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  1. Animal-assisted therapy with a group of young children with social problems

    Contributor(s):: Schneider, Stanley, Schneider, Chana

  2. The influence of an animal on social interactions of nursing home residents in a group setting

    Contributor(s):: Fick, K. M.

  3. Enrichment effects on rhesus monkeys successively housed singly, in pairs, and in groups

    | Contributor(s):: Schapiro, S. J., Bloomsmith, M. A., Porter, L. M., Suarez, S. A.

    Many studies have examined the short-term effects of inanimate environmental enrichment on the behavior of captive primates. Similarly, numerous studies have examined the behavioral effects of manipulations to the social environment. Few analyses have examined the long-term effects of inanimate...

  4. Selection of mating partners in boars and sows under multi-sire mating

    | Contributor(s):: Tanida, H., Miyazaki, N., Tanaka, T., Yoshimoto, T.

    In the 1st of 2 experiments on a commercial farm, 3 sire groups and 9 sow groups were used to study courtship behaviour between boars and sows. The flow diagram of the behaviours, constructed by sequence analysis, revealed that nosing by boars played an important role in inducing sows to stand...

  5. Effect of individual housing on the feeding behaviour of previously group housed growing pigs

    | Contributor(s):: Nielsen, B. L., Lawrence, A. B., Whittemore, C. T.

    30 male crossbred pigs (body weight 29.3 kg) were housed in groups of 10 for 14 days (period 1) with ad libitum access to 1 computerized single-space feeder per group. Four pigs were chosen from each group; 2 pigs showing a high feeding frequency (H pigs: 18.9 visits/day) and 2 showing a low...

  6. Farming beyond the ability for pigs to adapt

    | Contributor(s):: Putten, G. van

    Examples are given of situations in practical pig farming to which pigs cannot adapt. Preliminary results are given from computer-controlled group-housing of sows, and future developments are discussed. It is concluded that although there has been a great deal of research into farm animal...

  7. Integration of newly introduced and resident sows following grouping

    | Contributor(s):: Moore, A. S., Gonyou, H. W., Ghent, A. W.

    Behavioural observations were conducted on 3 groups (replicates) of 40 crossbred female pigs (10-21 days post-coitum) to determine the duration of social isolation of newly introduced animals, following introduction into a previously established group. Each group comprised 30 'resident' animals,...

  8. 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...

  9. The effect of group composition on the welfare of African catfish ( Clarias gariepinus )

    | Contributor(s):: Martins, C. I. M., Schrama, J. W., Verreth, J. A. J.

    Within fish farming grading, i.e. the process of sorting to approximate size, changes the group composition from heterogeneous to homogeneous. Although this procedure is considered an acute stressor, the long-term consequences of grading on aggression and stress levels have not yet been...

  10. The effects of long-term individual vs. group housing on the sexual behavior of beef bulls

    | Contributor(s):: Price, E. O., Wallach, S. J. R., Silver, G. V.

    Hereford bulls which had been hand reared from birth and maintained in individual (N=7) or group pens (N=9) until testing at 19 months of age were given sexual performance tests 2 to 3 days apart which consisted of exposing individual bulls to 3 restrained oestrous females for 40 minutes....

  11. 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...

  12. Early experience affects developmental behaviour and timing of harem formation in Misaki horses

    | Contributor(s):: Khalil, A. M., Kaseda, Y.

  13. How does former acquaintance affect aggressive behaviour in repeatedly mixed male and female pigs?

    | Contributor(s):: Giersing, M., Andersson, A.

    Four replicates of 100 pigs (half entire males, half females) were weaned at 4 weeks and kept in litters until 8 weeks, when they were randomly allocated to 10 pens of 10 pigs each. Random regrouping took place 4 times at 4-week intervals. In weeks 2-4 of each mix-period, aggressive behaviour was...

  14. Productivity, time budgets and social aspects of eating in pigs penned in groups of five or individually

    | Contributor(s):: Gonyou, H. W., Chapple, R. P., Frank, G. R.

    The productivity and behaviour of growing and finishing pigs penned in groups of 5 or individually were studied. 160 pigs, 80 male and 80 female, were alloted within sex to 20 pens of 5 animals and 60 individual pens. Pigs were transferred to larger pens after 4 weeks of the 10-week study. Gain,...

  15. Spacing behaviour and an ethological approach to assessing optimum space allocations for groups of laying hens

    | Contributor(s):: Keeling, L.

  16. Consequences of reduction of number of individual feeders on feeding behaviour and stress level of feedlot steers

    | Contributor(s):: Corkum, M. J., Bate, L. A., Tennessen, T., Lirette, A.

    Hereford steers, average weight 230+or-23 kg, in a 28-day trial period, had access to an individual electronically controlled Calan Broadbent feeder or to 3 or 4 feeders (groups A, B and C, respectively). The steers were fed grass legume silage ad libitum with fresh silage added 4 times daily. 24...

  17. Effects of composition and density of the group on the performance, behaviour and age at puberty in swine

    | Contributor(s):: Clark, J. R., Bell, R. W., Tribble, L. F., Lennon, A. M.

    218 crossbred pigs (Duroc-Hampshire-Landrace-Yorkshire) were assigned to a 2 x 3 factorial experiment, the factors being group composition and density. The group-composition factor consisted of pigs not re-aggregated (group 1), re-aggregated below the median body weight (group 2), and...

  18. Effects of grouping unfamiliar adult pigs after dark, after treatment with amperozide and by using pens with stalls, on aggression, skin lesions and plasma cortisol concentrations

    | Contributor(s):: Barnett, J. L., Cronin, G. M., McCallum, T. H., Newman, E. A., Hennessy, D. P.

    The effects of methods previously shown to reduce aggression were determined following grouping of 4 unfamiliar, adult ovariectomized pigs. There were 4 treatments involving 24 pigs in 6 replicates: (i) Control; (ii) Stall, in which there were 4 partial stalls used for feeding; (iii) Amperozide...

  19. Social rank and feeding behaviour of group-housed sows fed competitively or ad libitum

    | Contributor(s):: Brouns, F., Edwards, S. A.

    Four groups of 12 multiparous sows housed in straw bedded pens were allocated to 1 of 2 feeding regimens and remained on treatment throughout gestation. Two groups were floor-fed 3.0 kg per sow of a conventional diet (13.1 MJ (DE) kg-1) once daily, the other 2 groups received a high-fibre diet...

  20. The effect of group composition on behaviour and performance of weaned pigs

    | Contributor(s):: Blackshaw, J. K., Bodero, D. A. V., Blackshaw, A. W.

    Three methods of grouping piglets at weaning (30-33 days of age) into a 12-member weaned pool were studied, viz. 6 pigs from 2 litters, 4 pigs from 3 litters, and 3 pigs from 4 litters. Each method had 3 replicates, and the body weight range at weaning was 7.3-9.9 kg. There were no significant...