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  1. A note on genetic parameters of gilt responses to humans

    Contributor(s): Hellbrugge, B., Tolle, K. H., Presuhn, U., Krieter, J.

    In this study, a response test towards a stockperson was evaluated for improved maternal behaviour and increased piglet survival. Records were available from 638 German Landrace gilts with 860 observations tested for the response to an observer in the familiar environment of the mating centre....

  2. A note on hair whorl position and cattle temperament in the auction ring

    Contributor(s): Lanier, J. L., Grandin, T., Green, R., Avery, D., McGee, K.

    The objective of this study was to further describe the relationships between facial hair whorls and temperament in cattle. Cattle (n=1636) from 6 commercial cattle auctions in Colorado and Texas, USA [date not given] were observed. Whorl location was classified according to lateral position...

  3. A note on measurement of injection aversiveness

    Contributor(s): Grandin, T., Maxwell, K., Lanier, J.

    The behavior of cattle during an injection of doramectin 1% injectable solution or ivermectin 1% injectable solution in an attempt to measure small differences in aversiveness in 61 red Angus-cross, 2-year-old heifers. Each animal was held in a squeeze chute and given a 9 ml s.c. injection of...

  4. A note on possible link between behaviour and the occurrence of lameness in dairy cows

    Contributor(s): Galindo, F., Broom, D. M., Jackson, P. G. G.

    Possible relationships between social behaviour, individual time budgets and the incidence of lameness were investigated in 40 dairy cows. The incidence of lameness in the group of cows was 42

  5. A note on sheltering behaviour by ewes before and after lambing

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

    The effects of lambing and lamb rearing on sheltering behaviour was investigated in multiparous Romney x Perendale crossbred ewes with either 9 (5 ewes) or 3 months (5) of wool growth during daylight hours for 6 weeks over the lambing period, in a pasture with little vegetative shelter but with a...

  6. A note on simulating the 'observer effect' using constant photoperiod on nursery pigs

    Contributor(s): Lay, D. C., Jr., Buchanan, H. S., Haussmann, M. F.

    Often, researchers using video cameras to record animal behaviour must resort to illuminating the environment to obtain data during the night hours. This study was designed to determine if the behaviour of pigs is altered by constant illumination. Pigs (24+or-0.95 days of age, 5.58+or-0.18 kg)...

  7. A note on the behavior of feral cattle in the Chihuahuan Desert of Mexico

    Contributor(s): Hernandez, L., Barral, H., Halffter, G., Colon, S. S.

    Habitat use and behaviour of three feral cows were compared to three domestic cows in the Mapimi Biosphere Reserve, Chihuahuan Desert, where approximately 1000 feral cows were found on 151 000 ha. Feral cattle were found to represent an ecotype adapted to desert conditions. In comparison with...

  8. A note on the effect of controlling stable flies ( Stomxys calcitrans ) in the resting activity and pen distribution of dairy cows

    Contributor(s): Vitela, I., Cruz-Vazquez, C., Orihuela, A.

    This study investigated the effect of controlling stable flies (Stomoxys calcitrans) on the number of dairy cows lying down and their pen distribution. The study randomly assigned 80 Holstein cows to 1 of 2 groups. The treated group (T) included cows individually sprayed with insecticide when...

  9. A note on the effect of gestation housing environment on approach test measures in gilts

    Contributor(s): Marchant-Forde, J. N., Bradshaw, R. H., Marchant-Forde, R. M., Broom, D. M.

    Systems' welfare evaluation, including behavioural testing, is becoming increasingly popular in farm animal assurance schemes. The aims of this study were to investigate whether fairly short-term exposure to gestation housing systems, which varied in physical, environmental and human-input...

  10. A note on the effect of handling quality prior to mixing on behaviour at mixing in pigs

    Contributor(s): Mendl, M., Young, S., Lawrence, A. B.

    Previous research has raised the possibility that levels of aggression between pigs may be influenced by their state of arousal and excitement at the time of mixing. This may, in turn, be affected by factors such as the way in which pigs are handled prior to mixing. We attempted the first...

  11. A note on the effect of individual housing conditions on LH secretion in ewes after exposure to a ram

    Contributor(s): Abecia, J. A., Forcada, F., Zuniga, O.

    To determine whether it is feasible to use the stimulus of exposure to a ram to induce sexual activity in individually housed ewes, 33 adult anoestrous ewes were randomly allocated to two treatments: Group 1, n=20, housed in individual pens, with a ram's pen situated between every two ewes...

  12. A note on the effect of isolation during testing and length of previous confinement on locomotor behaviour during open-field test in dairy calves

    Contributor(s): Jensen, M. B.

    This study investigated firstly if confined calves perform more locomotor behaviour when open-field tested in pairs than when tested individually, and secondly if length of confinement affects the build-up of motivation to perform locomotor behaviour. In the first experiment, 14 calves were...

  13. A note on the effects of additional sow gruntings on suckling behaviour in piglets

    Contributor(s): Kasanen, S., Algers, B.

    The aim of this project was to determine if it is possible to stimulate suckling in piglets kept with their mother to suck by exposing them to a recorded grunting of a sow, and if so, to study if they act normally when their own mother is grunting. Finally, we wanted to find out how the piglets...

  14. A note on the effects of forward and rear-facing orientations on movement of horses during transport

    Contributor(s): Toscano, M. J., Friend, T. H.

    Several studies have attempted to determine the effects of orientation on a horse's ability to maintain balance during transportation. The results have often been contradictory because of differences in trailer design and lack of simultaneous comparisons. In this study, three replications of two...

  15. A note on the influence of starting position, time of testing and test order on the backtest in pigs

    Contributor(s): Erp-van der Kooij, E. van, Kuijpers, A. H., Eerdenburg, F. J. C. M. van, Tielen, M. J. M.

    The backtest determines the coping behaviour of a piglet in a standardized stress situation, which might be a measure for the coping style of that animal. Backtest results are related to other parameters such as immune responses and production. In this study, the backtest was standardized and it...

  16. A note on the relationship between the behavioural response of lactating sows to humans and the survival of their piglets

    Contributor(s): Hemsworth, P. H., Pedersen, V., Cox, M., Cronin, G. M., Coleman, G. J.

    The objective of this study was to examine the relationships, based on unit averages, between the behavioural responses of lactating sows to humans and the performance of sows in 25 farrowing units at a large commercial farm. The behavioural responses of 25 sows in each farrowing unit were...

  17. A note on the use of behavioural modification to aid clipping ponies

    Contributor(s): Gough, M. R.

    The aversion of 6 ponies to electric clippers used on their necks were recorded. The ponies were then subjected to the noise of clippers daily while being fed for 2 weeks. One group was subjected to the sight and noise of the clippers, the other group to a tape recording of the clipper noise in...

  18. A note on using a laser-based technique for recording of behaviour and location of free-ranging animals

    Contributor(s): Fehmi, J. S., Laca, E. A.

    We developed a precise, remote (up to 300 m) observation system to record animal location and behaviour that requires no animal handling or disruption of the normal environment. Our system, combining a survey laser and a laptop, also allows recording of observed animal behaviour from seconds to...

  19. A note on visual, olfactory and spatial cue use in foraging behavior of pigs: indirectly assessing cognitive abilities

    Contributor(s): Croney, C. C., Adams, K. M., Washington, C. G., Stricklin, W. R.

    The micro pig's (Sus scrofa) ability to use visual, olfactory and spatial cues to locate a food resource in a novel environment was investigated. In Experiment 1, four castrated male pigs were trained to identify a food resource - one of two plastic flower-pots placed within a 12.8 m x 6.7 m...

  20. A novel approach to systematically compare behavioural patterns between and within groups of horses

    Contributor(s): Ellis, Andrea D., Stephenson, Melissa, Preece, Michaela, Harris, Pat

    This study piloted a multiple aspect approach to assess differences or changes in equine behaviour, using physiological (heart rates – HR, salivary cortisol – SC) and behavioural measures in various routine (feed-time, riding, turning out) and test situations (novel situation tests NS: 2×...