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  1. Environmental design and its evaluation for intensively housed animals

    Contributor(s):: McBride, G., Craig, J. V.

    It is argued that applied ethology has emerged as an empirical science with a limited base of theory. Two models are presented and used to examine problems of evaluation of husbandry design. The first model, of the process of adaptation to environments, predicts that long-term strain, learned...

  2. Environmentally enriched dog housing

    Contributor(s):: Loveridge, G. G.

  3. Factors affecting cubicle utilisation by dairy cattle using stall frame and bedding manipulation experiments

    Contributor(s):: O'Connell, J. M., Giller, P. S., Meaney, W. J.

    Earlier studies have shown that cattle preferentially utilised Dutch Comfort (DC) cubicles more frequently than Newton Rigg (NR) cubicles. Designs differ in position of barwork with the Dutch Comfort providing greater lateral space sharing than the older Newton Rigg cubicles. To further...

  4. Influence of the presence of 3-day-old chickens on the behaviour of meat and egg-type posthatch counterparts

    Contributor(s):: Mahagna, M., Nir, I., Nitsan, Z.

    The effect of 3-day-old 'guides' of broiler or White Leghorn type chickens on posthatch behaviour (eating, drinking, standing and sitting), growth rate and livability was measured in broiler and Leghorn type chickens. Four trials were conducted. One trial was in cages and 3 were on a litter...

  5. Interpreting the behaviour of calves in an open-field test: a factor analysis

    Contributor(s):: Passille, A. M. de, Rushen, J., Martin, F.

    16 female Holstein calves were removed from their pen, which allowed limited visual and tactile contact with other calves, and placed in an arena which allowed no visual contact with other calves for a period of 15 min (open-field test). The heart rate responses to the open-field test were...

  6. Nest choice of laying hens: the effect of nest shape and quantity of straw

    Contributor(s):: Norgaard-Nielsen, G.

  7. Preference by sows for a partially enclosed farrowing crate

    Contributor(s):: Phillips, P. A., Fraser, D., Thompson, B. K.

    A preference testing apparatus was designed to give sows continuous access to 4 farrowing crates with different degrees of visual enclosure. A 'fully enclosed' crate had solid black panels on the sides and top of the crate, a 'solid-sided' crate had the side panels only and an 'open crate' had no...

  8. 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...

  9. Preferences of hens for shape and size of roosts

    Contributor(s):: Muiruri, H. K., Harrison, P. C., Gonyou, H. W.

    Two experiments were conducted to determine the shape and size of roost preferred by broiler breeder hens. The effect of roost position upon roosting frequency within the experimental chamber was also evaluated. Roosting behaviour was determined from time-lapse videotapes. In Experiment 1, hens...

  10. Previous experience with different floors influences choice of peat in a Y-maze by domestic fowl

    Contributor(s):: Petherick, J. C., Duncan, I. J. H., Waddington, D.

    Chicks of two strains of domestic fowl were reared on either floors of wire (wire reared) or concrete covered with wood shavings with access to peat (litter reared). At 13 weeks of age, the birds were given a choice of wire or peat in a Y-maze. The wire-reared birds tended to choose wire and the...

  11. Quantifying the environmental requirements of layer hens by behavioural demand functions

    Contributor(s):: Mathews, L. R., Temple, W., Foster, T. M., McAdie, T. M.

  12. Some problems with the concept of a cut-off point for determining when an animal's welfare is at risk

    Contributor(s):: Mendl, M.

  13. Suckling behaviour of piglets in relation to accessibility to the sow and the presence of foreign litters

    Contributor(s):: Pedersen, L. J., Studnitz, M., Jensen, K. H., Giersing, A. M.

    35 sows were distributed to 1 of 3 housing treatments. In treatment GS (group sows-separate piglets), 12 sows were in groups of 4 in a 'get-away system' where the sows could leave the piglets at their own will and where the litters were not able to compete for milk at foreign sows' udders. In...

  14. The effect of agonistic interactions on the heart rate of group-housed sows

    Contributor(s):: Marchant, J. N., Mendl, M. T., Rudd, A. R., Broom, D. M.

    The heart rates of 9 Large White x Landrace sows housed in a large group with an electronic sow feeder system, were monitored during agonistic interactions. Interactions were categorised into those involving physical contact and non-physical interactions involving threat only. Both were recorded...

  15. The effect of early exposure to the opposite sex on mate choice in White Leghorn chickens

    Contributor(s):: Leonard, M. L., Zanette, L., Clinchy, M.

    1000 female and 148 male Leghorn fowls were reared in all-female (140/pen), all-male (50/pen) or mixed pens (12 males and 140 females/pen). Males and females reared in mixed pens were separated at 18 weeks of age to prevent them from gaining adult sexual experience. Mate choice trials were...

  16. The effect of environment and stage of the oestrous cycle on the behaviour of dairy cows

    Contributor(s):: Phillips, C. J. C., Schofield, S. A.

    In a series of 4 experiments, behavioural changes during the perioestrous period of Friesian cows were studied. In the 1st experiment, conducted on 12 cows in cubicles, standing to be mounted was confined to the day of oestrus. Changes in time spent lying or standing in the cubicle or in the...

  17. The effect of environmental stimulation on the development of behaviour in pigs

    Contributor(s):: Petersen, V., Simonsen, H. B., Lawson, L. G.

    16 litters were reared in barren or enriched environments from birth to slaughter. Enriched pens contained straw, logs and branches, whereas barren pens contained no floor materials or objects. Piglets were weaned at 5 weeks of age. Behaviour was monitored during weeks 4, 7 and 18. Pigs in the...

  18. The effects of pen size on the behaviour of farmed red deer stags confined in yards

    Contributor(s):: Pollard, J. C., Littlejohn, R. P.

    40 red deer stags (2 years old) were confined for 40 min in large (5 m x 4 m) or small (2.5 m x 4 m) pens on 2 days in spring and summer. Wall pacing and vertical/horizontal head movements at the walls were more frequent in small pens than in large pens and were carried out by a greater...

  19. The influence of single or group housing of pregnant sows on farrowing and early postnatal behaviour of piglets

    Contributor(s):: Lutter, C., Hoy, S., Wahner, M., Puppe, B.

  20. The maintenance behaviour and cleanliness of pigs in two-tier weaner decks

    Contributor(s):: Lewis, N. J., Christison, G. I.

    Tiered weaner decks for pigs appear to have a major disadvantage because the faeces and urine from the pigs in the top pens drop through to the pigs in the lower pens. This may affect the well-being of these pigs and may cause the development of poor dunging habits. To determine the general...