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| Author | Weng, R.C.; Edwards, S.A.; English, P.R. | ||||
| Title | Behaviour, social interactions and lesion scores of group-housed sows in relation to floor space allowance | Type | Journal Article | ||
| Year | 1998 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Appl. Anim. Behav. Sci. |
| Volume | 59 | Issue | 4 | Pages | 307-316 |
| Keywords | Pig-social behaviour; Space requirements; Anomalous behaviour | ||||
| Abstract | The space allowance appropriate for sows in group housing remains scientifically undefined, since the social space requirement of a group of animals and the factors which affect this are unknown. Eight established groups of six pregnant, multiparous sows were used in a replicated Latin Square design of experiment, with 7 day periods, to compare four pen sizes providing 2.0, 2.4, 3.6 or 4.8 m2/sow. For the last 48 h of each 7 day period, a continuous video recording was made to determine general behaviour and all social interactions. Time spent rooting increased progressively with increasing space allowance, whereas time spent sitting and standing inactive were both progressively reduced. The total frequency of social interactions and aggressive behaviour both increased with decreasing space allowance. The Attack:Retreat ratio was significantly higher, and the Avoidance Index significantly lower, in the smallest pen. All body regions had the highest count of lesions after sows had been in the smallest pen, with damage levels being reduced as pen area increased. Analysis of body lesion scores, combining incidence and severity, gave the same treatment effects. In conclusion, the results indicated that a minimum space of between 2.4 and 3.6 m2/sow was necessary in the conditions of this experiment to promote good welfare. This result cannot be generalised to situations of different group size, group stability or feeding method. | ||||
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| ISSN | 0168-1591 | ISBN | Medium | ||
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Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5474 | ||
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| Author | Schwartz, E.B.; Granger, D.A.; Susman, E.J.; Gunnar, M.R.; Laird, B. | ||||
| Title | Assessing Salivary Cortisol in Studies of Child Development | Type | Journal Article | ||
| Year | 1998 | Publication | Child Development | Abbreviated Journal | |
| Volume | 69 | Issue | 6 | Pages | 1503-1513 |
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| Abstract | In a series of studies, we evaluated the susceptibility of radioimmunoassays (RIA) for saliva cortisol to interference effects caused by oral stimulants used to facilitate saliva collection in studies with children. When added directly to saliva samples, oral stimulants (drink mix crystals) artificially inflated estimated cortisol concentrations. The magnitude of the interference effect was concentration-dependent and more pronounced for some stimulants and RIA procedures than for others. Analysis of samples collected using oral stimulants from child and adult participants confirmed stimulant interference as an extraneous source of variability in measured saliva cortisol. Associations between serum and saliva cortisol and between saliva cortisol and “behavioral” variables were attenuated by stimulant interference. A survey of six large child studies estimated interference effects, indexed by low sample pH, to be present in 14.7% of the 1,148 total saliva samples, or 2%-54% (M= 22%) of samples within each study. Recommendations to minimize the impact of stimluant interference in studies involving salivary cortisol in the context of child health and development are outlined. | ||||
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| Publisher | Blackwell Publishing Ltd | Place of Publication | Editor | ||
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| ISSN | 1467-8624 | ISBN | Medium | ||
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| Notes |
Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5562 | ||
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| Author | Byrne, R. W.; Russon, A. E. | ||||
| Title | Learning by imitation: a hierachical approach | Type | Journal Article | ||
| Year | 1998 | Publication | Abbreviated Journal | Behav. Brain Sci. | |
| Volume | 21 | Issue | Pages | 667-721 | |
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Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5598 | ||
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| Author | Vetvik, H.; Grewal, H.M.S.; Haugen, I.L.; Åhrén, C.; Haneberg, B. | ||||
| Title | Mucosal antibodies can be measured in air-dried samples of saliva and feces | Type | Journal Article | ||
| Year | 1998 | Publication | Journal of Immunological Methods | Abbreviated Journal | |
| Volume | 215 | Issue | 1–2 | Pages | 163-172 |
| Keywords | Saliva; Feces; IgA; IgG; Air-drying | ||||
| Abstract | IgA antibodies reflecting airways or intestinal mucosal immune responses can be found in saliva and feces, respectively, and IgG antibodies reflecting serum antibodies can be found in saliva. In this study, antibodies were detected in samples of saliva and feces which had been air-dried at room temperature (+20°C) or +37°C, and stored at these temperatures for up to 6 months. In saliva the antibody levels increased, while the antibodies in feces decreased upon storage. The individual IgA antibody concentrations which were adjusted by using the ratios of specific IgA/total IgA were relatively stable in both saliva and feces, and correlated with corresponding antibody levels in samples which had been stored at -20°C. The results indicate that air-dried saliva and feces can be used for semiquantitative measurements of mucosal antibodies, even after prolonged storage at high temperatures and lack of refrigeration. | ||||
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| ISSN | 0022-1759 | ISBN | Medium | ||
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Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5996 | ||
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| Author | Daniel, J.C.; Mikulka, P.J. | ||||
| Title | Discrimination learning in the white rhinoceros | Type | Journal Article | ||
| Year | 1998 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Appl. Anim. Behav. Sci. |
| Volume | 58 | Issue | 1–2 | Pages | 197-202 |
| Keywords | Rhinoceros; Learning | ||||
| Abstract | This study examined the ability of two adult white rhinoceroses (Ceratotherium simum simum) to develop a visual discrimination between an open circle and a triangle. These stimuli were presented as black symbols on large white cards. The cards were presented 4.6 m apart and a food reward was given if the subject approached the open circle. Ten discrimination choices were given daily until each subject reached the criterion of 80% correct responding over a block of 50 trials. The female reached the criterion over trials 151–200, while the male required considerably longer (trials 501–550). The male's discrimination was dramatically affected by a shift in the food reward. This study demonstrates that these rhinos were able to develop a successful discrimination and this protocol could be used to further examine their visual acuity. | ||||
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| ISSN | 0168-1591 | ISBN | Medium | ||
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Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6145 | ||
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| Author | Klingel, H. | ||||
| Title | Observations on social organization and behaviour of African and Asiatic Wild Asses (Equus africanus and Equus hemionus) | Type | Journal Article | ||
| Year | 1998 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Appl Anim Behav Sci |
| Volume | 60 | Issue | 2 | Pages | 103-113 |
| Keywords | Equus africanus Equus hemionus Territoriality | ||||
| Abstract | 1This paper appears with kind permission of Verlag Paul Parey, Berlin and Hamburg. It was originally published in Z. Tierpsychol., 44, 323-331 (1977), ISSN 0044-3573/ASTM-Coden: ZETIAG.1 Abstract African and Asiatic Wild Asses (Equus africanus and Equus hemionus) live in unstable groups or herds of variable composition. Some of the adult stallions are territorial in large territories in which they tolerate other ♂♂. The territorial ♂♂ are dominant over all their conspecifics |
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| ISSN | 0168-1591 | ISBN | Medium | ||
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| Notes |
Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6173 | ||
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| Author | Mench, J.A.; Morrow-Tesch, J.; Chu, L.-R. | ||||
| Title | Environmental enrichment for farm animals | Type | Journal Article | ||
| Year | 1998 | Publication | Lab Animal | Abbreviated Journal | Lab Anim. |
| Volume | 27 | Issue | Pages | 32-36 | |
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| ISSN | ISBN | ISSN : 0093-7355 | Medium | ||
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| Notes |
Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6188 | ||
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| Author | Nissen, J. | ||||
| Title | Enzyklopädie der Pferderassen | Type | Book Whole | ||
| Year | 1998 | Publication | Abbreviated Journal | ||
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| Publisher | Kosmos | Place of Publication | Stuttgart | Editor | |
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Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6543 | ||
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| Author | Clayton, N.S.; Dickinson, A. | ||||
| Title | Episodic-like memory during cache recovery by scrub jays | Type | Journal Article | ||
| Year | 1998 | Publication | Abbreviated Journal | Nature | |
| Volume | 395 | Issue | 6699 | Pages | 272-274 |
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| Abstract | The recollection of past experiences allows us to recall what a particular event was, and where and when it occurred1,2, a form of memory that is thought to be unique to humans3. It is known, however, that food-storing birds remember the spatial location4, 5, 6 and contents6, 7, 8, 9 of their caches. Furthermore, food-storing animals adapt their caching and recovery strategies to the perishability of food stores10, 11, 12, 13, which suggests that they are sensitive to temporal factors. Here we show that scrub jays (Aphelocoma coerulescens) remember 'when' food items are stored by allowing them to recover perishable 'wax worms' (wax-moth larvae) and non-perishable peanuts which they had previously cached in visuospatially distinct sites. Jays searched preferentially for fresh wax worms, their favoured food, when allowed to recover them shortly after caching. However, they rapidly learned to avoid searching for worms after a longer interval during which the worms had decayed. The recovery preference of jays demonstrates memory of where and when particular food items were cached, thereby fulfilling the behavioural criteria for episodic-like memory in non-human animals. | ||||
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| ISSN | 0028-0836 | ISBN | Medium | ||
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| Notes |
10.1038/26216 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 4788 | ||
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| Author | Barton, N. | ||||
| Title | Evolutionary biology: The geometry of adaptation | Type | Journal Article | ||
| Year | 1998 | Publication | Nature | Abbreviated Journal | Nature |
| Volume | 395 | Issue | 6704 | Pages | 751-752 |
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| ISSN | 0028-0836 | ISBN | Medium | ||
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10.1038/27338 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 5469 | ||
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