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Tags: Heterogeneity

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  1. The social network structure of a dynamic group of dairy cows: from individual to group level patterns

    Contributor(s):: Boyland, N. K., Mlynski, D. T., James, R., Brent, L. J. N., Croft, D. P.

    Social relationships have been shown to significantly impact individual and group success in wild animal populations, but are largely ignored in farm animal management. There are substantial gaps in our knowledge of how farm animals respond to their social environment, which varies greatly...

  2. Effects of variation in nest curtain design on pre-laying behaviour of domestic hens

    Contributor(s):: Ringgenberg, N., Frohlich, E. K. F., Harlander-Matauschek, A., Toscano, M. J., Wurbel, H., Roth, B. A.

    Laying hens in loose-housing systems select a nest daily in which to lay their eggs among many identical looking nests, they often prefer corner nests. We investigated whether heterogeneity in nest curtain appearance - via colours and symbols - would influence nest selection and result in an even...

  3. Density-dependent diet selection and body condition of cattle and horses in heterogeneous landscapes

    Contributor(s):: Cornelissen, P., Vulink, J. T.

    For some decades, grazing by cattle and horses is used as a management tool to achieve different nature management goals. For managers there are still questions to be answered about the effects of herbivore densities on their performance, vegetation development and biodiversity. This study...

  4. Parameters influencing service dogs' quality of response to commands: retrospective study of 71 dogs

    Contributor(s):: Dalibard, G. H.

  5. Instantaneous intake rate of free-grazing cattle as affected by herbage characteristics in heterogeneous tropical agro-pastoral landscapes

    Contributor(s):: Chirat, G., Groot, J. C. J., Messad, S., Bocquier, F., Ickowicz, A.

    Numerous territories of Sub-Saharan Africa are composed of a mosaic of very different landscape units: cropland, forest, and savannah. This spatial, but also temporal heterogeneity leads to complexity in the analysis of cattle intake behaviour. The instantaneous intake rate (IIR) is generally...

  6. Animal Publics: Accounting for Heterogeneity in Political Life

    Contributor(s):: Blue, G.

  7. Behavioural mechanisms of intake rate by heifers grazing swards of contrasting structures

    Contributor(s):: Mezzalira, J. C., Carvalho, P. C. de F., Fonseca, L., Bremm, C., Cangiano, C., Gonda, H. L., Laca, E. A.

    The relationship between herbage intake by herbivores and herbage available depends on the interaction between sward structure and animal behaviour. This relationship is a crucial component determining the stability, function and productivity of grazing systems. The present study aims at...

  8. Social hierarchy formation in piglets mixed in different group compositions after weaning

    Contributor(s):: Fels, M., Hartung, J., Hoy, S.

    The aim of this study was to investigate whether mixing of piglets in different group compositions after weaning can affect the social hierarchy formation. The linearity of the social hierarchy and the type of dyadic relationships between all possible pairs of individuals within a group were...

  9. Cattle habitat selection and associated habitat characteristics under free-range grazing within heterogeneous Montane rangelands of Alberta

    Contributor(s):: Kaufmann, J., Bork, E. W., Blenis, P. V., Alexander, M. J.

  10. Flocking for food or flockmates?

    Contributor(s):: Asher, L., Collins, L. M., Pfeiffer, D. U., Nicol, C. J.

  11. Individual distance during resting and feeding in age homogeneous vs. age heterogeneous groups of goats

    Contributor(s):: Boe, K. E., Ehrlenbruch, R., Jorgensen, G. H. M., Andersen, I. L.

  12. Sleeping tight or hiding in fright? The welfare implications of different subtypes of inactivity in mink

    Contributor(s):: Meagher, R. K., Campbell, D. L. M., Dallaire, J. A., Diez-Leon, M., Palme, R., Mason, G. J.

  13. Benefits of pair housing are consistent across a diverse population of rhesus macaques. (Special Issue: The welfare of laboratory primates.)

    Contributor(s):: Baker, K. C., Bloomsmith, M. A., Oettinger, B., Neu, K., Griffis, C., Schoof, V., Maloney, M.

  14. Foraging paths through vegetation patches for beef cattle in semi-natural pastures

    Contributor(s):: Orr, R. J., Tozer, K. N., Griffith, B. A., Champion, R. A., Cook, J. E., Rutter, S. M.

  15. How can social network analysis contribute to social behavior research in applied ethology?

    Contributor(s):: Makagon, M. M., McCowan, B., Mench, J. A.

  16. Social transmission of physiological and behavioural responses to castration in suckling Merino lambs

    Contributor(s):: Colditz, I. G., Paull, D. R., Lee, C.

  17. Heterogeneity and phylogenetic relationships of community-associated methicillin-sensitive/resistant Staphylococcus aureus isolates in healthy dogs, cats and their owners

    Contributor(s):: Wan, M. T., Fu, S. Y., Lo, Y. P., Huang, T. M., Cheng, M. M., Chou, C. C.

    Aims: To investigate the distribution of staphylococcal enterotoxin genes (se) and the molecular features of community-associated methicillin-sensitive/resistant Staphylococcus aureus (CA-MSSA/MRSA) isolates in the nostrils of healthy pets and their owners. Methods and Results: A total of 114...

  18. Effects of social behaviour on the spatial distribution of sheep grazing a complex vegetation mosaic

    Contributor(s):: Sibbald, A. M., Oom, S. P., Hooper, R. J., Anderson, R. M.

    In complex environments, the spatial distribution of preferred food types will be a major factor influencing the distribution of foraging animals. However, in highly social animals, such as sheep, social interactions may modify foraging behaviour and hence influence both where animals feed and...

  19. A note on using a laser-based technique for recording of behaviour and location of free-ranging animals

    Contributor(s):: Fehmi, J. S., Laca, E. A.

    We developed a precise, remote (up to 300 m) observation system to record animal location and behaviour that requires no animal handling or disruption of the normal environment. Our system, combining a survey laser and a laptop, also allows recording of observed animal behaviour from seconds to...

  20. Foraging in a heterogeneous environment - an experimental study of the trade-off between intake rate and diet quality

    Contributor(s):: Edouard, N., Duncan, P., Dumont, B., Baumont, R., Fleurance, G.

    Among the factors determining the choice of feeding sites by herbivores, the rate of intake of net energy and nutrients is a major one. For grazers, patches of tall grasses are ingested faster, but are digested less fully because of their high fibre contents; conversely, short grass is highly...