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  1. Impact of flooring type on the sham dustbathing behaviour of caged laying hens

    Contributor(s):: Moroki, Yuko

    Feed particles are preferred for foraging and they are also a stimulus for sham dustbathing. Most sham dustbathing bouts start with bill raking in the feed by caged hens. As hens often exhibit a floor scratching behaviour, an element of both sham dustbathing and foraging, by moving their legs...

  2. Are special feed and being brushed judged as positive by calves?

    Contributor(s):: Westerath, H. Schulze, Gygax, L., Hillmann, E.

    In studies concerning animal welfare, especially on methods to enhance positive welfare, different stimuli are used to create positive situations or “rewards”. A positive judgement by the animals, however, cannot be assumed a priori. The aim of this study was to determine by means of preference...

  3. Investigating the influence of predictable and unpredictable feed delivery schedules upon the behaviour and welfare of Atlantic salmon parr (Salmo salar) using social network analysis and fin damage

    Contributor(s):: Cañon Jones, Hernán Alberto, Noble, Chris, Damsgård, Børge, Pearce, Gareth P.

    Social network analysis was utilised to quantify the effect of short-term predictable (PD) and unpredictable (UD) feed delivery schedules of 10 days on behavioural interactions and the frequency and severity of fin damage in Atlantic salmon. Fin damage was only observed on the dorsal fin and its...

  4. Equine ingestion of haylage harvested at different plant maturity stages

    Contributor(s):: Müller, Cecilia E.

    The influence of plant maturity at harvest of haylage on equine ingestion times and ingestive behaviour was studied. Haylage was harvested at three different occasions: June, July and August, from the primary growth of the same grass-dominated sward. Twelve adult horses of European warmblood type...

  5. Design and methodology of choice feeding experiments with ruminant livestock

    Contributor(s):: Meier, Janina Sarah, Kreuzer, Michael, Marquardt, Svenja

    The purpose of this review is to describe design and methodology of choice feeding experiments applied in ruminant livestock by taking into account their potential for different purposes and animal-, feed-, and set-up specific aspects. The first choice feeding experiments took place around 1900...

  6. Raw pet food as a risk factor for shedding of extended-spectrum beta-lactamaseproducing Enterobacteriaceae in household cats

    Full-text: Available

    | Contributor(s):: Valérie O. Baede, Els M. Broens, Mirlin P. Spaninks, Arjen J. Timmerman, Haitske Graveland, Jaap A. Wagenaar, Birgitta Duim, Joost Hordijk

    Background Close contact between pets and owners provides the opportunity for transmission of antimicrobial resistant organisms like extended-spectrum beta-lactamase (ESBL)/AmpC beta-lactamase (AmpC)-producing Enterobacteriaceae, posing a risk to public health. Objectives To investigate...

  7. Silvopastoral systems for sustainable animal production and the role of animal welfare

    | Contributor(s):: Broom, D.

  8. Consumption of whole cottonseed by white-tailed deer and nontarget species

    | Contributor(s):: Taylor, Benjamin D., Lyons, Eddie K., Rollins, Dale, Scott, Cody B., Huston, James E., Taylor, Charles A.

  9. Deer-activated bioacoustic frightening device deters white-tailed deer

    | Contributor(s):: Hildreth, Aaron M., Hygnstrom, Scott E., VerCauteren, Kurt C.

  10. Feed depredation by European starlings in a Kansas feedlot

    | Contributor(s):: Depenbusch, B. E., Drouillard, J. S., Lee, C. D.

  11. Energy intake and expenditure of improvised explosive device detection dogs

    | Contributor(s):: Phillips, S. P., Kutzner-Mulligan, J., Davis, M.

    Improvised explosive device detection (IDD) dogs explore up to 40 km of land daily and therefore have energetic demands that may be above the National Research Council's requirement for working dogs. This study was designed to quantify metabolic energy intake (MEI) and total energy expenditure...

  12. The avoidance of farmyards by European badgers Meles meles in a medium density population

    | Contributor(s):: Mullen, E. M., MacWhite, T., Maher, P. K., Kelly, D. J., Marples, N. M., Good, M.

    Mycobacterium bovis (TB) in cattle is a disease with far-reaching economic effects throughout Europe but especially in Great Britain and Ireland. Wildlife reservoirs, in particular the European badger Meles meles, continue to play an important role in the transmission of the disease, although the...

  13. A test of "nutritional wisdom" in perch ( Perca fluviatilis) by self-selection of encapsulated macronutrients

    | Contributor(s):: Brannas, E., Strand, A.

    Developing optimal diets based on fish macronutrient requirements is an expensive and laborious task requiring years of research. However, many species of fish can compose a species-specific optimal diet from single source macronutrients in capsules through self-selection. Eurasian perch is a...

  14. Quantitative assessment of human and pet exposure to Salmonella associated with dry pet foods

    | Contributor(s):: Lambertini, E., Buchanan, R. L., Narrod, C., Ford, R. M., Baker, R. C., Pradhan, A. K.

    Recent Salmonella outbreaks associated with dry pet foods and treats highlight the importance of these foods as previously overlooked exposure vehicles for both pets and humans. In the last decade efforts have been made to raise the safety of this class of products, for instance by upgrading...

  15. Flight distance and reaction to fawn handling are greater in high- than in low-ranked pampas deer ( Ozotoceros bezoarticus) females

    | Contributor(s):: Ungerfeld, R., Morales-Pineyrua, J. T., Freitas-de-Melo, A.

    The flight distance from humans and the reaction of the mother to human handling of their offspring are measures that can be used to assess the quality of the human-animal relationship which could vary according to animals' position in a group. The objective was to determine if the flight...

  16. Slow and steady wins the race? No signs of reduced welfare in smaller broiler breeder hens at four weeks of age

    | Contributor(s):: Lindholm, C., Calais, A., Jonsson, J., Yngwe, N., Berndtson, E., Hult, E., Altimiras, J.

    Broiler breeder chickens are commonly reared under strict feed-restriction regimes to reduce obesity-induced health and fertility problems during adult life, and are assumed to experience a reduced welfare due to the resulting hunger. In these conditions, feed competition could influence the...

  17. Cognitive differences in horses performing locomotor versus oral stereotypic behaviour

    | Contributor(s):: Kirsty, R., Andrew, H., Meriel, M. C., Catherine, H.

    Preliminary investigations reveal altered learning patterns in horses performing oral stereotypic behaviour which coincide with differential functioning of the basal ganglia group of brain structures. However, no studies to date have investigated similar differences in the equine locomotor...

  18. Effect of forage presentation on feed intake behaviour in stabled horses

    | Contributor(s):: Ellis, A. D., Fell, M., Luck, K., Gill, L., Owen, H., Briars, H., Barfoot, C., Harris, P.

    In some stabled horses, the lack of foraging opportunity leads to a reduction in chewing time with consequent negative impacts on the digestive system and potentially development of stereotypies. This study aimed to compare the effect of four types of haynets on feed intake behaviour in stabled...

  19. Feed-restricted broiler breeders: state-dependent learning as a novel welfare assessment tool to evaluate their hunger state?

    | Contributor(s):: Buckley, L. A., Sandilands, V., Hocking, P. M., Tolkamp, B. J., D'Eath, R. B.

    This paper reports three experiments that aimed to validate the use of state-dependent learning (SDL) as a novel welfare assessment tool to evaluate the hunger state of feed-restricted broiler breeders. In each experiment, birds alternated every 2 days between two food rations: quantitative feed...

  20. The effects of a high-starch or high-fibre diet on equine reactivity and handling behaviour

    | Contributor(s):: Bulmer, L., McBride, S., Williams, K., Murray, J. A.

    Increasing performance work in the horse is often associated with a reduction in the forage ration and an increase in concentrates, usually in the form of high-starch cereal grains. This type of diet has been associated with stereotypic behaviours and health problems. High-starch diets are also...