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  1. Validation of HOBO Pendant data loggers for automated step detection in two age classes of male turkeys: growers and finishers

    Contributor(s):: Dalton, H. A., Wood, B. J., Dickey, J. P., Torrey, S.

    Activity levels can be used as a predictor of health status, physical condition, feed efficiency, and coping style in animals. Small, portable data loggers have been validated as an inexpensive and effective alternative to video or live observation for automated activity detection in several...

  2. Landowner attitudes toward introduced wild turkeys in northwestern Minnesota

    Contributor(s):: Parent, C. J., Goodwin, B. J., Dunton, E. M.

  3. Domestic turkeys are not averse to compact fluorescent lighting

    Contributor(s):: Sherwin, C. M.

    The preferences of 30 male BUT 8 turkeys for 10 lx incandescent or compact fluorescent lighting was determined on 6 occasions when the birds were between 8 and 18 weeks of age. The turkeys showed no indication of aversion to the fluorescent light, rather, they chose this significantly more...

  4. The effects of environmental enrichment and intermittent lighting on the behaviour and welfare of male domestic turkeys

    Contributor(s):: Sherwin, C. M., Lewis, P. D., Perry, G. C.

    The responses to 4 treatments (2 rooms/treatment) of 8 groups of 50 non-beak trimmed, male domestic turkeys was investigated from day-of hatching to 21 weeks of age. One treatment, 'Control' birds, were reared under conditions close to commercial rearing; the other treatments were Enriched (many...

  5. Turkeys prefer fluorescent light with supplementary ultraviolet radiation

    Contributor(s):: Moinard, C., Sherwin, C. M.

    30 male Big 6 turkeys were reared in a room lit by a compact fluorescent lamp (15 lux) or a similar lamp and a supplementary ultraviolet radiation (UV) source (160 W, 365 nm peak emission) from 1 day of age. At 6, 7, 9, 10, 12 and 13 weeks of age, turkeys were subjected to a choice test. In each...

  6. A brief report on aggressive interactions within and between groups of domestic turkeys ( Meleagris gallopavo )

    Contributor(s):: Buchwalder, T., Huber-Eicher, B.

    Aggressive encounters and injuries due to head pecking seriously threaten the welfare of domestic turkeys and also result in economic waste within the turkey industry. The aim of this study was to investigate whether domestic turkey toms distinguish group members from non-group members and if...

  7. Stimulation of feeding in neonatal turkeys by flashing lights

    Contributor(s):: Lewis, N. J., Hurnik, J. F.

    400 Large White male and female turkey poults weighing 55 g were exposed to flashing lights (blue, green, yellow and red) for the first 20 min of each hour for the first 6 days after hatching. Poults exposed to flashing lights consumed an average of 9% more feed than 400 non-exposed poults, but...

  8. Effect of crate height during short-term confinement on the welfare and behaviour of turkeys

    Contributor(s):: Wichman, A., Norring, M., Pastell, M., Algers, B., Poso, R., Valros, A., Saloniemi, H., Hanninen, L.

    During transport from the farm to the slaughter house birds are often confined in crates with limited space. In this study we investigated how the confinement of male turkeys in crates of 40, 55 or 90 cm height for 6 h, affected the turkeys welfare. We used both behavioural observations and...

  9. Light intensity preferences of domestic male turkeys

    Contributor(s):: Sherwin, C. M.

    Thirty BUT8 turkey males [15 reared at 4 lux (4LUX) and 15 reared at 12 lux (12LUX)] were placed in a preference apparatus comprising of 4 chambers with a choice of < 1, 5, 10, or 25 lux of light. Sub-groups of 3 birds were tested on 8 occasions between 6 and 19 weeks of age. The 4LUX birds spent...

  10. Preference of turkey hens for nest-boxes of different levels of interior illumination

    Contributor(s):: Millam, J. R.

    Nicholas large, white turkey hens were provided with nest-boxes of different levels of interior illumination to determine whether box light intensity influenced where eggs were laid, egg production, frequency of nest-visits or time spent nesting. The results indicate that hens prefer a relatively...

  11. A note on behaviour of poultry exposed to increasing carbon dioxide concentrations

    Contributor(s):: Gerritzen, M., Lambooij, B., Reimert, H., Stegeman, A., Spruijt, B.

    Killing poultry by means of whole house gassing with carbon dioxide (CO2) is an important tool in disease control. The behaviour of ducks, broilers, laying hens and turkeys was observed to assess differences in susceptibility between species and to assess animal welfare implications following...

  12. Feeding behaviour in turkeys with a change-over from crumbs to pellets

    Contributor(s):: Lecuelle, S., Bouvarel, I., Chagneau, A. M., Lescoat, P., Laviron, F., Leterrier, C.

    Poultry receive different diets during their rearing but these changes can result in a major reduction in feed intake and subsequently in growth. This problem is widespread in turkeys, especially with feed changes from crumbs to pellets. This experiment aimed to analyse behaviour during this...

  13. Comparisons of damaging feather pecking and time budgets in male and female turkeys of a traditional breed and a genetically selected male line

    Contributor(s):: Busayi, R. M., Channing, C. E., Hocking, P. M.

    Feather and skin pecking leading to feather loss and tissue damage is a welfare problem in commercial turkeys. A factorial experiment was designed to compare a line of unselected turkeys that previously did not exhibit this behaviour with a genetically selected male line with a propensity for...

  14. Effect of group size on aggressive reactions to an introduced conspecific in groups of domestic turkeys ( Meleagris gallopavo )

    Contributor(s):: Buchwalder, T., Huber-Eicher, B.

    Aggressive encounters and injuries due to head pecking seriously threaten the welfare of domestic turkeys and also result in economic losses for the turkey industry. Animals of different species show an increase in aggression when unfamiliar conspecifics are mixed but a marked drop in aggression...

  15. Effect of increased floor space on aggressive behaviour in male turkeys ( Meleagris gallopavo )

    Contributor(s):: Buchwalder, T., Huber-Eicher, B.

    Under commercial rearing conditions, domestic turkeys are often aggressive towards "pen-mates", and this may lead to serious injuries or even death. We hypothesized that restricted space, as a consequence of high stocking density, might prevent the attacked bird from retreating from its opponent...

  16. Influence of nest-box substrate (pine shavings vs. artificial turf) on nesting behaviour and prolactin levels in turkeys hens ( Meleagris gallopavo )

    Contributor(s):: Book, C. M., Millam, J. R.

    Because brood patch stimulation is required for the development of incubation behaviour and nesting physiology in turkey hens, the hypothesis that differences in tactility of nest box substrates might alter the normal progression of the laying cycle was tested. Nest boxes containing either pine...

  17. Sound stimuli to enhance ingestive behaviour of young turkeys

    Contributor(s):: Bate, L. A.

    A study was conducted to establish whether auditory stimulation in the form of pre-taped maternal vocalizations would influence initial feeding behaviour in newly hatched poults. For the purposes of the study control birds (Group C) were raised under simulated commercial conditions. Other birds...

  18. Behavioural time-budgets and beak related behaviour in floor-housed turkeys

    Contributor(s):: Hughes, B. O., Grigor, P. N.

    The behavioural time budget of 140 turkey poults housed on litter in groups of 10-11 in small pens was recorded by individual scan sampling from 1-day-old to 12-weeks-old. Over this period some behaviour (sitting/sleeping) remained relatively constant, some (feeding) declined and remained low,...

  19. Effects of lighting on the welfare of domestic poultry: a review

    Contributor(s):: Manser, C. E.

    Four aspects of lighting which may affect the behaviour and physiology of housed poultry are light intensity, photoperiod, light source and wavelength. These factors are frequently manipulated in an attempt to improve productivity and to facilitate management practices. This review examines the...

  20. Preferences of growing ducklings and turkey poults for illuminance

    Contributor(s):: Barber, C. L., Prescott, N. B., Wathes, C. M., Sueur, C. le, Perry, G. C.

    The illuminance and spectral power distribution in 19 duckling and 16 turkey poult houses in the UK were sampled. Illuminance was highly variable within duckling houses and to a lesser extent in housing for turkey poults. In a free choice experiment, the preferences of commercial ducklings and...