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All Categories (221-240 of 2646)

  1. Positive Reinforcement Conditioning as a Tool for Frequent Minimally Invasive Blood and Vaginal Swab Sampling in African Lions (Panthera Leo)

    Contributor(s):: Callealta, Isabel, Lueders, Imke, Luther-Binoir, Ilse, Ganswindt, Andre

    Information regarding the physiology of African lions is scarce, mainly due to challenges associated with essential routine research procedures. The aim of this experiment was to test the possibility of training six captive lionesses by positive reinforcement conditioning (PRC) to voluntarily...

  2. Influence of the Competition Context on Arousal in Agility Dogs

    Contributor(s):: Carpenter, Alison M., Guy, Jonathan H., Leach, Matthew C.

    To determine whether participation in dog agility has an impact on canine arousal and welfare, this study aimed firstly to identify the effect of the competition context on arousal changes experienced by dogs, as distinct from purely physical participation in agility, and secondly to assess the...

  3. Development and Validation of Broiler Welfare Assessment Methods for Research and On-farm Audits

    Contributor(s):: Meyer, Meaghan M., Johnson, Anna K., Bobeck, Elizabeth A.

    Required auditing of on-farm broiler welfare in the United States has increased; however, a lack of validated tools exists for assessment of enrichment. National Chicken Council (NCC) guidelines were used on a subset of 300 Ross 308 broilers out of 1200 to validate and adapt welfare measures....

  4. Owners Frequently Report that They Reward Behaviors of Dogs by Petting and Praising, Especially When Dogs Respond Correctly to Commands and Play with Their Toys

    Contributor(s):: Rossi, Alexandre P., Maia, Caroline M.

    We characterized the reward patterns of dogs’ owners for the expression of desired behaviors of their pets through a questionnaire made available online on a social media page for 7 days (responses from over 66,676 owners). The questions were related to the type and frequency of rewards that pet...

  5. The effects of the Spanish COVID-19 lockdown on people, their pets and the human-animal bond

    Full-text: Available

    | Contributor(s):: Bowen, J., García, E., Darder, P., Argüelles, J., Fatjó, J.

    The purpose of this study was to investigate the effects of the Spanish confinement for the control of the COVID-19 pandemic on the behavior of pet cats and dogs, and the support that pets provided to their owners. We found that the quality of life of owners was strongly influenced by the...

  6. Relation between stockperson behavior toward cows in a holding area and milk yields

    | Contributor(s):: Saito, H., Seo, T.

  7. Temperament in Domestic Cats: A Review of Proximate Mechanisms, Methods of Assessment, Its Effects on Human-Cat Relationships, and One Welfare

    | Contributor(s):: Travnik, I. C., Machado, D. S., Gonçalves, L. D. S., Ceballos, M. C., Sant'Anna, A. C.

  8. Veterinary Behavior: Assessment of Veterinarians' Training, Experience, and Comfort Level with Cases

    | Contributor(s):: Kogan, L. R., Hellyer, P. W., Rishniw, M., Schoenfeld-Tacher, R.

  9. The effects of a therapy dog vs mindfulness vs a student advisor on student anxiety and well-being

    | Contributor(s):: Spruin, E., Dempster, T., Islam, S., Raybould, I.

  10. Effects of horn status on behaviour in fattening cattle in the field and during reactivity tests

    | Contributor(s):: Reiche, Anna-Maria, Dohme-Meier, Frigga, Claudia Terlouw, E. M.

    Disbudding is in the short-term invasive and needs pharmacological pain treatment but it facilitates animal management. The present study investigates the longer-term consequences on behaviour to evaluate possible effects on animal welfare. Experiment 1 (E1) used 81 bulls up to the age of 12 and...

  11. Genetic component of cannibalism in Asian seabass Lates Calcarifer

    | Contributor(s):: Pham, Van Khang, Truong, Ha Phuong, Nguyen, Dat Khac, Nguyen, Nguyen Hong

    Cannibalism in the early phase of growth development has been a major concern for marine finfish, including Asian seabass Lates calcarifer, as it is one of the key factors determining economic return of commercial hatcheries. This study thus explored genetic variation in cannibalism through...

  12. Brown and white egg-layer strain differences in fearfulness and stress measures

    | Contributor(s):: Nelson, Jill R., Settar, Petek, Berger, Emily, Wolc, Anna, O’Sullivan, Neil, Archer, Gregory S.

    Different genetic lines of laying hens may show varying levels of fearfulness in response to stressful events or situations. It is important to select appropriate genetic strains when keeping hens in alternative housing systems to minimize health and production issues caused by fear and stress....

  13. Caring for the horse in a cold climate—Reviewing principles for thermoregulation and horse preferences

    | Contributor(s):: Mejdell, Cecilie M., Bøe, Knut Egil, Jørgensen, Grete H. M.

    In the Nordic countries, permanent outdoor housing of horses in winter is gaining popularity. This practice will expose the horses to harsh weather conditions. However, horses that are kept indoors at night and turned out in the cold during daytime also experience thermoregulatory challenges....

  14. Mid- and late-pregnancy ewe shearing affects lamb neonatal reactivity and vigour

    | Contributor(s):: Labeur, Léa, Small, Alison H., Hinch, Geoff N., McFarlane, James R., Schmoelzl, Sabine

    Poor lamb survival is an important production and welfare issue, and the lamb must express complex behaviours to successfully transition to life ex-utero. Even under best management practices, sheep husbandry events, such as shearing, yarding and transport can be stressful for animals, and when...

  15. Conditioned aversion in kea to cereal bait: A captive study using anthraquinone

    | Contributor(s):: Nichols, Margaret, Bell, Phil, Mulgan, Nick, Taylor, Alexander

    The kea (Nestor notabilis, plural kea), an alpine parrot endemic to New Zealand’s South Island, is endangered by introduced mammalian predators. Aerially deployed 1080 (sodium fluoroacetate) toxin in cereal baits is an important tool in the control of mammalian pest species in New Zealand. Kea...

  16. Behavioural variation among divergent European and North American farmed and wild Atlantic salmon (Salmo salar) populations

    | Contributor(s):: Islam, Shahinur S., Wringe, Brendan F., Bradbury, Ian R., Fleming, Ian A.

    Animals often display consistent differences in behaviours across situations and contexts. However, little is known about how behavioural traits might vary in a context-dependent manner, with selection favouring correlated sets of behaviours in particular types of environments. Comparative...

  17. Dyadic affiliative preferences in a stable group of domestic pigs

    | Contributor(s):: Goumon, Sébastien, Illmann, Gudrun, Leszkowová, Iva, Dostalová, Anne, Cantor, Mauricio

    Social preferences in pigs have received little attention despite the welfare implication of providing an adequate social environment for farm animals. We investigated the extent to which domestic pigs show affiliative preferences in three behavioural contexts—rest, exploration, social nosing—and...

  18. Using acoustic telemetry to assess behavioral responses to acute hypoxia and ammonia exposure in farmed rainbow trout of different competitive ability

    | Contributor(s):: Gesto, Manuel, Zupa, Walter, Alfonso, Sébastien, Spedicato, Maria Teresa, Lembo, Giuseppe, Carbonara, Pierluigi

    As other vertebrates, fish differ on an individual basis in their responses to disturbance (i.e. stress) and in their capacity for adaptation to environmental change. This individual stress-coping style (SCS) might have an impact on the individual welfare in aquaculture facilities. However, most...

  19. The opening of a hinged farrowing crate improves lactating sows’ welfare

    | Contributor(s):: Ceballos, Maria Camila, Góis, Karen Camille R., Parsons, Thomas D.

    Concerns about the welfare of lactating sows housed in farrowing crates have emerged because crates physically restrict the sows and possibly compromise their behavior and comfort. The aim of this study was to identify how the opening of a hinged farrowing crate on different days (4 or 7)...

  20. Management of Pet Cats: The Impact of the Cat Tracker Citizen Science Project in South Australia

    Full-text: Available

    | Contributor(s):: Philip Roetman, Hayley Tindle, Carla Litchfield

    Domestic cats (Felis catus) are popular pets worldwide and play an important role in the lives of many of their owners; however, there is growing awareness of the potential negative impacts of cats. Accordingly, there is increasing interest in pet cat management, including changing the...