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  1. A Comparative Study of Human and Parrot Phonation: Acoustic and Articulatory Correlates of Vowels

    Contributor(s):: Patterson, D. K., Pepperberg, I. M.

  2. A preliminary study of the effects of ecologically relevant sounds on the behaviour of captive lowland gorillas

    Contributor(s):: Ogden, J. J., Lindburg, D. G., Maple, T. L.

  3. Altered acoustic environments influence boldness in minnows

    Contributor(s):: Hasan, Md Robiul, Crane, Adam L., Poulin, Nicolas P., Ferrari, Maud C. O., Chivers, Douglas P.

    Human-induced noise has a pervasive influence on the behaviour of animals in their natural environment, but little scientific attention has gone toward noises that regularly affect animals being maintained in captivity for research purposes. Here, we assessed underwater aquarium noise produced...

  4. Behavioural and physiological responses of pigs to sound

    Contributor(s):: Talling, J. C., Waran, N. K., Wathes, C. M., Lines, J. A.

    Eight piglets were exposed to artificially generated sounds, nominal intensities of 85 or 97 dB(Lin), and frequencies of 500 or 8000 Hz for 15 min during a 1-h experimental period. In a 2nd experiment, 8 piglets were exposed to 20 min of farm sounds (Leq 80 dB), transport sounds (Leq 83 dB),...

  5. Behavioural responses of sows and piglets from two genotypes to recorded nursing grunts played throughout lactation

    Contributor(s):: Farmer, C., Robert, S.

    The impact of playbacks of recorded sow nursing grunts on the development of nursing behaviour in sows from two genotypes was studied. Yorkshire x Landrace (YL; n=16) and 25% Meishan (MH; n=16) gilts were equally divided in two groups: (1) no playback, and (2) playbacks of recorded sow nursing...

  6. Can the location of cattle be managed using broadcast audio cues?

    Contributor(s):: Umstatter, Christina, Brocklehurst, Sarah, Ross, David W., Haskell, Marie J.

    Fences are crucial for successful grazing management of livestock. However, conventional fencing is expensive and lacks spatial flexibility. To date, this flexibility has been provided by electric fences, but these are not always efficient to erect and move and are not suitable for all locations....

  7. Development of a behavioural test of sensory responsiveness in the growing pig

    Contributor(s):: Hutson, G. D., Ambrose, T. J., Barnett, J. L., Tilbrook, A. J.

    The responses of individual growing pigs to 60 stimuli from 5 sensory categories were evaluated as an initial step in developing a behavioural measure of welfare. Pigs were exposed to the stimuli in a test pen after being trained to eat from a food box adjacent to a stimulus presentation box. The...

  8. Do audible and ultrasonic sounds of intensities common in animal facilities affect the autonomic nervous system of rodents?

    Contributor(s):: Burwell, A. K., Baldwin, A. L.

    In animal facilities, noises, often poorly controlled, occur over a wide range of frequencies and intensities. Evidence demonstrates that audible noise and ultrasound have deleterious effects on rodent physiology, but it is not known how they affect the autonomic nervous system (ANS). This study...

  9. Emotion in the sounds of pets' names

    Contributor(s):: Whissell, Cynthia

  10. Kumpolo: aesthetic appreciation and cultural appropriation of bird sounds in Tanzania

    Contributor(s):: Sanga, Imani

  11. Multifactorial testing of enrichment criteria: pigs 'demand' hygiene and destructibility more than sound

    Contributor(s):: Bracke, M. B. M.

    To validate (further) a semantic model called RICHPIG, which was designed to assess enrichment materials for pigs, a study was conducted to examine the importance of three assessment criteria, namely destructibility, hygiene and sound. These material properties were studied using a specially...

  12. Noise exposure, music, and animals in the laboratory: a commentary based on Laboratory Animal Refinement and Enrichment Forum (LAREF) discussions

    Contributor(s):: Patterson-Kane, E. G., Farnworth, M. J.

    The effects of noise, in general, and music, in particular, on the behavior and welfare of animals in the laboratory deserve a great deal of empirical study. However, many laboratories must develop their current practices on the basis of sparse and conflicting data. With this commentary we seek...

  13. Noise in the animal shelter environment: building design and the effects of daily noise exposure

    Contributor(s):: Coppola, C. L., Enns, R. M., Grandin, T.

    Sound levels in animal shelters regularly exceed 100 dB. Noise is a physical stressor on animals that can lead to behavioral, physiological, and anatomical responses. There are currently no policies regulating noise levels in dog kennels. The objective of this study was to evaluate the noise...

  14. Number of nearby visitors and noise level affect vigilance in captive koalas

    Contributor(s):: Larsen, Megan J., Sherwen, Sally L., Rault, Jean-Loup

    Understanding human-animal interactions is particularly important for institutions that display animals to the public due to the frequent, and sometimes intense, interactions with unfamiliar humans. Past research has shown that visitors can have a negative impact on the welfare of a wide range of...

  15. Nurturing your pet with nature - Part 2: Sensory and discovery experiences

    Contributor(s):: Rauh, R. M.

  16. Recommended management strategies to limit anthropogenic noise impacts on greater sage-grouse in Wyoming

    Contributor(s):: Patricelli, Gail L., Blickley, Jessica L., Hooper, Stacie L.

  17. Recorded sounds associated with feeding did not affect feeding behavior of lambs

    Contributor(s):: Tanida, H., Hohenboken, W. D., Swanson, L. V.

  18. Responses of horses to novel visual, olfactory and auditory stimuli

    Contributor(s):: Christensen, J. W., Keeling, L. J., Nielsen, B. L.

    Responses of horses towards fear-eliciting stimuli can have important consequences for both human and horse safety. This experiment was designed to investigate behavioural and heart rate (HR) responses of horses to novel visual, auditory and olfactory stimuli. Twenty-four 2-year-old, previously...

  19. Social eavesdropping in the domestic dog

    Contributor(s):: Marshall-Pescini, S., Passalacqua, C., Ferrario, A., Valsecchi, P., Prato-Previde, E.

    Eavesdropping on third-party interactions has been observed in a number of species and is considered an important source of information in decision-making processes relating to fighting and mate choice. Human beings, however, use publicly available information flexibly in many different contexts...

  20. Sound avoidance by domestic pigs depends upon characteristics of the signal

    Contributor(s):: Talling, J. C., Waran, N. K., Wathes, C. M., Lines, J. A.

    Two groups of 12 pigs, weighing 25 kg, were individually exposed to a test sound in a modified unsignalled one-way avoidance procedure. The test sound for the first group was a recording from an animal transporter played at 84 dB(Lin), with a rise time of 2 s (uniform). For the second group,...