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  1. Effects of group size on behaviour, growth and occurrence of bite marks in farmed mink

    The aims of this study were to investigate the occurrence of stereotypic behaviours and the activity level in farmed mink when group housed in climbing cages and if group housing increase aggression by assessing the prevalence of bite marks. This was studied in juvenile mink of the colour types...

  2. Towards a taxonomy of stereotypic behaviours in the American mink (Neovison vison), a model Carnivore: Homogeneous or heterogeneous?

    Stereotypic behaviours (SBs) are sometimes assumed homogeneous, despite their diverse morphologies, as if sharing a common aetiology. However, if different SB forms are instead heterogeneous, they may have different causes, potentially impacting how best to prevent or manage them. We therefore...

  3. Gradual weaning during an extended lactation period improves performance and behavior of pigs raised in a multi-suckling system

    We studied effects of two weaning procedures on the development of pigs raised in a multi-suckling (MS) system with five sows and their litters. One MS group was subjected to a gradual weaning treatment during a lactation period of 9 wk, which included forced intermittent-suckling (IS) for 10h/d...

  4. Behaviour, stress and welfare of Sprague Dawley rats (Rattus norvegicus) on diet board feeding for 24 months

    Diet board (DB) feeding aims to reduce the health hazards associated with ad libitum (AL) feeding. Rats have to gnaw wood to detach food from the DB, reducing their food consumption. We studied the welfare effects of DB by measuring faecal corticosterone metabolites (FCM), elevated plus-maze...

  5. Behavioural response of dairy goat kids to cautery disbudding

    Behavioural changes associated with cautery disbudding of female Saanen dairy goat kids were assessed. At 4±2days of age, kids were randomly assigned to one of two treatment groups: (i) disbudded with a cautery iron (CAUT, n=5) and (ii) sham handled and not disbudded (SHAM, n=5). Animals were...

  6. Behavior changes associated with lameness in sows

    Lameness is a common health and welfare problem in sows. Little has been published about behavioral changes in lame sows. Ketoprofen is an effective non-steroidal anti-inflammatory drug used to treat non-infectious locomotor disorders in pigs. The aim of this study was to determine the effect of...

  7. Effects of confinement duration and parity on behavioural responses and the degree of psychological fear in pregnant sows

    The aim of this study was to evaluate the effects of space restriction stress on the behavior of different parity sows, and it is necessary to understand such effects due to space restriction to improve the welfare of the sows in confined conditions. We selected 264 pregnant sows (Large White) at...

  8. Emotional states and emotional contagion in pigs after exposure to a positive and negative treatment

    After-effects of events that elicit an emotional state on both the animals that experienced these events and on their group members have only scarcely been studied. We investigated effects of a positive vs. negative treatment on the behaviour and emotional state of pigs and their naive pen mates...

  9. Social bonds in a flock bird: Species differences and seasonality in social structure in captive flamingo flocks over a 12-month period

    Social network analysis (SNA) is a popular tool for investigating key components of sociality in free-living populations, and is growing in its application to captive animal systems. For social species held in captivity, welfare may be improved if protocols for care take key aspects of sociality...

  10. The application of learning theory in horse training

    The millennia-old practices of horse training markedly predate and thus were isolated from the mid-twentieth century revelation of animal learning processes. From this standpoint, the progress made in the application and understanding of learning theory in horse training is reviewed including a...

  11. Indicators of stress in equitation

    Stress is a generic concept describing the body’s reaction to external stimuli, including both physiological and psychological factors. Therefore, by definition, the assessment of psychological stress in the exercising horse encompasses the problem of teasing apart the psychological and...

  12. Application of learning theory in horse rescues in England and Wales

    In England and Wales the welfare of animals, including horses, is protected by the Animal Welfare Act 2006. Welfare agencies play a role in the investigation of equine welfare concerns and catching, containing, transporting and boarding (caring for) horses that have been rescued. Horses regularly...

  13. Applied neurophysiology of the horse; implications for training, husbandry and welfare

    Understanding the neural circuits underlying equine behaviour has the potential to help optimise strategies of husbandry and training. This review discusses two areas of neurophysiological research in a range of species and relates this information to the horse. The first discussion focuses on...

  14. The role of the ethogram in equitation science

    The development of a comprehensive ethogram that could be used to record the behaviour of the ridden horse in a range of different scenarios would provide a valuable resource for researchers within equitation science. However, the relevance of the behaviours included in such an ethogram and...

  15. Chimpanzees with positive welfare are happier, extraverted, and emotionally stable

    Facilities housing captive animals are full of staff who, every day, interact with the animals under their care. The expertise and familiarity of staff can be used to monitor animal welfare by means of questionnaires. It was the goal of our study to examine the association between chimpanzee (Pan...

  16. Effects of captivity on house mice behaviour in a novel environment: Implications for conservation practices

    Captive breeding programmes offer a method for preventing the extinction of threatened species, but often have difficulty establishing self-sustaining populations and generating individuals for release. This difficulty can arise because the behaviour of captive-reared animals differs from wild...

  17. Impact of analgesic drugs on the behavioural responses of larval zebrafish to potentially noxious temperatures

    Recent studies have demonstrated that fish exhibit behavioural responses to noxious stimuli, including mechanical, chemical or thermal stimulation. In many cases, these responses are characterised by a reduction in the locomotor activity, which in turn can be ameliorated by using appropriate...

  18. Assessment of fear-related behaviours displayed by companion dogs (Canis familiaris) in response to social and non-social stimuli

    Dogs that experience fear in response to everyday stimuli are likely to have reduced welfare, and are at a higher risk for the development of behaviour problems. To properly investigate the causes and consequences of canine fear it is important to correctly identify affected individuals. The aim...

  19. Preliminary evaluation on the effectiveness of varying doses of supplemental tryptophan as a calmative in horses

    Tryptophan (Trp), the amino acid precursor to serotonin, is a common ingredient in many commercial equine calming supplements. However, there is little scientific research to support the efficacy of tryptophan at modifying horse behavior. The objective of this study was to examine how various...

  20. Associations between the dominance status and sexual development, skin lesions or feeding behaviour of intact male pigs

    In boars, social relationships could influence pubertal development and feeding behaviour. The objectives of the present study were to determine the relationships between behaviour (agonistic, mounting and feeding behaviours), plasma sex steroids (oestradiol, testosterone) and fat androstenone. A...