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  1. 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...

  2. The lifecycle of the farm pig: a review of Welfare of Pigs from Birth to Slaughter [Book Review]

    Contributor(s):: Ormandy, E.

    A book review of Welfare of pigs from birth to slaughter . Edited by Luigi Faucitano and Allan L. Schaefer. Wageningen, the Netherlands: Wageningen Academic, 2008. 316 pp. ISBN: 9086860664. Hardcover, $127

  3. A multidisciplinary approach to assess the welfare of weaned pigs during transport at three space allowances

    Contributor(s):: Sutherland, M. A., Bryer, P. J., Davis, B. L., McGlone, J. J.

    Transport can be a stressful experience for pigs, especially in pigs simultaneously experiencing weaning stress. The objective of this study was to use a multidisciplinary approach to assess the welfare of weaned pigs during transport at 3 space allowances. A commercial semitrailer, fitted with...

  4. Increasing the frequency of co-mingling piglets during the lactation period alters the development of social behavior before and after weaning

    Contributor(s):: Kanaan, V. T., Lay, D. C., Jr., Richert, B. T., Pajor, E. A.

    The purpose of this study was to determine how increasing the frequency of co-mingling affected piglets' behavior development before and after weaning. Co-mingling once (CM1), piglets interacted with 1 unfamiliar litter Days 10-18 after birth; co-mingling twice (CM2), piglets interacted with 1...

  5. A combination of behavioral and physiological indicators for assessing pig welfare on the farm

    Contributor(s):: Candiani, D., Salamano, G., Mellia, E., Doglione, L., Bruno, R., Toussaint, M., Gruys, E.

    The purpose of this research was to identify pig welfare indicators that could help in recognizing stressful practices on farm. The study evaluated behavioral and physiological indicators (cortisol and negative acute phase proteins) in 2 groups of 20 female pigs 4 months old after a 48-hr...

  6. Using data collected for production or economic purposes to research production animal welfare: an epidemiological approach

    Contributor(s):: Dewey, C., Haley, C., Widowski, T., Friendship, R., Sunstrum, J., Richardson, K.

    Epidemiologists use the analyses of large data sets collected for production or economic purposes to research production nonhuman animal welfare issues in the commercial setting. This approach is particularly useful if the welfare issue is rare or hard to reproduce. However, to ensure the...

  7. Livestock vehicle accidents in Spain: causes, consequences, and effects on animal welfare

    Contributor(s):: Miranda-de la Lama, G. C., Sepulveda, W. S., Villarroel, M., Maria, G. A.

    Livestock vehicle accidents are rare but involve significant economic, human, and nonhuman farm animal losses. This study obtained information on the characteristics of accidents, the animals involved, and injuries to humans from newspaper reports about livestock vehicle accidents in Spain from...

  8. 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...

  9. Simple cannulation procedure for serial blood sampling through cutaneous ulnar vein in chickens

    Contributor(s):: Bayer, D. M., Mohan, K., Jayakumar, K., Manafi, M., Pavithra, B. H.

    The objective of the study was to collect repeated, low-stress blood samples from the ulnar vein of chickens required for pharmacokinetic studies or hormonal assays. The study used 5 apparently healthy, unsexed, commercial broiler chickens about 6 weeks old and weighing 1.7-1.9 kg for serial...

  10. Using conjoint analysis to weight broiler welfare variables based on slaughterhouse data

    Contributor(s):: Tuunainen, P., Valaja, J., Valkonen, E., Hepola, H.

    The Council of the European Union adopted the welfare directive for broiler chickens in 2007 (Commission of the European Communities, 2007). The directive defines minimum demands and objectives for broiler production ranging from stocking density to welfare. This study found that the level of...

  11. 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...

  12. Nest building and posture changes and activity budget of gilts housed in pens and crates

    Contributor(s):: Andersen, I. L., Vasdal, G., Pedersen, L. J.

    The aim of the present work was to study nest building, posture changes and the overall activity budget of gilts in pens vs. crates. Twenty-three HB gilts (high piglet survival day 5) and 21 LB gilts (low piglet survival day 5) were video recorded from day 110 in pregnancy to four days after...

  13. Effects of genetic selection for residual feed intake on behavioral reactivity of castrated male pigs to novel stimuli tests

    Contributor(s):: Colpoys, J. D., Abell, C. E., Young, J. M., Keating, A. F., Gabler, N. K., Millman, S. T., Siegford, J. M., Johnson, A. K.

    Increasing feed efficiency in swine is important for increasing sustainable food production and profitability for producers; therefore, this is often selected for at breeding. Residual feed intake (RFI) can be used for the genetic selection of pigs for feed efficiency. In our selection project,...

  14. A review of the effects of prostaglandins on sexual behavior in boars

    Contributor(s):: Estienne, M. J.

    Artificial insemination (AI) is the primary method of breeding sows in many countries worldwide. In general, semen for AI is collected using the gloved hand technique from boars trained to mount an artificial sow, although automated collection systems have been developed and are in use on some...

  15. Lack of mirror use by pigs to locate food

    Contributor(s):: Gieling, E. T., Mijdam, E., Staay, F. J. van der, Nordquist, R. E.

    Many mammalian species, as well as birds, are able to use a mirror either in the context of self-recognition, or instrumentally for discovering and manipulating objects that cannot be perceived directly. A noteworthy study by Broom et al. (2009) investigated the ability of pigs ( Sus scrofa) to...

  16. Socialising piglets in lactation positively affects their post-weaning behaviour

    Contributor(s):: Morgan, T., Pluske, J., Miller, D., Collins, T., Barnes, A. L., Wemelsfelder, F., Fleming, P. A.

    Although commercial farrowing sheds keep individual litters separated, previous studies have suggested that housing systems that allow socialisation of piglets pre-weaning can reduce aggression after weaning. This study tested whether pigs socialised with non-litter mates pre-weaning would show...

  17. Effects of chronic intake of starch-, glucose- and fructose-containing diets on eating behaviour in adult minipigs

    Contributor(s):: Ochoa, M., Malbert, C. H., Lalles, J. P., Bobillier, E., Val-Laillet, D.

    Introduction: The aim of this study was to assess whether chronic intake of isocaloric high-fat diets differing partly in the source of carbohydrates (starch, glucose or fructose) and fed at the same level of intake impacts eating behaviour in the adult Yucatan minipig. Methods: Adult minipigs...

  18. Group suckling cohesion as a prelude to the formation of teat order in piglets

    Contributor(s):: Skok, J., Skorjanc, D.

    During the lactation period, piglets experience intense social interactions with their littermates until they establish a reliable teat order on the mother's udder. Here, we examined group suckling cohesion in piglet littermates, an order mechanism that refer to the maintenance of significantly...

  19. Chewable materials before weaning reduce tail biting in growing pigs

    Contributor(s):: Telkanranta, H., Swan, K., Hirvonen, H., Valros, A.

    Tail biting in pigs is a multi-factorial problem, and the early rearing environment has been proposed as a potential previously unidentified factor. The aim of this study was to test whether access to chewable material from birth to weaning reduces later tail biting. Undocked litters of 59 sows...

  20. Tail biting behaviour and tail damage in pigs and the relationship with general behaviour: predicting the inevitable?

    Contributor(s):: Ursinus, W. W., Reenen, C. G. van, Kemp, B., Bolhuis, J. E.

    Tail biting behaviour in pigs is a common problem in conventional housing systems. Our study examined the consistency over time in tail biting and tail damage and it explored the predictive value of general behaviours observed in individual pigs and in pens as a whole. Pigs ( n=480), reared in...