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  1. Genetic analysis of the individual pig behaviour in backtests and human approach tests

    Contributor(s):: Scheffler, K., Stamer, E., Traulsen, I., Krieter, J.

    The most recent development in pig production has focused increasingly on the well-being of the individual pig and animal-friendly housing conditions, i.e. the launch of the group housing of sows in the EU. In this regard, however, standard procedures which may be stressful to the animals and...

  2. 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...

  3. 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...

  4. Can ambient sound reduce distress in piglets during weaning and restraint?

    Contributor(s):: Cloutier, S., Weary, D. M., Fraser, D.

    This study monitored the vocal responses of piglets, as indicators of well-being, to evaluate the effect of various sounds played during 2 simulations of stressful farm procedures: (a) the 5 min the animals were held as if for castration and (b) the first 20 h after weaning. The sound treatments...

  5. Differences in open field behavior between heterozygous and homozygous negative gilts for the RYR(1) gene

    Contributor(s):: Fabrega, E., Diestre, A., Font, J., Carrion, D., Velarde, A., Ruiz-de-la-Torre, J. L., Manteca, X.

    A test widely used to assess fear and novelty responses in domestic species is the open field. The aim of this study was to investigate the effect of RYR(1) genotype on open field behavior in growing pigs. The study subjected 15 heterozygous (Nn) and 15 RYR(1)-free (NN) gilts of 19 weeks of age...

  6. Do domestic pigs in controlled environments contrafreeload?

    Contributor(s):: Young, R. J., Lawrence, A. B.

    Many experiments report that animals will work (lever press) for food in the presence of freely available identical food. This phenomenon has attracted the attention of applied ethologists because it seems to prove that animals have a need to express appetitive behaviour. If this is the case,...

  7. Hoop housing for feeder pigs offers a welfare-friendly environment compared to a nonbedded confinement system

    Contributor(s):: Lay, D. C., Jr., Haussmann, M. F., Daniels, M. J.

    A nonbedded confinement system (NBCS) was compared with hoop structures (Hoop) for housing of feeder pigs. The Hoop is an inexpensive alternative to the total confinement system. Open-ended Quonsets shaped like a half cylinder lying on its flat side, the Hoop use bedding to keep the pigs dry and...

  8. 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...

  9. Scientists' assessment of the impact of housing and management on animal welfare

    Contributor(s):: Anonymous

    A total of 22 scientists contributed to a consensus-oriented conceptual framework for assessment of farm animal welfare, addressing priority issues in cattle, pigs, and chickens. They used the Delphi method, in which participants contributed anonymously through e-mail. The framework puts welfare...

  10. Segregated Early Weaning and Welfare of Piglets

    Contributor(s):: Robert, Suzanne

    Focuses on the key features of segregated early weaning (SEW) and main welfare issues involved in raising piglets in the United States. Effects of early weaning on behavior and well-being of piglets; Behavioral response of piglets weaned at different ages; Comparison between the effects of SEW...

  11. The effect of environmental manipulation on behavior, salivary cortisol, and growth of piglets weaned at 14 days of age

    Contributor(s):: Rodarte, L. F., Ducoing, A., Galindo, F., Romano, M. C., Valdez, R. A.

    Environmental enrichment can be a useful tool to reduce belly nosing behaviors in early weaned piglets. The aim of this study was to assess the effect of environmental enrichment on behavior, salivary cortisol, and productivity of piglets weaned at 14 days of age. The study assigned 112 piglets...

  12. Interaction between sows' aggressiveness post mixing and skin lesions recorded several weeks later

    Contributor(s):: Tonepohl, B., Appel, A. K., Voss, B., Borstel, U. K. von, Gauly, M.

  13. Anticipation of a food ball increases short-term activity levels in growing pigs

    Contributor(s):: Imfeld-Mueller, S., Hillmann, E.

  14. Apparent prevalence of swine brucellosis in feral swine in the United States

    Contributor(s):: Pedersen, K., Bevins, S. N., Schmit, B. S., Lutman, M. W., Milleson, M. P., Turnage, C. T., Bigelow, T. T., DeLiberto, T. J.

  15. Differing results for motivation tests and measures of resource use: the value of environmental enrichment to gestating sows housed in stalls

    Contributor(s):: Elmore, M. R. P., Garner, J. P., Johnson, A. K., Kirkden, R. D., Patterson-Kane, E. G., Richert, B. T., Pajor, E. A.

  16. Effect of genetic homogeneity on behavioural variability in an object recognition test in cloned Gottingen minipigs

    Contributor(s):: Sondergaard, L. V., Herskin, M. S., Ladewig, J., Holm, I. E., Dagnaes-Hansen, F.

  17. Effect of increasing temperature on space requirements of group housed finishing pigs

    Contributor(s):: Spoolder, H. A. M., Aarnink, A. A. J., Vermeer, H. M., Riel, J. van, Edwards, S. A.

  18. Effect of marginal environmental and social enrichment during rearing on pigs' reactions to novelty, conspecifics and handling

    Contributor(s):: Tonepohl, B., Appel, A. K., Welp, S., Voss, B., Borstel, U. K. von, Gauly, M.

  19. Environmental enrichment induces optimistic cognitive biases in pigs

    Contributor(s):: Douglas, C., Bateson, M., Walsh, C., Bedue, A., Edwards, S. A.

  20. Flavour preference acquired via a beverage-induced conditioning and its transposition to solid food: sucrose but not maltodextrin or saccharin induced significant flavour preferences in pigs

    Contributor(s):: Clouard, C., Chataignier, M., Meunier-Salaun, M. C., Val-Laillet, D.