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  1. Discrimination of colours and grey shades by Merino ewes: tests using coloured lambs

    Contributor(s):: Alexander, G., Stevens, D.

  2. Colour perception in fighting cattle

    Contributor(s):: Riol, J. A., Sanchez, J. M., Eguren, V. G., Gaudioso, V. R.

  3. Identification of key nest site stimuli for Japanese quail ( Coturnix japonica )

    Contributor(s):: Schmid, I., Wechsler, B.

    Groups of Japanese quail hens were housed in pens (2 x 1 x 0.5 m) with litter and access to a sand-filled dust bath and 4 nest boxes for 2 periods of 15 days. The type of nest boxes varied between the pens and the incidence of eggs laid outside the nest boxes was recorded. In experiment 1 (8...

  4. The influence of light intensity during early exposure to colours on the choice of nest colours by laying hens

    Contributor(s):: Zupan, M., Kruschwitz, A., Huber-Eicher, B.

    When alternative husbandry systems to battery cages are used, a problem may arise whereby eggs are not laid in the nests provided. This leads not only to economic loss, but may also promote the outbreak of cannibalism. However, the choosing of a nest involves complex behavioural patterns and may...

  5. Avoidance of dyed food by the northern bobwhite

    Contributor(s):: Mastrota, F. N., Mench, J. A.

    Since certain colours are aversive to birds, the authors suggest that it might be possible to use dyes to prevent birds from consuming agricultural seeds and pesticide granules. The effectiveness of 8 dyes in repelling food consumption in a gamebird, the northern bobwhite (Colinus virginianus),...

  6. Equine color perception revisited

    Contributor(s):: Pick, D. F., Lovell, G., Brown, S., Dail, D.

  7. Heritability of dominant-aggressive behaviour in English Cocker Spaniels

    Contributor(s):: Perez-Guisado, J., Lopez-Rodriguez, R., Munoz-Serrano, A.

    A total of 51 seven-week-old English Cocker Spaniel puppies were measured for dominant-aggressive behaviour using the Campbell Test. The dogs consisted of a F1 full sibs and half sibs from matings of 4 sires with 10 dams. The purpose of this study was to determine if the variability observed in...

  8. Maternal recognition in Gyr ( Bos indicus ) calves

    Contributor(s):: Murphey, R. M., Ruiz-Miranda, C. R., Duarte, F. A. de M.

    Gyr (Bos indicus) calves were studied in a milking shed where they were given the task of finding their biological mother among 46 cows tethered in two rows. Nearly all of the calves committed numerous errors. Younger calves were more likely than older ones to make incorrect discriminations....

  9. An investigation into the effect of floor colour on the behaviour of the horse

    Contributor(s):: Hall, C. A., Cassaday, H. J.

    Adverse reactions of the domestic horse to environmental stimuli can be problematic in training and management. Hesitation and alarm reactions to visual features of the ground can occur in both ridden work and when handling horses. To assess the effect of one visual feature (colour) on the...

  10. Pecking at string by individually caged, adult laying hens: colour preferences and their stability

    Contributor(s):: Jones, R. B., Carmichael, N. L.

    The responses of 45-week-old, individually caged laying hens (n=24) to differently coloured (white, yellow, orange, blue) bunches of string, presented singly on consecutive days, were examined. This procedure was repeated at 51 weeks of age in order to assess the stability of observed...

  11. Individual attributes as predictors of social status in small groups of laying hens

    Contributor(s):: Bradshaw, R. H.

    Physical traits (body weight, feather colour, comb size and comb colour) were investigated as predictors of social status (dominance, aggression and social interactiveness) in 4 groups each of 6 Ross Brown laying fowls. In the 1st group, there was a significant positive correlation between comb...

  12. The influence of drinker location and colour on drinking behaviour and water intake of newborn pigs under hot environments

    Contributor(s):: Deligeorgis, S. G., Karalis, K., Kanzouros, G.

    The effect of drinker location within the farrowing crate in relation to its microenvironment and the effect of dispenser colour on drinking behaviour and water intake of newborn pigs for the first two days of their lives were studied. In the first trial, 16 sows were randomly assigned to four...

  13. Dogs judge books by their covers

    Contributor(s):: Chamove, A. S.

    Some animals use warning coloration to frighten other animals. To see if animals respond to humans who wear clothing with animal-like warning patterns, 22 impounded dogs and 15 living in kennels were tested. Dogs responded more strongly primarily with submission to people wearing narrow, regular...

  14. Comparison of religious slaughter of sheep with methods that include pre-slaughter stunning, and the lack of differences in exsanguination, packed cell volume and meat quality parameters

    Contributor(s):: Anil, M. H., Yesildere, T., Aksu, H., Matur, E., McKinstryt, J. L., Erdogan, O., Hughes, S., Mason, C.

    UK legislation requiring pre-slaughter stunning has certain exemptions for religious slaughter. Supporters of both Muslim (Halal) and Jewish (Shechita) slaughter methods claim that the efficiency of the bleed out is adversely affected by stunning. In this study, electrical stunning followed by...

  15. Factors affecting time to adoption of dogs re-homed by a charity in the UK

    Contributor(s):: Diesel, G., Smith, H., Pfeiffer, D. U.

    The objective of this retrospective cohort study was to determine the factors affecting the time until adoption of dogs re-homed by Dogs Trust, a UK charity. There were 13,338 records included in the study, representing 11,663 dogs. Data were extracted from the Dogs Trust's database between...