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  1. A survey of abnormal repetitive behaviors in North American river otters housed in zoos

    Contributor(s):: Morabito, P., Bashaw, M. J.

    Stereotypic behaviors, indicating poor welfare and studied in a variety of species (especially carnivores), appear related to characteristics of current and past environments. Although North American river otters (Lontra canadensis) often develop abnormal, repetitive, possibly stereotypic...

  2. Aggressive behavior in two different group-housing systems for pregnant sows

    Contributor(s):: Chapinal, N., Ruiz-de-la-Torre, J. L., Cerisuelo, A., Gasa, J., Baucells, M. D., Manteca, X.

    The study housed 120 pregnant sows from Day 29 of pregnancy to 1 week before parturition either in groups of 10 with trickle feeding (TRICKLE) or in groups of 20 with an unprotected electronic sow feeding (FITMIX). The study recorded aggressive interaction on 11 nonconsecutive days. Frequency of...

  3. Behavior of a solitary sociable female bottlenose dolphin ( Tursiops truncatus ) off the coast of Kent, southeast England

    Contributor(s):: Eisfeld, S. M., Simmonds, M. P., Stansfield, L. R.

    This article provides a report of the behavior of a solitary sociable dolphin studied on the southeast coast of England in 2007. This is the first study of its kind in which behavior of such a nonhuman animal was systematically studied. By the time of this study, this young female was highly...

  4. Dairy cow behavior and welfare implications of time waiting before entry into the milking parlor

    Contributor(s):: Dijkstra, C., Veermae, I., Praks, J., Poikalainen, V., Arney, D. R.

    The objective of this study was to investigate dairy cows' time spent in the possibly stressful waiting area (WA) of the milking parlor (MP) and their behavioral patterns while there and thereby investigate comparative effects on their welfare. The experiments were carried out in 3 loose-housing...

  5. Dog obesity: can dog caregivers' (owners') feeding and exercise intentions and behaviors be predicted from attitudes?

    Contributor(s):: Rohlf, V. I., Toukhsati, S., Coleman, G. J., Bennett, P. C.

    Dog obesity is a common nutritional disorder affecting up to 40% of the companion animal (pet) dog population in Australia and other developed nations. A clear understanding of factors determining relevant caregiver (owner) behaviors underpins effective treatment for this disorder. The theory of...

  6. Feeder use patterns in group-housed pregnant sows fed with an unprotected electronic sow feeder (Fitmix)

    Contributor(s):: Chapinal, N., Ruiz-de-la-Torre, J. L., Cerisuelo, A., Baucells, M. D., Gasa, J., Manteca, X.

    Previous studies on feeder use in group-housed pregnant sows focused on dynamic groups and protected electronic sow feeders (ESF). This study observed 60 pregnant sows, 1st to 8th parity - housed from Day 29 of pregnancy to 1 week before parturition in stable groups of 20 animals, 1 Fitmix feeder...

  7. Function of tongue-playing of cattle in association with other behavioral and physiological characteristics

    Contributor(s):: Ishiwata, T., Uetake, K., Eguchi, Y., Tanaka, T.

    To study the function of tongue-playing of cattle, this study observed 71 Japanese Black x Holstein steers after feeding in 2 repetitive experiments. The number of steers who performed tongue-playing did not differ among the 3 levels of environmentally enriched pens. Most (90.6%) performances of...

  8. Managing feral cats on a university's campuses: how many are there and is sterilization having an effect?

    Contributor(s):: Jones, A. L., Downs, C. T.

    Worldwide domestic and feral cat (Felis catus) numbers have increased. Concerns regarding high populations of feral cats in urban areas include wildlife predation, public nuisance, and disease. This study aimed to estimate the size of the feral cat population on 5 campuses of the University of...

  9. Positive reinforcement training as a technique to alter nonhuman primate behavior: quantitative assessments of effectiveness. (Training Nonhuman Primates Using Positive Reinforcement Techniques)

    Contributor(s):: Schapiro, S. J., Bloomsmith, M. A., Laule, G. E.

    Many suggest that operant conditioning techniques can be applied successfully to improve the behavioral management of nonhuman primates in research settings. However, relatively little empirical data exist to support this claim. This article is a review of several studies that discussed applied...

  10. Systematic investigation of the stability of food preferences in captive orangutans: implications for positive reinforcement training

    Contributor(s):: Clay, A. W., Bloomsmith, M. A., Marr, M. J., Maple, T. L.

    Using preference-assessment tests with humans in conjunction with behavioral modification sessions has been a regular component of almost all operant conditioning programs with mentally challenged humans. This has been very effective in improving the efficiency of behavioral training in these...

  11. The choice to access outdoor areas affects the behavior of great apes

    Contributor(s):: Kurtycz, L. M., Wagner, K. E., Ross, S. R.

    Outdoor access is often cited as a critical component of appropriate housing for great apes in captivity, and although studies have shown that offering primates choices can improve welfare, choice to access specific areas has been empirically neglected. Behavioral data were collected on...

  12. The effect of feeding enrichment on the moloch gibbon ( Hylobates moloch )

    Contributor(s):: Wells, D. L., Irwin, R. M.

    This study explored the effect of 3 feeding devices (food-filled baskets, polyvinyl chloride tubes, frozen ice pops) on the behavior of 4 zoo-housed moloch gibbons. The project studied the gibbons for 5 days during a control condition (no feeding enrichment) and 5 days per condition of feeding...

  13. The effects of automated scatter feeders on captive grizzly bear activity budgets

    Contributor(s):: Andrews, N. L. P., Ha, J. C.

    Although captive bears are popular zoo attractions, they are known to exhibit high levels of repetitive behaviors (RBs). These behaviors have also made them particularly popular subjects for welfare research. To date, most research on ursid welfare has focused on various feeding methods that seek...

  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. Time budget and activity patterns of oncilla cats ( Leopardus tigrinus) in captivity

    Contributor(s):: Resende, L. de S., Lima e Neto, G., Carvalho, P. G. D., Landau-Remy, G., Ramos Junior, V. de A., Andriolo, A., Genaro, G.

    Researchers have reported on the diet of Leopardus tigrinus and ecological aspects, but studies of behavior are scarce. The aims of this study were to describe the time budget and activity patterns of 10 captive Leopardus tigrinus individuals. The group had an activity budget of 66% resting,...

  16. Dairy calves' adaptation to group housing with automated feeders

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

    Group housing of dairy calves with automated milk feeders has likely welfare and labour saving advantages but delays in the calves adapting to the feeding system may reduce these advantages. We examined factors that influence calves' adaptation to the feeders. In Exp. 1, 77 Holstein calves were...

  17. Nutrition for working and service dogs

    Contributor(s):: Wakshlag, J., Shmalberg, J.

    Conformation, genetics, and behavioral drive are the major determinants of success in canine athletes, although controllable variables, such as training and nutrition, play an important role. The scope and breadth of canine athletic events has expanded dramatically in the past 30 years, but with...

  18. Pre-feeding behaviour in UK leisure horses and associated feeding routine risk factors

    Contributor(s):: Hockenhull, J., Creighton, E.

    Many horses display unwanted behaviour prior to receiving concentrate feed or forage. These behaviours have received relatively little scientific attention as a distinct group of equine behaviour problems and risk factors for their performance have not been quantified. The objective of this study...

  19. Diversity in horse enthusiasts with respect to horse welfare: an explorative study

    Contributor(s):: Visser, E. K., Wijk-Jansen, E. E. C. van

    A reduced level of welfare of horses is related to management factors such as low forage feeding, short feeding time, social isolation, and lack of unrestrained exercise. It has been assumed that welfare problems can be reduced and/or partly prevented by improving the knowledge and skills of...

  20. Effects of pre-transport nutrient supplementation and transport duration on the post-transport blood biochemistry, bodyweight and welfare of ostriches

    Contributor(s):: Bejaei, M., Bennett, D. C., Schaefer, A. L., Cheng, K. M.

    There are very few abattoirs in North America that process ostriches ( Struthio camelus) which means producers are forced to transport their birds over long distances (>500 km) for processing. The objectives of this research were to investigate the effects of pre-transport nutrient...