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Tags: Grazing + Animal behavior

All Categories (1-20 of 230)

  1. Automatic registration of grazing behaviour in dairy cows using 3D activity loggers

    Contributor(s):: Nielsen, Per Peetz

    Automated systems for monitoring behaviour of cows within dairy production are increasing and developments in technology provide new opportunities in this area. This study aimed to validate the use of a 3D activity logger (HOBO® Pendant G Data Logger), that registers the cow's head positions...

  2. A modeling approach for estimating seasonal dietary preferences of goats in a Mediterranean Quercus frainetto–Juniperus oxycedrus woodland

    | Contributor(s):: Manousidis, T., Malesios, C., Kyriazopoulos, A. P., Parissi, Z. M., Abraham, E. M., Abas, Z.

    Goats are characterized as selective feeders due to their specific feeding behavior, thus the study of their seasonal preferences in a Mediterranean oak-juniper ecosystem is of great interest. The current research was conducted in an open oak forest in Megalo Dereio region, northeastern Greece...

  3. Behavioural response of pure Ankole and crossbred (Ankole * Holstein) cows to seasonal pasture variations in south-western Uganda

    | Contributor(s):: Idibu, J., Kabi, F., Mpairwe, D.

    This study evaluated the effects of season and pasture species on variations in sward composition, pasture quantity (plant-height and biomass) and quality [crude protein (CP), neutral detergent fibre (NDF) and in vitro organic matter digestibility (IVOMD)]. Behavioural responses of a group of 10...

  4. Condensed tannins reduce browsing and increase grazing time of free-ranging goats in semi-arid savannas

    | Contributor(s):: Mkhize, N. R., Heitkonig, I. M. A., Scogings, P. F., Dziba, L. E., Prins, H. H. T., Boer, W. F. de

    Tannin concentrations fluctuate spatially and temporally within and among plant species, with consequences for forage quality of herbivores. The extent to which these fluctuations influence foraging activities of goats is not fully understood. While accounting for the effects of the time of the...

  5. Mother-young behaviours at lambing in grazing ewes: effects of lamb sex and food restriction in pregnancy

    | Contributor(s):: Freitas-De-Melo, A., Ungerfeld, R., Hotzel, M. J., Abud, M. J., Alvarez-Oxiley, A., Orihuela, A., Damian, J. P., Perez-Clariget, R.

    This study investigated whether the level of pasture allowance from before conception until late pregnancy affects ewe-lamb behaviours at birth, and if those behaviours differ according to the sex of the lambs. We performed two experiments, in which 96 ewes were assigned to one of two nutritional...

  6. The effect of four different feeding regimes on rabbit behaviour

    | Contributor(s):: Prebble, J. L., Langford, F. M., Shaw, D. J., Meredith, A. L.

    Dietary composition and presentation impacts on the behaviour of animals, and failure to provide a suitable diet can lead to reduced welfare through the development of poor health, the inability to express normal behaviours and the development of abnormal behaviours. This study assessed the...

  7. Daily grazing time of dairy cows is recorded accurately using the Lifecorder Plus device

    | Contributor(s):: Delagarde, R., Lamberton, P.

    Accurate estimation of daily grazing time and nycthemeral grazing pattern in ruminant nutrition research may result in a better understanding of sward-animal interactions and of the behavioural constraints affecting daily intake at pasture. Portable devices which automatically record grazing...

  8. 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...

  9. Wintertime use of natural versus artificial shelter by cattle in nature reserves in temperate areas

    | Contributor(s):: Laer, E. van, Ampe, B., Moons, C., Sonck, B., Tuyttens, F. A. M.

    The current study contributes scientific observation to the ongoing debate about whether and when artificial shelter (man-made), in addition to natural shelter (vegetation), should be provided to cattle grazing in nature reserves during temperate winters. In several year-round grazing projects in...

  10. Oral behaviors of beef steers in pen and pasture environments

    | Contributor(s):: Ishiwata, T., Uetake, K., Kilgour, R. J., Eguchi, Y., Tanaka, T.

    This study observed the behavioral characteristics of 122 steers in eight pens and 1,136 steers at six pastures. Nonhuman animals kept in pens performed less nutritive oral behaviors and more nonnutritive oral behaviors than animals kept at pasture. Although these could not be described as...

  11. Brucellosis in the Greater Yellowstone area: disease management at the wildlife-livestock interface

    | Contributor(s):: Schumaker, B. A., Peck, D. E., Kauffman, M. E.

  12. How do horses appraise humans' actions? A brief note over a practical way to assess stimulus perception

    | Contributor(s):: Baragli, P., Gazzano, A., Martelli, F., Sighieri, C.

    Heart rate (HR) is considered to be an effective tool for assessing animals' emotional response to a stimulus. We investigated changes in HR during a series of handling procedures (grooming test) in horses that had different experiences of human interaction. We used four groups of horses: grazing...

  13. Human behavior influences infectious disease emergence at the human-animal interface

    | Contributor(s):: Alexander, K. A., McNutt, J. W.

    Although human behavior is frequently cited as a factor influencing the emergence of disease at the human-animal interface, few empirical studies have demonstrated this relationship. We compare humans and their domestic animals living in close proximity to populations of the endangered African...

  14. Activity bout criteria for grazing dairy cows

    | Contributor(s):: Rook, A. J., Huckle, C. A.

    Data on the eating, ruminating and idling activity of grazing dairy cows recorded to a resolution of 1 min were used to study the choice of activity bout criteria and the implications of this choice. An inter-bout length of 5 min was found to be suitable for all 3 activity categories across a...

  15. An automatic system to record foraging behaviour in free-ranging ruminants

    | Contributor(s):: Rutter, S. M., Champion, R. A., Penning, P. D.

    Precise measurements of grazing behaviour are required to develop an understanding of the factors affecting the foraging behaviour of free-ranging domestic ruminants. An automatic, microcomputer-based system for the digital recording of the jaw movements of free-ranging cattle and sheep is...

  16. Dietary preference of dairy heifers grazing ryegrass and white clover, with and without an anti-bloat treatment

    | Contributor(s):: Rutter, S. M., Orr, R. J., Yarrow, N. H., Champion, R. A.

    The effect of an antibloat treatment on the dietary preference of nonpregnant Holstein x Friesian heifers for ryegrass and white clover was studied. Eight groups of two heifers grazed 0.51 ha plots containing adjacent monocultures of grass alongside clover with either 25 or 75% clover (by ground...

  17. Diurnal patterns of intake rate by sheep grazing monocultures of ryegrass or white clover

    | Contributor(s):: Orr, R. J., Penning, P. D., Harvey, A., Champion, R. A.

    The effects of time of day on the ingestive behaviour of groups of 5 sheep grazing monocultures of ryegrass (Lolium perenne cv. Parcour) or white clover (Trifolium repens cv. Kent Wild White), were measured over periods of 1 h starting at 07.30, 11.30, 15.30 and 19.30 h in August 1993. Grazing...

  18. Effect of dairy cattle husbandry on behavioural patterns of red deer ( Cervus elaphus ) in the Italian Alps

    | Contributor(s):: Mattiello, S., Redaelli, W., Carenzi, C., Crimella, C.

    The present study aimed to investigate in the field the effect of the presence of cattle on red deer behavioural patterns, in order to provide information that could be used to improve land management strategies. The research was carried out in a summer range at 1500 m a.s.l. in the Italian...

  19. 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...

  20. Effects of space allowance on the grazing behaviour and spacing of sheep

    | Contributor(s):: Sibbald, A. M., Shellard, L. J. F., Smart, T. S.

    In each of two experiments, four groups of 10 female Scottish Blackface sheep grazed for 2 weeks at each of four space allowances, according to a Greco-Latin Square design. Space allowances were 80, 100, 133 or 200 m2 per head in experiment 1 and 50, 67, 100 or 200 m2 per head in experiment 2....