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Tags: Dominance + Aggression

All Categories (1-20 of 36)

  1. Canine Dominance Aggression Towards People

    Contributor(s):: Cathy Taphorn, Donald D. Draper

    A common and potentially serious behavioral problem confronting pet owners and the sn1all animal practitioner is aggression. Of the several types of aggression, dominance aggression is the most common. Over one million people a year are bitten by dogs in the United States alone. 

  2. Using fecal hormonal and behavioral analyses to evaluate the introduction of two sable antelope at Lincoln Park Zoo

    Contributor(s):: Loeding, E., Thomas, J., Bernier, D., Santymire, R.

    Introductions of sable antelope (Hippotragus niger) can be difficult due to the potential ensuing aggression compounded by their large horns. The goal was to use hormonal assays and behavioral analyses to evaluate the success of an introduction of 2 adult females at Lincoln Park Zoo. The...

  3. Environmental enrichment and social rank affects the fear and stress response to regular handling of dairy goats

    Contributor(s):: Miranda-de la Lama, G. C., Pinal, R., Fuchs, K., Montaldo, H. H., Ducoing, A., Galindo, F.

  4. Canine aggression toward familiar people: a new look at an old problem

    Contributor(s):: Luescher, A. U., Reisner, I. R.

  5. Effect of different rearing systems and pre-kindling handling on behaviour and performance of rabbit does

    Contributor(s):: Mugnai, C., Bosco, A. dal, Castellini, C.

    The aim of this study was to ascertain how collective cage and pre-kindling handling (training does to go into their own nest) practices, in comparison to standard housing (single cage rearing), modify the behaviour and the performance of rabbit does. To this aim, 40 nulliparous New Zealand White...

  6. 'subordination style' in pigs? The response of pregnant sows to mixing stress affects their offspring's behaviour and stress reactivity

    Contributor(s):: Ison, S. H., D'Eath, R. B., Robson, S. K., Baxter, E. M., Ormandy, E., Douglas, A. J., Russell, J. A., Lawrence, A. B., Jarvis, S.

    In various mammals stress during gestation can result in long term effects on the behaviour and physiology of the offspring. The aims of this study were (i) to characterise individual variation among primiparous sows (gilts) in their behavioural and physiological response to a commercially...

  7. Canine dominance-associated aggression: concepts, incidence, and treatment in a private behavior practice

    Contributor(s):: Cameron, D. B.

    A review of 35 dominance-associated aggression (DA) cases presented to a small, private, behaviour-only veterinary practice revealed that attention addiction was the most commonly associated (66

  8. Effects of a running wheel-igloo enrichment on aggression, hierarchy linearity, and stereotypy in group-housed male CD-1 (ICR) mice

    Contributor(s):: Howerton, C. L., Garner, J. P., Mench, J. A.

    Environmental enrichment is an important strategy to improve the welfare of laboratory animals. Running wheels might serve as enrichment devices for laboratory mice, since mice use them extensively when they are provided. However, competition among group-housed mice for such highly preferred...

  9. Group housing of adult silver fox ( Vulpes vulpes ) vixens during autumn and its consequences for body weight, injuries and later reproduction: a field study

    Contributor(s):: Hovland, A. L., Bakken, M.

    Usually, farmed silver foxes are housed singly throughout adulthood. Due to the flexible social nature of wild foxes social grouping may act as an alternative housing procedure for adult vixens. However, sociality may involve increased levels of aggression during competition for e.g. dominance...

  10. Predictors of social dominance and aggression in gilts

    Contributor(s):: Drickamer, L. C., Arthur, R. D., Rosenthal, T. L.

    Factors affecting social dominance and rates of aggression in gilts housed in breeding groups were examined in 16 groups of varying sizes. Each group was observed during feeding for 30-60 minutes on each of 4-6 mornings in the first 2 weeks after grouping. Two dependent variables were calculated,...

  11. Preference for the presence of substrate in male cichlid fish: effects of social dominance and context

    Contributor(s):: Galhardo, L., Almeida, O., Oliveira, R. F.

    Many cichlid species dig spawning pits or nests in soft bottoms and exhibit many substrate oriented activities. Despite this fact being of general knowledge, captive cichlids in laboratory and aquaculture set-ups are often kept in the absence of a soft substrate that they can manipulate. This...

  12. The effect of a fixed or free toy on the growth rate and aggressive behaviour of weaned pigs and the influence of hierarchy on initial investigation of the toys

    Contributor(s):: Blackshaw, J. K., Thomas, F. J., Lee, J.

    Thirty two groups (12 pigs per group; 14 groups all female, 16 groups all male, 2 groups mixed) of 4- to 5-week old Large WhitexLandracexDuroc weaners were randomly assigned to 1 of 4 treatments (eight groups per treatment): (1) control group with no toys; (2) fixed toy only, hanging from the...

  13. The effects of social exchange between two groups of lactating primiparous heifers on milk production, dominance order, behavior and adrenocortical response

    Contributor(s):: Hasegawa, N., Nishiwaki, A., Sugawara, K., Ito, I.

    The effects of social hierarchy disturbance by management practice on behaviour and performance of lactating Holstein heifers in a dairy herd in Japan were investigated from 15 October to 10 November 1990. Two groups of 51 primiparous heifers in mid-lactation were used. Almost 50% of the heifers...

  14. The effect of environmental enrichment on play behaviour in white-lipped peccaries ( Tayassu pecari )

    Contributor(s):: Nogueira, S. S. C., Soledade, J. P., Pompeia, S., Nogueira Filho, S. L. G.

    Herds of white-lipped peccary (Tayassu pecari) have historically been kept in captivity in order to replace stocks lost to hunting however the lack of knowledge regarding their species-typical behaviour remains an impediment to understanding their captive needs. Environmental enrichment has been...

  15. How Can Animal Studies Contribute to Research on the Biological Bases of Personality?

    Contributor(s):: Mehta, Pranjal H., Gosling, Samuel D.

  16. Prevention and amelioration of stress and consequences of interaction between children and dogs

    Contributor(s):: Riegger, M. H., Guntzelman, J.

  17. Thoughts on canine dominance aggression

    Contributor(s):: Weiss, T.

  18. Characteristics, treatment, and outcome of 99 cases of aggression between dogs

    Contributor(s):: Sherman, C. K., Reisner, I. R., Taliaferro, L. A., Houpt, K. A.

    99 cases of aggression between dogs treated at the Animal Behaviour Clinic at Cornell University between 1983 and 1993 were analysed. In 73 cases the aggression was a conflict between dogs in the same household, whereas in 26 cases the aggression was directed at non-household dogs. 71% of the...

  19. Social experience, behaviour, stress and health in guinea pigs

    Contributor(s):: Sacsher, N.

  20. 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...