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Kobayashi, K.; Jackowiak, H.; Frackowiak, H.; Yoshimura, K.; Kumakura, M.; Kobayashi, K. |
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Title |
Comparative morphological study on the tongue and lingual papillae of horses (Perissodactyla) and selected ruminantia (Artiodactyla) |
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2005 |
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Italian Journal of Anatomy and Embryology = Archivio Italiano di Anatomia ed Embriologia |
Abbreviated Journal |
Ital J Anat Embryol |
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Volume |
110 |
Issue |
2 Suppl 1 |
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55-63 |
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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 |
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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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Author |
Escos, J.; Alados, C.L.; Boza, J. |
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Title |
Leadership in a domestic goat herd |
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Journal Article |
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Year |
1993 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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Volume |
38 |
Issue |
1 |
Pages |
41-47 |
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Keywords |
Leadership; Goat |
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This study reports on leadership behavior in a domestic goat group (370 animals) moving from night-time areas to grazing areas. Of the adult females which occupied leadership positons, all of them were born in the study area. Also, they were individuals with more relatives alive in the group (according to matrilineal kinship) than the rest, but they did not show special physical characteristics. |
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2032 |
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Langbein, J.; Nurnberg, G.; Puppe, B.; Manteuffel, G. |
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Title |
Self-Controlled Visual Discrimination Learning of Group-Housed Dwarf Goats (Capra hircus): Behavioral Strategies and Effects of Relocation on Learning and Memory |
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Journal Article |
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Year |
2006 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J. Comp. Psychol. |
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120 |
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1 |
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58-66 |
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Keywords |
dwarf goats; visual discrimination; operant learning; learning strategies; context |
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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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Langbein, J.; Puppe, B. |
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Title |
Analysing dominance relationships by sociometric methods--a plea for a more standardised and precise approach in farm animals |
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Journal Article |
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Year |
2004 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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Volume |
87 |
Issue |
3-4 |
Pages |
293-315 |
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Keywords |
Dominance; Dyads; Social hierarchy; Sociometric measures; Pig; Dwarf goat |
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Social dominance is a multidimensional phenomenon occurring in all gregarious farm animals and finds its reflection in a dominance hierarchy. Hence, numerous studies have tried to analyse dominance relationships as well as to correlate outcoming results (mostly individual ranks) with other behavioural and/or physiological features of the animals. Although the concept of dominance, once established, has been developed continuously and several sociometric measures were cumulatively introduced, a consistent analysing approach has not been achieved, especially in farm animals. Thus, considerable inconsistencies in the used methodology may impair obtained results and interpretations. The present paper is a plea for a more standardised and complex approach when analysing dominance relationships, not only in farm animals. First, derived from a structural definition of dominance, we suggest in detail the preferably consistent use of appropriate sociometric measures at all social levels of analysis: the dyad as the starting level, the group as the highest level, and the individual as the basic level. Second, we applied this procedures in a case study to analyse social dominance in a group of dwarf goats (n=12) and pigs (n=10), respectively, to comparatively demonstrate benefits and problems of such an approach in two different farm animal species. It is concluded that the use of individual ranks is actually only reasonable when fundamental sociometric measures both at the dyadic level (e.g. percentage of dyads which have a significant asymmetric outcome) and at the group level (e.g. the strength of hierarchy) are successfully tested by statistical methods as also presented in this paper. The calculated sociometric measures deliver not only a more comprehensive “picture” of the social relationships within a group as simple ranks do, but also indicate possible reasons of differences in the behavioural development. For instance, whereas the dwarf goats maintained a quasi-linear dominance hierarchy over time with a high rate of overt agonistic behaviour, pigs after the establishment of their hierarchy showed a reduced agonistic behaviour which makes it questionable to calculate reliable sociometric measures. These species-dependent variations may be primarily caused by different kinds of the fighting behaviour in goats (i.e. ritualised, low costs) and pigs (i.e. more seriously, high costs). Overall, a more consistent and standardised approach of analysing social dominance in (farm) animals may improve the scientific value of single studies and makes it easier to compare various studies within a species and between species. |
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2141 |
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Author |
Roitberg, E.; Franz, H. |
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Title |
Oddity learning by African dwarf goats ( Capra hircus) |
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Journal Article |
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Year |
2004 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
7 |
Issue |
1 |
Pages |
61-67 |
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Animals; *Cues; Female; Goats/*physiology; *Pattern Recognition, Visual; *Task Performance and Analysis |
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Seventeen African dwarf goats (adult females) were trained on oddity tasks using an automated learning device. One odd stimulus and three identical nonodd stimuli were presented on a screen divided into four sectors; the sector for the odd stimulus was varied pseudorandomly. Responses to the odd stimulus were deemed to be correct and were reinforced with food. In phase 1, the goats were trained on eight stimulus configurations. From trial to trial the odd discriminandum was either a + symbol or the letter S, and the nonodd discriminandum was the symbol not used as the odd one. In phase 2, the animals were similarly trained using an unfilled triangle or a filled (i.e., solid black) circle. In phase 3, three new discriminanda were used, an unfilled, small circle with radiating lines, an unfilled heart-shaped symbol, and an unfilled oval; which of the three discriminanda was odd and nonodd was varied from trial to trial. Following these training phases, a transfer test was given, which involved 24 new discriminanda sets. These were presented twice for a total of 48 transfer test trials. Results early in training showed approximately 25% correct, which might be expected by chance in a four-choice task. After 500-2,000 trials, results improved to approximately 40-44% correct. The best-performing subject reached 60-80% correct during training. On the transfer test, this subject had 47.9% correct and that significantly exceeded 25% expected by chance. This finding suggests that some exceptional individuals of African dwarf goats are capable of learning the oddity concept. |
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Forschungsinstitut fur die Biologie landwirtschaftlicher Nutztiere, Wilhelm-Stahl-Allee 2, D-18196 Dummerstorf, Germany. Roitberg@fbn-dummerstorf.de |
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1435-9448 |
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PMID:13680403 |
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Equine Behaviour @ team @ |
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2554 |
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Author |
Satorov, S.S.; Orzuev, M.I. |
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[Frequency of the isolation of staphylococci from domestic animals and strain identification] |
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Journal Article |
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Year |
1987 |
Publication |
Zhurnal Mikrobiologii, Epidemiologii, i Immunobiologii |
Abbreviated Journal |
Zh Mikrobiol Epidemiol Immunobiol |
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12 |
Pages |
37-39 |
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Keywords |
Animals; Animals, Domestic/*microbiology; Bacteriophage Typing; Carrier State/microbiology/veterinary; Cats; Ecology; Goats; Horses; Perissodactyla; Sheep; Staphylococcal Infections/microbiology/veterinary; Staphylococcus/classification/*isolation & purification |
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Staphylococci occur in donkeys more frequently than in other animals, and only from donkeys coagulase-negative staphylococci, characteristic of humans (S. hominis, S. capitis, S. cohnii), were isolated. Least frequently staphylococcal carrier state was registered in cats; in these animals only coagulase-negative strains were found to occur. From 30 donkeys coagulase-positive staphylococci belonging to 47 S. aureus strains were isolated. These strains differed from known ecological variants in their biological properties, thus suggesting the existence of S. aureus ecovar specific for donkeys. These strains did not coagulate human, bovine and ovine plasma, but coagulated rabbit plasma in 100% of cases and donkey plasma only in 53% of cases; at the same time they relatively often produced delta hemolysin, rarely phosphatase and hyaluronidase and never fibrinolysin. These strains were typed by KPC phages, mainly 116 and 117. |
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Russian |
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Chastota vydeleniia stafilokokkov u domashnykh zhivotnykh i identifikatsiia shtammov |
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0372-9311 |
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PMID:3445728 |
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Equine Behaviour @ team @ |
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2676 |
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Iwuala, M.O.; Okpala, I. |
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Studies on the ectoparasitic fauna of Nigerian livestock II: Seasonal infestation rates |
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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 |
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4 |
Pages |
351-359 |
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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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Author |
Iwuala, M.O.; Okpala, I. |
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Title |
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 |
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4 |
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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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Pitchford, R.J.; Visser, P.S.; du Toit, J.F.; de Pienaar, U.V.; Young, E. |
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Observations on the ecology of Schistosoma mattheei Veglia & Le Roux, 1929, in portion of the Kruger National Park and surrounding area using a new quantitative technique for egg output |
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1973 |
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Journal of the South African Veterinary Association |
Abbreviated Journal |
J S Afr Vet Assoc |
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44 |
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4 |
Pages |
405-420 |
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Animals; Artiodactyla; Buffaloes; Cattle; Cattle Diseases/epidemiology; Dog Diseases/epidemiology; Dogs; Feces; Goats; Haplorhini; Horse Diseases/epidemiology; Horses; Humans; Methods; Monkey Diseases/epidemiology; Papio; Parasite Egg Count; Schistosomiasis/epidemiology/*veterinary; Sheep; Sheep Diseases/epidemiology; South Africa; Swine; Swine Diseases/epidemiology |
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1019-9128 |
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PMID:4212207 |
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Equine Behaviour @ team @ |
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2711 |
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Rumiantsev, S.N. |
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[Biological function of Clostridium tetani toxin (ecological and evolutionary aspects)] |
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1973 |
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Zhurnal Evoliutsionnoi Biokhimii i Fiziologii |
Abbreviated Journal |
Zh Evol Biokhim Fiziol |
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9 |
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5 |
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474-480 |
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Animals; Cats; Chickens; Dogs; Ecology; Evolution; Goats; Guinea Pigs; Haplorhini; Horses; Insectivora; Mice; Perissodactyla; Rabbits; Rats; Sheep; *Tetanus Toxin |
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K voprosu biologicheskoi funktsii toksina Clostridium tetani (ekologicheskie i evolutsionnye aspekty |
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0044-4529 |
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PMID:4203684 |
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Equine Behaviour @ team @ |
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2713 |
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