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  1. 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...

  2. 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...

  3. 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...

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

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

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

    Contributor(s):: Mendl, M.

  6. 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...

  7. 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...

  8. 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...

  9. 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...

  10. 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...

  11. 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...

  12. 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.

  13. 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...

  14. Use of nest boxes by young farmed silver foxes ( Vulpes vulpes ) in autumn

    Contributor(s):: Mononen, J., Harri, M., Rekila, T., Korhonen, H., Niemela, P.

    A standard wire-mesh cage (length 112 cm x width 107 cm x height 70 cm) with a wooden nest box was provided to juvenile silver foxes. The extent to which the nest boxes (dimensions of the main chamber 40 cm x 40 cmx 40 cm; or diameter 38 cm, height 32 cm) were used by 36 foxes kept in pairs and 8...

  15. Use of pen space by broiler chickens: effects of age and pen size

    Contributor(s):: Newberry, R. C., Hall, J. W.

    An experiment was conducted to investigate the effects of age and pen size on the use of pen space by male broiler chickens. The locations of 18 marked chickens in a large pen (407 msuperscript 2 with 3040 birds) and 10 in each of two small pens (203.5 msuperscript 2 with 1520 birds) were...

  16. A comparison of the effects of two oestrus detection procedures and two housing systems on the oestrus detection rate of female pigs

    Contributor(s):: Hemsworth, P. H., Winfield, C. G., Barnett, J. L., Schirmer, B., Hanse, C.

    In the 1st experiment, high oestrus detection rates (percentage of cycling gilts that were detected in oestrus) were achieved when cycling gilts which were kept near (but not adjacent to) boars, were checked for oestrus using either the back-pressure test (BPT) in close proximity to boars or a...

  17. A quantitative analysis of social behaviour of different crossbreds of dairy cattle kept in loose housing and its relationship to productivity

    Contributor(s):: Jezierski, T. A., Podluzny, M.

    The social behaviour of Polish Black-and-White dairy cattle (BW) was compared with that of the F1-crossbreds of BW with Jersey (BW x J), Ayrshire (BW x Ay), Holstein-Friesian (BW x HF) and Swedish Black-and-White (BW x SLB). The crossbreds BW x J proved to be most aggressive, excitable and...

  18. Behaviour of dairy cows kept in extensive (loose housing/pasture) or intensive (tie stall) environments 1. Experimental procedure, facilities, time budgets - diurnal and seasonal conditions

    Contributor(s):: Krohn, C. C., Munksgaard, L., Jonasen, B.

    Twelve dairy cows were placed in a stimuli-rich environment, a 'dairy cow park', for 2.5 years. The 'park' consisted of an extensive barn with deep bedding, a yard and a pasture. The cows were milked and fed twice a day in the barn, but had free access to the whole area at all times. During the...

  19. Behaviour of dairy cows kept in extensive (loose housing/pasture) or intensive (tie stall) environments. II. Lying and lying-down behaviour

    Contributor(s):: Krohn, C. C., Munksgaard, L.

    Twenty-four pairs of monozygotic twin dairy cows (Danish Friesian and Red Danish) were assigned to 4 groups of 12 in a balanced incomplete block design. Group E: loose housing, free access to feeding table, deep bedding, a yard and pasture, milking twice a day. Group N: tie stall, concrete floor...

  20. Behaviour of dairy cows kept in extensive (loose housing/pasture) or intensive (tie stall) environments. III. Grooming, exploration and abnormal behaviour

    Contributor(s):: Krohn, C. C.

    24 pairs of monozygotic twin dairy cows (Danish Friesian and Red Danish) were assigned to 4 groups of 12 in a balanced incomplete-block design. Group E: loose housing; ad lib. access to feeding table; deep bedding; a yard and pasture; and milking twice a day. Group N: tie stall; concrete floor...