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All Categories (1-20 of 27)

  1. The effect of hutch compass direction on primary heat stress responses in dairy calves in a continental region

    Contributor(s):: Bakony, M., Kiss, G., Kovacs, L., Jurkovich, V.

  2. Provision of Additional Cup Drinkers Mildly Alleviated Moderate Heat Stress Conditions in Broiler Chickens

    Contributor(s):: Iyasere, Oluwaseun S., Bateson, Melissa, Beard, Andrew P., Guy, Jonathan H.

  3. Thermal Micro-Environment during Poultry Transportation in South Central United States

    Full-text: Available

    | Contributor(s):: Douglas J. Aldridge, Kaushik Luthra, Yi Liang, Karen Christensen, Susan E. Watkins, Colin G. Scanes

    This observational study was conducted to characterize the thermal micro- climate that broilers experienced in commercial poultry transporters under various weather conditions and typical management practices in the South Central USA. We continuously monitored temperature and relative humidity...

  4. Behavioral and hematological responses of broiler chickens administered with betaine and ascorbic acid during hot-dry season

    | Contributor(s):: Egbuniwe, Ifeanyichukwu C., Ayo, Joseph O., Kawu, Mohammed U., Mohammed, Aliyu

    Heat stress is a major problem in poultry production in tropical regions. Assessing the impact of thermally stressful environmental conditions on the welfare of broiler chickens is of great importance. Behavioral responses in a novel environment and hematology of broiler chickens administered...

  5. Corrigendum: Editorial: Working Dogs: Form and Function

    | Contributor(s):: Otto, C. M., Cobb, M. L., Wilsson, E.

  6. Editorial: Working Dogs: Form and Function

    Full-text: Available

    | Contributor(s):: Otto, C. M., Cobb, M. L., Wilsson, E.

  7. Evaluation of Three Hydration Strategies in Detection Dogs Working in a Hot Environment

    | Contributor(s):: Cynthia M. Otto, Elizabeth Hare, Jess L. Nord, Shannon M. Palermo, Kathleen M. Kelsey, Tracy A. Darling, Kasey Schmidt, Destiny Coleman

    Physical activity in hot environments can increase the risk of heat stress or heat stroke in dogs. Heat tolerance is influenced by acclimatization to the environment, physical fitness, and hydration state. Three common strategies to promote hydration in working dogs are free access to water (W),...

  8. Behavioral changes and feathering score in heat stressed broiler chickens fed diets containing different levels of propolis

    | Contributor(s):: Mahmoud, U. T., Abdel-Rahman, M. A. M., Darwish, M. H. A., Applegate, T. J., Cheng, H.

    This experiment was conducted to evaluate the effects of dietary supplementation of green Brazilian propolis on behavioral patterns and feather condition of heat stressed broiler chickens. Five hundred and four (504) male Ross 708 broiler chicks at 15-day old were randomly allotted to six dietary...

  9. Shrink and mortality of beef cattle during long distance transportation

    | Contributor(s):: Teke, B.

  10. The effect of group size and stocking density on the welfare and performance of hens housed in furnished cages during summer

    | Contributor(s):: Guo, Y. Y., Song, Z. G., Jiao, H. C., Song, Q. Q., Lin, H.

  11. Development with age of nest box use and gregarious nesting in laying hens

    | Contributor(s):: Riber, A. B.

    Use of nest boxes is an important part of the behavioural repertoire of laying hens kept under commercial conditions. A special form of nest box use is gregarious nesting, which occurs when a hen given the choice between an occupied and an unoccupied nest site chooses the occupied nest site....

  12. How important is shade to dairy cattle? Choice between shade or lying following different levels of lying deprivation

    | Contributor(s):: Schutz, K. E., Cox, N. R., Matthews, L. R.

    Provision of shade to dairy cattle in summer can alleviate negative effects of heat stress. The aim of this study was to investigate the relative importance of shade to lactating dairy cows in different ambient weather conditions in summer. The motivation to use shade was compared to the...

  13. The aversion of broiler chickens to concurrent vibrational and thermal stressors

    | Contributor(s):: Abeyesinghe, S. M., Wathes, C. M., Nicol, C. J., Randall, J. M.

    The requirement for assessing the effects of multiple concurrent stressors in improving the welfare of broiler chickens during transport has not been widely recognized. A discrete-choice technique was used to investigate the aversion of broiler chickens to concurrent vibrational and thermal...

  14. Effect of environmental temperature on the behavior of Clydesdales during preparation time before athletic performances

    | Contributor(s):: Kasper, M., Beck, A. M.

  15. Factors affecting the welfare of ruminants in livestock farming

    | Contributor(s):: Mounier, L., Marie, M., Lensink, B. J.

    Ruminant production is characterized by a large diversity in husbandry systems and management practices that can influence animal welfare. For example, housing conditions are important. In outdoor rearing systems, climate changes can provoke thermal stress and health problems. Indoors, factors...

  16. Main causes of poor welfare in intensively reared dairy cows. (Special Issue: Criteria and methods for the assessment of animal welfare.)

    | Contributor(s):: Abeni, F., Bertoni, G.

    The aim of this review is to summarise the main causes of poor welfare in intensively reared dairy cows. Intensive farming systems are considered, both from a structural and a managerial point of view, for their constraints that may limit animal welfare: possible physical activity; acceptable...

  17. Comparison of the thermoregulatory behaviours of low and high producing dairy cows in a hot environment

    | Contributor(s):: Tapk, I., Sahin, A.

    This study was carried out to compare the thermoregulatory behaviours of low and high producing dairy cows in a hot environment. Forty-one Holstein Friesian cows in their first lactation were allocated to two groups (n=21 for group 1, n=20 for group 2) on the basis of their milk production: low...

  18. Effect of solar radiation on dairy cattle behaviour, use of shade and body temperature in a pasture-based system

    | Contributor(s):: Tucker, C. B., Rogers, A. R., Schutz, K. E.

    Our aim was to understand how protection from solar radiation influenced the behaviour and physiology of Holstein Friesian dairy cattle. We compared the behaviour and body temperature of pastured dairy cattle kept in 1 of 4 treatments: no shade or free access to shade that blocked either 25, 50...

  19. Effects of season on the behaviour of early-weaned piglets during and immediately following transport

    | Contributor(s):: Lewis, N. J., Berry, R. J.

    In North America commercial transport of piglets occurs without supplemental heat, over long durations (24 h) and without feed and water. Scan sampling was used to compare behaviour across seasons (summer, fall, winter) and over representative durations (Control, 6, 12 or 24 h) to help assess...

  20. Acid-base responses of fat-adapted horses: relevance to hard work in the heat

    | Contributor(s):: Kronfeld, D. S., Custalow, S. E., Ferrante, P. L., Taylor, L. E., Wilson, J. A., Tiegs, W.

    Feeding and training may affect acid-base responses to strenuous exercise. Acidosis usually correlates with higher blood lactate concentrations during intense exercise, but alkalosis has been found in horses, and higher lactate responses during sprints have been found in fat adapted horses. A...