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  1. Utilitarianism for animals, Kantianism for people? Harming animals and humans for the greater good

  2. Talking to Cows: Reactions to Different Auditory Stimuli During Gentle Human-Animal Interactions

    Contributor(s): Mahmoud Khaled Masa\'deh, Sheila E. Purdum (adviser)

  3. Short- and long-term effects of rearing dairy calves with contact to their mother on their reactions towards humans

  4. Dog-Directed Parenting Styles Mirror Dog Owners’ Orientations Toward Animals

    Parents raise children in consistent ways, and these parenting styles affect child wellbeing and societal adjustment. Recently, we identified such parenting styles in the owner–dog relationship. Dog owners of the authoritarian- correction orientated (AUC) type stand out for demandingness....

  5. Qualitative behavioural assessment of pain in castrated lambs

    Contributor(s): Mahmoud Khaled Masa\'deh, Sheila E. Purdum (adviser)

    This study investigates for the first time the application of Qualitative Behavioural Assessment (QBA) to the analysis of acute pain expression in castrated lambs. Eighty 2-day-old male lambs were allocated to one of 4 groups (n = 20 per treatment): handled only (control, C), rubber ring...

  6. Arena behaviour of Merino weaners is heritable and affected by divergent selection for number of lambs weaned per ewe mated

    Contributor(s): Mahmoud Khaled Masa\'deh, Sheila E. Purdum (adviser)

    Data of 3375 6.5-month-old Merino weaners from two divergently selected lines at Elsenburg were used to evaluate the genetics of the response of weaner lambs to flock isolation and a stationary human in an arena test. The High (H) line was selected upwards and the Low (L) line was selected...

  7. Testing ultra-wideband technology as a method of tracking fast-growing broilers under commercial conditions

    Contributor(s): Mahmoud Khaled Masa\'deh, Sheila E. Purdum (adviser)

    Ultra-wideband (UWB) is an indoor positioning technology that has several advantages over current methods of tracking indoor reared broiler chickens, including providing long-term data on movement patterns without the effect of observer presence. More information is needed on the accuracy of this...

  8. Rewarding memories? Behaviour of broiler chickens towards peat in flocks with and without previous exposure to peat

    Contributor(s): Mahmoud Khaled Masa\'deh, Sheila E. Purdum (adviser)

    Under commercial conditions, environmental provisions assumed to have an enriching effect on broiler chicken welfare may be offered infrequently and at limited locations, raising questions about their enrichment value. We hypothesized that, if broilers given limited access to peat remembered peat...

  9. Dog-directed parenting styles predict verbal and leash guidance in dog owners and owner-directed attention in dogs

    Dog-directed parenting is an aspect of the owner-dog relationship that describes the overarching emotional sphere in which the dog’s guidance and training take place. How dog-directed parenting styles express in specific owner-dog interactions is presently unknown. However, such knowledge can...

  10. The effect of two different farrowing systems on sow behaviour, and piglet behaviour, mortality and growth

    Contributor(s): Mahmoud Khaled Masa\'deh, Sheila E. Purdum (adviser)

    Farrowing crates have traditionally been used to reduce occurrence of piglet mortality as a result of sow crushing. However the utilisation of traditional farrowing crates has been suggested to contribute to negative welfare for both the sow and piglets. This study compared mortality rates,...

  11. Play behaviour reduced by environmental enrichment in fast-growing broiler chickens

    Contributor(s): Mahmoud Khaled Masa\'deh, Sheila E. Purdum (adviser)

    The objective of this study was to evaluate effects of environmental enrichment on play behaviour in fast-growing broiler chickens. Chicks (19 of each sex) were randomly assigned to 6 non-enriched (NE) pens and 6 pens enriched (E) with a raised platform, hanging weighing scale, peck stone, and...

  12. Dually investigated: The effect of a pressure headcollar on the behaviour, discomfort and stress of trained horses

    Contributor(s): Mahmoud Khaled Masa\'deh, Sheila E. Purdum (adviser)

    The Dually™ is a control headcollar designed to improve equine behaviour during handling challenges by applying greater pressure than a standard headcollar. Previous research indicated it did not improve compliance in naïve horses but did result in higher Horse Grimace Scale scores (HGS)...

  13. Operant learning is disrupted when opioid reward pathways are blocked in the domesticated hen

    Contributor(s): Mahmoud Khaled Masa\'deh, Sheila E. Purdum (adviser)

    There is limited research into mesolimbic function specific to birds and, specifically, how neurobiological reward mechanisms affect learning in domestic laying hens (Gallus gallus domesticus). A more thorough understanding of these mechanisms has implications for the improvement of welfare....

  14. Personality traits modulate stress responses after enclosure change of captive capuchin monkeys (Sapajus libidinosus)

    Contributor(s): Mahmoud Khaled Masa\'deh, Sheila E. Purdum (adviser)

    Husbandry procedures may cause behavioral and physiological changes to animals living in captivity. However, an individual’s reaction is not uniform and may be related to different coping strategies. In this study, we analyzed whether and how 12 adult captive capuchin monkeys (Sapajus...

  15. A One Health message about bats increases intentions to follow public health guidance on bat rabies

    Journal Articles | Contributor(s): Mahmoud Khaled Masa\'deh, Sheila E. Purdum (adviser)

    Since 1960, bat rabies variants have become the greatest source of human rabies deaths in the United States. Improving rabies awareness and preventing human exposure to rabid bats remains a national public health priority today. Concurrently, conservation of bats and the ecosystem benefits they...

  16. Investigating the Impact of Indemnity Waivers on the Length of Stay of Cats at an Australian Shelter

    Journal Articles | Contributor(s): Mahmoud Khaled Masa\'deh, Sheila E. Purdum (adviser)

    Due to resource limitations, animal shelters in Australia historically have focused on rehoming animals considered ‘highly adoptable’. Increasingly, animal shelters in Australia are rehoming animals with pre-existing medical and/or behavioural issues. These animals are often rehomed...

  17. Canine Endogenous Oxytocin Responses to Dog-Walking and Affiliative Human–Dog Interactions

    Journal Articles

    Several studies suggest human–dog interactions elicit a positive effect on canine oxytocin concentrations. However, empirical investigations are scant and the joint influence of human–dog interaction and physical activity remains unexplored. The aims of the current study were to (a)...

  18. The Ethics of Human–Animal Relationships and Public Discourse: A Case Study of Lions Bred for Their Bones

    Journal Articles

    Conservation and natural resource management are increasingly attending the ethical elements of public decisions. Ethical considerations are challenging, in part, because they typically require accounting for the moral consideration of various human and nonhuman forms of life, whose interests...

  19. Fecal Cortisol Metabolites in Dairy Cows: A Cross-Sectional Exploration of Associations with Animal, Stockperson, and Farm Characteristics

    Journal Articles

  20. Human caregivers are integrated social partners for captive chimpanzees

    Journal Articles