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  1. Acoustic analysis of cattle ( Bos taurus) mother-offspring contact calls from a source-filter theory perspective

    Contributor(s):: Torre, M. P. de la, Briefer, E. F., Reader, T., McElligott, A. G.

    Cattle vocalisations have been proposed as potential indicators of animal welfare. However, very few studies have investigated the acoustic structure and information encoded in these vocalisations using advanced analysis techniques. Vocalisations play key roles in a wide range of communication...

  2. Can ear postures reliably measure the positive emotional state of cows?

    Contributor(s):: Proctor, H. S., Carder, G.

    Animal welfare science is increasingly concerned with the promotion of positive emotions in animals, yet little is known about how to measure them. We examined whether ear postures in dairy cows were reliable indicators of a low arousal, positive emotional state. We conducted a total of 381, 15...

  3. Emotions in dogs being petted by a familiar or unfamiliar person: validating behavioural indicators of emotional states using heart rate variability

    Contributor(s):: Kuhne, F., Hossler, J. C., Struwe, R.

    Although physical human-dog interactions have an important influence on the human-dog relationship, few studies have proposed the key factors of physical human-dog contact affecting the well-being of dogs. Therefore, our aim was to investigate the effect of physical human-dog contact on the...

  4. Environmental complexity and use of space in slow growing free range chickens

    Contributor(s):: Rodriguez-Aurrekoetxea, A., Leone, E. H., Estevez, I.

    Production environments for meat poultry are generally bi-dimensional open areas where birds tend to cluster along the walls. We investigated the impact of increasing environmental complexity (EC) on slow-growing free-range chickens raised under commercial conditions. The study was conducted in...

  5. Playful handling of laboratory rats is more beneficial when applied before than after routine injections

    Contributor(s):: Cloutier, S., Wahl, K. L., Panksepp, J., Newberry, R. C.

    The ability of positive affective states to counteract negative states engendered by routine medical procedures remains poorly studied. In laboratory rats, positive affect typically associated with rough-and-tumble play can be induced through human "hand play" - the experience of being "tickled"...

  6. Testing three measures of mouse insensibility following induction with isoflurane or carbon dioxide gas for a more humane euthanasia

    Contributor(s):: Moody, C. M., Makowska, I. J., Weary, D. M.

    Laboratory mice are commonly killed via exposure to gradually increasing concentrations of isoflurane and carbon dioxide (CO 2) gas. Once rendered insensible using isoflurane or CO 2, a high concentration of CO 2 is used to decrease time to death. When the switch from isoflurane to a high flow...

  7. Young Blond d'Aquitaine, Angus and Limousin bulls differ in emotional reactivity: relationships with animal traits, stress reactions at slaughter and post-mortem muscle metabolism

    Contributor(s):: Bourguet, C., Deiss, V., Boissy, A., Terlouw, E. M. C.

    The present study investigated relationships between reactivity during tests, stress reactions at slaughter and animal traits in young Blond d'Aquitaine (BA), Limousin (LI) and Angus (AN) bulls. Behavioural and physiological reactivity of animals was evaluated during rearing using a "Human test"...

  8. Agreement between different sleep states and behaviour indicators in dairy cows

    Contributor(s):: Ternman, E., Pastell, M., Agenas, S., Strasser, C., Winckler, C., Nielsen, P. P., Hanninen, L.

    Conclusive data regarding behavioural indicators of different sleep states in adult dairy cows are lacking, i.e. agreement between behavioural indicators of sleep and corresponding electrophysiological measures. Behavioural estimates for quantifying total sleep time in calves have been developed,...

  9. The effects of an animal-assisted intervention on salivary alpha-amylase, salivary immunoglobulin A, and heart rate during forensic interviews in child sexual abuse cases

    Contributor(s):: Krause-Parello, C. A., Friedmann, E.

    Animal-assisted invention (AAI) in gaining attention as a therapeutic modality; however, the effect of it has not been well studied in the child welfare system. The purpose of this study was to examine the effects of AAI on stress indicators (as measured by salivary alpha-amylase (sAA),...

  10. A case study employing operant conditioning to reduce stress of capture for red-bellied tamarins ( Saguinus labiatus )

    Contributor(s):: Owen, Y., Amory, J. R.

    Traditional techniques used to capture New World monkeys, such as net capture, can induce high levels of acute stress detrimental to welfare. Alternatively, training nonhuman animals via operant conditioning to voluntarily participate in husbandry and/or veterinary practices is accepted as a...

  11. An epidemiological approach to welfare research in zoos: the Elephant Welfare Project

    Contributor(s):: Carlstead, K., Mench, J. A., Meehan, C., Brown, J. L.

    Multi-institutional studies of welfare have proven to be valuable in zoos but are hampered by limited sample sizes and difficulty in evaluating more than just a few welfare indicators. To more clearly understand how interactions of husbandry factors influence the interrelationships among welfare...

  12. Animal housing and welfare: effects of housing conditions on body weight and cortisol in a medium-sized rodent ( Cavia aperea)

    Contributor(s):: Schumann, K., Guenther, A., Jewgenow, K., Trillmich, F.

    Rodents are the most abundant experimental nonhuman animals and are commonly studied under standard laboratory housing conditions. As housing conditions affect animals' physiology and behavior, this study investigated the effects of indoor and outdoor housing conditions on body weight and...

  13. Improved nonhuman animal welfare is related more to income equality than it is to income

    Contributor(s):: Morris, M. C.

    The link between nonhuman animal welfare, income, and income inequality (Gini coefficient) was tested using consumption of animal products, laws protecting animals on the farm from the worst abuses, and animals used in experimentation as indicators. Experimentation on all animals and on rodents...

  14. The welfare and productivity of dry sows in different group housing systems in New Zealand

    Contributor(s):: Chidgey, K. L., Morel, P. C. H., Barugh, I. W.

    This research aimed to evaluate sow welfare and identify potential welfare compromise in specific group housing systems for sows in New Zealand. The relationship between overall welfare outcome on-farm and sow productivity was also investigated. Twenty commercial farms were chosen to represent...

  15. Trends in sheltering and welfare at the Hawaiian Humane Society, Oahu, Hawaii

    Contributor(s):: McDowell, B., Burns, P., Lepczyk, C. A.

    One of the major goals of an animal welfare organization is to reduce the number of homeless, nonhuman animals in a community. In Hawaii, the Hawaiian Humane Society has provided numerous animal welfare services to work toward this goal, such as offering sterilizations and microchipping at...

  16. Use of accelerometers to measure stress levels in shelter dogs

    Contributor(s):: Jones, S., Dowling-Guyer, S., Patronek, G. J., Marder, A. R., D'Arpino, S. S., McCobb, E.

    Stress can compromise welfare in any confined group of nonhuman animals, including those in shelters. However, an objective and practical method for assessing the stress levels of individual dogs housed in a shelter does not exist. Such a method would be useful for monitoring animal welfare and...

  17. Welfare assessments based on lifetime health and production data in Danish dairy cows

    Contributor(s):: Houe, H., Sandoe, P., Thomsen, P. T.

    The objective of this study was to describe how information about the whole lifetime of the cow can be used when defining nonhuman animal-based criteria of the welfare of animals on the farm. Often measured over a short period, disease occurrence provides information relevant for assessing the...

  18. Equine on-farm welfare assessment: a review of animal-based indicators

    Contributor(s):: Costa, E. dalla, Murray, L., Dai, F., Canali, E., Minero, M.

    The adaptability of horses and donkeys to different types of activity has seen the European equine industry become an important economic sector, giving rise to increasing concern regarding equine welfare. As part of the AWIN (Animal Welfare Indicators) project, this review focuses on scientific...

  19. Human-dog interactions and behavioural responses of village dogs in coastal villages in Michoacan, Mexico

    Contributor(s):: Ruiz-Izaguirre, E., Eilers, K. H. A. M., Bokkers, E. A. M., Ortolani, A., Ortega-Pacheco, A., Boer, I. J. M. de

    In Mexican villages, most households keep dogs that roam freely. Therefore, socialisation of village dogs occurs in a different context than that of companion dogs in developed countries. The objectives of this study were: (1) to assess village dogs' behavioural responses towards familiar and...

  20. Locomotor play of veal calves in an arena: are effects of feed level and spatial restriction mediated by responses to novelty?

    Contributor(s):: Rushen, J., Passille, A. M. de

    When calves are placed in an open arena, they perform locomotor play, which provides a time-efficient means of assessing playfulness. To use this as a method of assessing welfare, we need to relate playfulness to other welfare indicators and understand what factors influence results. The novelty...