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  1. Investigations on feed intake and social behaviour of fattening pigs fed at an electronic feeding station

    Contributor(s):: Hoy, Steffen, Schamun, Sonja, Weirich, Carmen

    For the study from a total of 679 female pigs kept in a progeny test station in 64 groups mostly with 12 pigs each, the data from all visits at an electronic feeding station (EFS) were analysed. In 93 pigs (8 groups) all agonistic interactions at the EFS were recorded in continuous observations...

  2. Experience with a variety of feed colours reduces feed neophobia in the turkey

    Contributor(s):: Lecuelle, Stéphanie, Leterrier, Christine, Chagneau, Anne-Marie, Laviron, Florence, Lescoat, Philippe, Bastianelli, Denis, Bertin, Aline, Bouvarel, Isabelle

    When exposed to a new feed, farm birds are commonly reluctant to eat this feed. This phenomenon, called feed neophobia, could be reduced by exposing young animals to a variety of novel feeds. We investigated whether previous experience with a variety of feed colours could reduce food neophobia in...

  3. Decision-making of goats when exposed to choice feeding: Triggered by taste or smell?

    Contributor(s):: Scherer, R., Gerlach, K., Südekum, K. H.

    Animals recognise known forages. However, it is unclear whether recognition is mainly based on sensory characteristics linked to postingestive feedback or whether the latter is activated each time before a choice is made. Moreover, knowledge is scarce regarding the duration of the memory process...

  4. Do antiemetics attenuate the behavioural responses of sheep to simulated ship motion?

    Contributor(s):: Santurtun, Eduardo, Navarro, Grisel, Phillips, Clive J. C.

    During actual and simulated ship transport, vessel roll (sideways) and heave (vertical) movements produce behavioural responses in sheep, typically positional and feeding changes. Antiemetics may moderate these responses, hence sheep were exposed to these two movements of similar amplitude and...

  5. Behaviour and physiology of sheep exposed to ammonia at a similar concentration to those experienced by sheep during export by sea

    Contributor(s):: Zhang, Yu, Guinnefollau, Lauréline, Sullivan, Megan, Phillips, Clive J. C.

    Ammonia accumulates in livestock accommodation, which inflames mucosal tissue to cause coughing, sneezing and lacrimation and adversely affects feed intake. We aimed to find out why feed intake is reduced for sheep in ammonia conditions typical of live export by measuring nutritional behaviour...

  6. Dietary diversity affects feeding behaviour of suckling piglets

    Contributor(s):: Middelkoop, Anouschka, Choudhury, Raka, Gerrits, Walter J. J., Kemp, Bas, Kleerebezem, Michiel, Bolhuis, J. Elizabeth

    Stimulating solid feed intake in suckling piglets is important to facilitate the weaning transition, exemplified by the positive correlation between pre- and post-weaning feed intake. The present study compared the effect of dietary diversity (i.e. offering two feeds simultaneously) and flavour...

  7. 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...

  8. Feeding behavior and the effect of photoperiod on the performance and hematological parameters of the pacama catfish ( Lophiosilurus alexandri)

    Contributor(s):: Kitagawa, A. T., Costa, L. S., Paulino, R. R., Luz, R. K., Rosa, P. V., Guerra-Santos, B., Fortes-Silva, R.

    The aim of this study was to evaluate the rhythms of feeding and locomotor activity, the ability to synchronize to a fixed feeding time, and the influence of photoperiod on the growth parameters, feed intake and hematological parameters of a recently introduced fish in freshwater Brazilian...

  9. The effect of presenting forage in multi-layered haynets and at multiple sites on night time budgets of stabled horses

    Contributor(s):: Ellis, A. D., Redgate, S., Zinchenko, S., Owen, H., Barfoot, C., Harris, P.

    The aim of this study was to explore the efficacy of multi-layered haynets and multiple presentation of haynets to increase time spent on feed intake behaviour at night (13 h observation). For preliminary assessment two horses performing the oral stereotypy of crib-biting were included. Six...

  10. Understanding feeding patterns in growing pigs by modelling growth and motivation

    Contributor(s):: Boumans, I. J. M. M., Bokkers, E. A. M., Hofstede, G. J., Boer, I. J. M. de

    Feeding is an essential behaviour for body maintenance in pigs and closely related to their growth and productivity performance. Mechanisms underlying feeding behaviour in pigs are still unclear. Understanding these mechanisms can provide valuable insights into the complex interactions among...

  11. 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...

  12. 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...

  13. 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...

  14. 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...

  15. 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...

  16. What do calves choose to eat and how do preferences affect behaviour?

    Contributor(s):: Webb, L. E., Engel, B., Berends, H., Reenen, C. G. van, Gerrits, W. J. J., Boer, I. J. M. de, Bokkers, E. A. M.

    Calves raised for milk or meat are fed diets that differ from feral-herd calf diets and are based on the nutritional requirements of the 'average calf'. These diets may not meet the dietary preferences of each individual calf. This study explored diet preferences in calves with free dietary...

  17. Environmental factors that affect the behavior and welfare of domestic cats ( Felis silvestris catus) housed in cages

    Contributor(s):: Stella, J., Croney, C., Buffington, T.

    Understanding environmental factors that affect the behavior of cats in cages is important if caretakers are to improve the welfare of confined cats. The aim of this study was to examine the effects of the macro (room) and micro (cage) environments on cat behavior and their implications for cat...

  18. Facilitating 'learning from mom how to eat like a pig' to improve welfare of piglets around weaning

    Contributor(s):: Oostindjer, M., Kemp, B., Brand, H. van den, Bolhuis, J. E.

    Piglets in commercial husbandry are weaned abruptly and at a rather young age. Many weanling piglets are poorly adapted to ingest solid food, often resulting in a period of underfeeding. The underfeeding generally leads to a poor growth, diarrhoea occurrence and the development of damaging...

  19. Tackling dog obesity by tackling owner attitudes.

    Contributor(s):: Bland, I., Hill, J.

  20. Development and validation of a behavioral acclimation protocol for cats to respiration chambers used for indirect calorimetry studies

    Contributor(s):: Gooding, M. A., Duncan, I. J. H., Atkinson, J. L., Shoveller, A. K.

    Cats exposed to novel environments initiate stress responses by behavioral and physiological changes that modify metabolism and lead to the collection of unreliable data. Fourteen cats (10+or-2 months) were subjected to an 11-week acclimation procedure to adapt to restriction within chambers used...