' responsiveness to their owner's tape-recorded verbal commands (Down!) while the Instructor (who was the owner of the dog) was facing either the dog or a human partner or none of them, or was visually separated from the dog. Results show that dogs were more ready to follow the command if the Instructor attended them during instruction compared to situations when the Instructor faced the human partner or was out of sight of the dog. Importantly, however, dogs showed intermediate performance when the Instructor was orienting into 'empty space' during the re-played verbal commands. This suggests that dogs are able to differentiate the focus of human attention. In Study 2 the same dogs were offered the possibility to beg for food from two unfamiliar humans whose visual attention (i.e. facing the dog or turning away) was systematically varied. The dogs' preference for choosing the attentive person shows that dogs are capable of using visual cues of attention to evaluate the human actors' responsiveness to solicit food-sharing. The dogs' ability to understand the communicatory nature of the situations is discussed in terms of their social cognitive skills and unique evolutionary history. |
| Address |
Department of Ethology, Eotvos Lorand University, Budapest, Hungary. zsofi.viranyi@freemail.hu |
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English |
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0376-6357 |
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| Notes |
PMID:15110918 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4957 |
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| Author |
Siniscalchi, M.; Sasso, R.; Pepe, A.M.; Vallortigara, G.; Quaranta, A. |
| Title |
Dogs turn left to emotional stimuli |
Type |
Journal Article |
| Year |
2010 |
Publication |
Behavioural Brain Research |
Abbreviated Journal |
Behav. Brain. Res. |
| Volume |
208 |
Issue |
2 |
Pages |
516-521 |
| Keywords |
Dog; Laterality; Vision; Behaviour; Physiology; Cognition; Emotion; Animal welfare |
| Abstract |
During feeding behaviour, dogs were suddenly presented with 2D stimuli depicting the silhouette of a dog, a cat or a snake simultaneously into the left and right visual hemifields. A bias to turn the head towards the left rather than the right side was observed with the cat and snake stimulus but not with the dog stimulus. Latencies to react following stimulus presentation were lower for left than for right head turning, whereas times needed to resume feeding behaviour were higher after left rather than after right head turning. When stimuli were presented only to the left or right visual hemifields, dogs proved to be more responsive to left side presentation, irrespective of the type of stimulus. However, cat and snake stimuli produced shorter latencies to react and longer times to resume feeding following left rather than right monocular visual hemifield presentation. Results demonstrate striking lateralization in dogs, with the right side of the brain more responsive to threatening and alarming stimuli. Possible implications for animal welfare are discussed. |
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0166-4328 |
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no |
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Equine Behaviour @ team @ |
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5080 |
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