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  1. Hunger in pregnant sows: effects of a fibrous diet and free access to straw

    Contributor(s):: Jensen, M. B., Pedersen, L. J., Theil, P. K., Knudsen, K. E. B.

    Fibrous diets and the provision of straw have been suggested to reduce feeding motivation in pregnant sows. The present experiment investigated the separate and interactive effects of a fibrous diet and ad libitum access to straw on feeding motivation, oral behaviour and plasma levels of...

  2. 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...

  3. Effects of different dietary protein levels during rearing and different dietary energy levels during lay on behaviour and feather cover in broiler breeder females

    Contributor(s):: Emous, R. A. van, Kwakkel, R., Krimpen, M. van, Hendriks, W.

    An experiment was conducted to determine the effects of different dietary protein levels during rearing and different dietary energy levels during lay on behaviour and feather cover in broiler breeder females. A 2*3*2 factorial arrangement of treatments was used. A total of 2880 Ross 308...

  4. Effect of feed allowance at pasture on lying behaviour and locomotory ability of dairy cows

    Contributor(s):: O'Driscoll, K., Lewis, E., Kennedy, E.

    In temperate climates where cows are primarily managed at pasture shortages of grass could result in nutritional deficits for the cow and thus pose a challenge to her welfare. This study investigated the effect of daily herbage allowance (DHA) on dairy cow lying behaviour, locomotory ability, and...

  5. 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...

  6. The effect of physical contact between dairy cows and calves during separation on their post-separation behavioural response

    Contributor(s):: Johnsen, J. F., Ellingsen, K., Grondahl, A. M., Boe, K. E., Lidfors, L., Mejdell, C. M.

    Premature breaking of the maternal bond between a cow and her calf triggers a strong behavioural response which renders separation and weaning major welfare challenges in suckling systems. Fence-line separation and weaning allowing physical contact has been evaluated for beef cattle and is...

  7. Measuring motivation in swine: the food-metric scale

    Contributor(s):: Patterson-Kane, E. G., Kirkden, R. D., Pajor, E. A.

    Understanding how nonhuman animals such as swine respond to their environment and understanding how to provide them with a good quality of life involves using a range of experimental approaches. More and more, ethological researchers are turning to operant methods to answer some of these...

  8. Conditioned place preference or aversion as animal welfare assessment tools: limitations in their application

    Contributor(s):: Dixon, L. M., Sandilands, V., Bateson, M., Brocklehurst, S., Tolkamp, B. J., D'Eath, R. B.

  9. Effects of signalled reward type, food status and a mu-opioid receptor antagonist on cue-induced anticipatory behaviour in laying hens ( Gallus domesticus)

    Contributor(s):: Moe, R. O., Nordgreen, J., Janczak, A. M., Spruijt, B. M., Bakken, M.

  10. Attitudes of Canadian beef producers toward animal welfare

    Contributor(s):: Spooner, J. M., Schuppli, C. A., Fraser, D.

  11. Does diversionary feeding create nuisance bears and jeopardize public safety?

    Contributor(s):: Rogers, L. L.

  12. Measuring the success of a farm animal welfare education event

    Contributor(s):: Jamieson, J., Reiss, M. J., Allen, D., Asher, L., Wathes, C. M., Abeyesinghe, S. M.

  13. Agricultural development and associated environmental and ethical issues in South Asia

    Contributor(s):: Khan, M. A., Shah, S. A. A.

    South Asia is one of the most densely populated regions of the world, where despite a slow growth, agriculture remains the backbone of rural economy as it employs one half to over 90 percent of the labor force. Both extensive and intensive policy measures for agriculture development to feed the...

  14. Exposing violences: using women's human rights theory to reconceptualize food rights

    Contributor(s):: Bellows, A. C.

    Exposing food violences (hunger, malnutrition, and poisoning from environmental mismanagement) requires policy action that confronts the structured invisibility of these violences. Along with the hidden deprivation of food is the physical and political isolation of critical knowledge on food...

  15. Cross-sucking by dairy calves may become a habit or reflect characteristics of individual calves more than milk allowance or weaning

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

    To examine the effects of milk allowance and weaning age on cross-sucking, 45 dairy calves were housed in groups of nine and fed milk and grain-based starter feed from automated feeders and allocated to three treatment groups: (A) Low-Milk Early-Weaned (fed 6 L/d of milk until weaned at 47 d of...

  16. Intake rate during meals and meal duration for sheep in different hunger states, grazing grass or white clover swards

    Contributor(s):: Orr, R. J., Penning, P. D., Rutter, S. M., Champion, R. A., Harvey, A., Rook, A. J.

    Meal patterns and rates of feed intake by grazing herbivores may be markedly different from those found in housed ruminants and monogastrics. Cumulative intakes over the evening meal (satiety curves) were measured using groups of sheep (Ovis aries) grazing monocultures of white clover (Trifolium...

  17. Measurement of feeding motivation in sheep and the effects of food restriction

    Contributor(s):: Verbeek, E., Waas, J. R., McLeay, L., Matthews, L. R.

    The availability of food is a crucial factor determining the health and growth of animals. Prolonged or severe food restriction will trigger the subjective state of hunger, which could potentially reduce welfare. We refined a methodology for the measurement of feeding motivation as an indicator...

  18. Temporal distribution of sucking behaviour in dairy calves and influence of energy balance

    Contributor(s):: Roth, B. A., Keil, N. M., Gygax, L., Hillmann, E.

    So far, most authors in the literature have suggested that cross-sucking in dairy calves is elicited by milk ingestion, as sucking motivation persists for an additional 12-15 min after milk intake. However, cross-sucking without temporal association to milk ingestion has also been noted in...

  19. The validity of using an approach-avoidance test to measure the strength of aversion to carbon dioxide in rats

    Contributor(s):: Kirkden, R. D., Niel, L., Lee, G., Makowska, I. J., Pfaffinger, M. J., Weary, D. M.

    Approach-avoidance tests are often used to estimate the strength of aversion, by making food rewards available during exposure to a stimulus at a known level of food deprivation. It is reasoned that if subjects are unwilling to tolerate the stimulus even when severely food deprived, their...

  20. Effect of dietary fibre type on physical activity and behaviour in kennelled dogs

    Contributor(s):: Bosch, G., Beerda, B., Hoek, E. van de, Hesta, M., Poel, A. F. B. van der, Janssens, G. P. J., Hendriks, W. H.

    Dog diets may differ in their effectiveness of maintaining satiety after a meal. Consequently, sensations of hunger, feeding motivation, physical activity, and sensitivity to environmental stressors may be increased. Dietary fibre may be effective in prolonging postprandial satiety depending on...