| Records |
Author  |
Langbein, J.; Nurnberg, G.; Puppe, B.; Manteuffel, G. |
| Title |
Self-Controlled Visual Discrimination Learning of Group-Housed Dwarf Goats (Capra hircus): Behavioral Strategies and Effects of Relocation on Learning and Memory |
Type |
Journal Article |
| Year |
2006 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J. Comp. Psychol. |
| Volume |
120 |
Issue |
1 |
Pages |
58-66 |
| Keywords |
dwarf goats; visual discrimination; operant learning; learning strategies; context |
| Abstract |
In most studies on animal learning, individual animals are tested separately in a specific learning environment and with a limited number of trials per day. An alternative approach is to test animals in a familiar environment in their social group. In this study, the authors--applying a fully automated learning device--investigated voluntary, self-controlled visual shape discrimination learning of group-housed dwarf goats (Capra hircus). The majority of the tested goats showed successful shape discrimination, which indicates the adaptive value of an effective learning strategy. However, in each group, a few individual goats developed behavioral strategies different from shape discrimination to get reward. Relocation impairs memory retrieval (probably by attention shifting) only temporarily for previously learnt shapes. The results demonstrate the usefulness of a self-controlled learning paradigm to assess learning abilities of social species in their normal social settings. This may be especially relevant for captive animals to improve their welfare. |
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2140 |
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Kobayashi, K.; Jackowiak, H.; Frackowiak, H.; Yoshimura, K.; Kumakura, M.; Kobayashi, K. |
| Title |
Comparative morphological study on the tongue and lingual papillae of horses (Perissodactyla) and selected ruminantia (Artiodactyla) |
Type |
Journal Article |
| Year |
2005 |
Publication |
Italian Journal of Anatomy and Embryology = Archivio Italiano di Anatomia ed Embriologia |
Abbreviated Journal |
Ital J Anat Embryol |
| Volume |
110 |
Issue |
2 Suppl 1 |
Pages |
55-63 |
| Keywords |
Animals; Artiodactyla/*anatomy & histology/physiology; Cattle; Connective Tissue/physiology/ultrastructure; Feeding Behavior/physiology; Goats/anatomy & histology/physiology; Horses/anatomy & histology/physiology; Mastication/physiology; Microscopy, Electron, Scanning; Perissodactyla/*anatomy & histology/physiology; Tongue/physiology/*ultrastructure |
| Abstract |
A common characteristic of horses, Rocky Mountain goats, and cattle is that they all have a well developed lingual prominence on the dorsal surface of the posterior area of the tongue. Foliate papillae were found in the horse studied but not in the goat or in cattle. The horse filiform papillae had a long and slender external form with a thin and slender CTC, while in the goat and cattle the external form consisted of a large thick main process and the CTC consisted of a bundle of numerous rod-shaped protrusions. The special papilla found on the lingual prominence resembled larger filiform-like papillae in the horses; however, in the goat and cattle it was a very thick and large tongue like papillae. The horses had two large vallate papillae, while the goat and cattle had 15 or more vallate papillae at the posterior area of the lingual prominence. This suggests that the fine structure of horse tongues may display a more primitive pattern than that present in goats and cattle. |
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Department of Anatomy, School of Dentistry at Niigata, The Nippon Dental University, Niigata, Japan. kobayashi@ngt.ndu.ac.jp |
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1122-6714 |
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PMID:16101021 |
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1887 |
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Keil, N.M., Sambraus, H.H. |
| Title |
“Intervenors” in agonistic interactions amongst domesticated goats |
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Journal Article |
| Year |
1998 |
Publication |
Zeitschrift fur Säugetierkunde |
Abbreviated Journal |
Z. Säugetierk. |
| Volume |
63 |
Issue |
5 |
Pages |
266-272 |
| Keywords |
Behaviour; Domestication; Goat; Intervention; Rank order |
| Abstract |
Social behaviour was observed in individually marked goats in two herds. The goats from one herd (n = 98) were horned, those of the other herd (n = 83) were polled. By recording agonistic interactions within the herds, a dominance index was determined for each animal. In both herds, intervention took place. Intervention is defined as one animal pushing in between two fighters, and thus ending the fight. More cases of intervention took place per individual animal amongst the horned goats than amongst the polled ones. Goats which intervened in fights on several occasions usually had a high dominance index. Members of the herd which were observed intervening only once had an average dominance index in both herds of almost 0.5. In some cases, goats very low in the rank order intervened a fight. Only rarely did the intervenors have a lower dominance index than the two fighters. In 103 cases, the direct dominance relationship between a fighting animal and the intervenor was known. In 95 cases (92.2%), the intervenor was dominant to the herd member in this fight and in just eight cases (7.8%), it was subordinate. It could not be determined what advantage the intervenor gained from its activity. It is possible that, at least in certain cases, a particularly relationship existed between the intervenor and one of the fighters. |
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Equine Behaviour @ team @ |
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5236 |
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| Author |
Kaminski, J.; Call, J.; Tomasello, M. |
| Title |
Goats' behaviour in a competitive food paradigm: Evidence for perspective taking? |
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Journal Article |
| Year |
2006 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
| Volume |
143 |
Issue |
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Pages |
1341-1356 |
| Keywords |
SOCIAL COGNITION; GOATS; VISUAL PERSPECTIVE TAKING; COMPARATIVE COGNITION |
| Abstract |
Many mammalian species are highly social, creating intra-group competition for such things as food and mates. Recent research with nonhuman primates indicates that in competitive situations individuals know what other individuals can and cannot see, and they use this knowledge to their advantage in various ways. In the current study, we extended these findings to a non-primate species, the domestic goat, using the conspecific competition paradigm developed by Hare et al. (2000). Like chimpanzees and some other nonhuman primates, goats live in fission-fusion societies, form coalitions and alliances, and are known to reconcile after fights. In the current study, a dominant and a subordinate individual competed for food, but in some cases the subordinate could see things that the dominant could not. In the condition where dominants could only see one piece of food but subordinates could see both, subordinates' preferences depended on whether they received aggression from the dominant animal during the experiment. Subjects who received aggression preferred the hidden over the visible piece of food, whereas subjects who never received aggression significantly preferred the visible piece. By using this strategy, goats who had not received aggression got significantly more food than the other goats. Such complex social interactions may be supported by cognitive mechanisms similar to those of chimpanzees. We discuss these results in the context of current issues in mammalian cognition and socio-ecology. |
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refbase @ user @ |
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3430 |
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| Author |
Iwuala, M.O.; Okpala, I. |
| Title |
Studies on the ectoparasitic fauna of Nigerian livestock II: Seasonal infestation rates |
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 |
351-359 |
| Keywords |
Animal Diseases/*epidemiology; Animals; Cattle; Dogs; Ecology; Ectoparasitic Infestations/epidemiology/*veterinary; Goats; Horses; Nigeria; Seasons; Sheep; Swine |
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0378-9721 |
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PMID:756759 |
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Equine Behaviour @ team @ |
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2695 |
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Iwuala, M.O.; Okpala, I. |
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Studies on the ectoparasitic fauna of Nigerian livestock I: Types and distribution patterns on hosts' |
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Journal Article |
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1978 |
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Bulletin of Animal Health and Production in Africa. Bulletin des Sante et Production Animales en Afrique |
Abbreviated Journal |
Bull Anim Health Prod Afr |
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26 |
Issue |
4 |
Pages |
339-350 |
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Animal Diseases/*epidemiology; Animals; Cattle; Dogs; Ecology; Ectoparasitic Infestations/epidemiology/*veterinary; Goats; Horses; Nigeria; Sheep; Swine |
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0378-9721 |
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PMID:756758 |
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Equine Behaviour @ team @ |
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2696 |
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| Author |
Houpt, K.A. |
| Title |
Animal behavior as a subject for veterinary students |
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Journal Article |
| Year |
1976 |
Publication |
The Cornell veterinarian |
Abbreviated Journal |
Cornell Vet |
| Volume |
66 |
Issue |
1 |
Pages |
73-81 |
| Keywords |
Aggression; Animals; *Behavior, Animal; Cats; Chickens; Dogs; Education, Veterinary; Goats; Horses; Humans; Maternal Behavior; Mice; New York; Sexual Behavior, Animal; Sheep; Sleep; Social Behavior; Social Dominance; Swine |
| Abstract |
Knowledge of animal behavior is an important asset for the veterinarian; therefore a course in veterinary animal behavior is offered at the New York State College of Veterinary Medicine as an elective. The course emphasizes the behavior of those species of most interest to the practicing veterinarian: cats, dogs, horses, cows, pigs and sheep. Dominance heirarchies, animal communication, aggressive behavior, sexual behavior and maternal behavior are discussed. Play, learning, diurnal cycles of activity and sleep, and controls of ingestive behavior are also considered. Exotic and zoo animal behaviors are also presented by experts in these fields. The critical periods of canine development are related to the optimum management of puppies. The behavior of feral dogs and horses is described. The role of the veterinarian in preventing cruelty to animals and recognition of pain in animals is emphasized. Whenever possible behavior is observed in the laboratory or on film. |
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0010-8901 |
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PMID:767053 |
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refbase @ user @ |
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61 |
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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 |
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Journal Article |
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1971 |
Publication |
The Journal of Parasitology |
Abbreviated Journal |
J Parasitol |
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57 |
Issue |
3 |
Pages |
635-645 |
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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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PMID:5090972 |
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Equine Behaviour @ team @ |
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2730 |
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Hoogstraal, H.; Dhanda, V.; Bhat, H.R. |
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Haemaphysalis (Kaiseriana) davisi sp. n. (Ixodoidea: Ixodidae), a parasite of domestic and wild mammals in Northeastern India, Sikkim, and Burma |
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Journal Article |
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1970 |
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The Journal of Parasitology |
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J Parasitol |
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56 |
Issue |
3 |
Pages |
588-595 |
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Animals; Cattle; Cattle Diseases/etiology; Deer; Ecology; Goats; Horse Diseases/etiology; Horses; India; Mammals; Myanmar; Sheep; Sheep Diseases/etiology; Tick Infestations; Ticks/*classification/isolation & purification |
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0022-3395 |
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PMID:4246255 |
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no |
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Equine Behaviour @ team @ |
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2736 |
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Foster, T.M.; Matthews, L.R.; Temple, W.; Poling, A. |
| Title |
Concurrent schedule performance in domestic goats: persistent undermatching |
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Journal Article |
| Year |
1997 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
40 |
Issue |
3 |
Pages |
231-237 |
| Keywords |
Matching equation; Undermatching; Variable-interval schedule; Nose-press response; Goats |
| Abstract |
Performance of nine domestic goats responding under concurrent variable-interval variable-interval schedules of food delivery was examined, with results analyzed in terms of the generalized matching equation. Substantial undermatching of response and time allocation ratios to obtained reinforcement ratios was evident. Post-reinforcement pause time ratios approximately matched obtained reinforcement ratios. Subtracting these times from total time allocation values yielded net time allocation ratios, which undermatched obtained reinforcement ratios to a greater degree than whole-session time allocation ratios. Slopes of regression lines relating behavioral outputs to environmental inputs characteristically were below 0.6, which is similar to previous findings in dairy cows tested under comparable conditions. |
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Equine Behaviour @ team @ |
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3602 |
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