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  1. 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...

  2. 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.

  3. Influence of teeth resection on the skin temperature and acute phase response in newborn piglets

    Contributor(s):: Llamas Moya, S., Boyle, L. A., Lynch, P. B., Arkins, S.

  4. Can sow pre-lying communication or good piglet condition prevent piglets from getting crushed?

    Contributor(s):: Melisova, M., Illmann, G., Andersen, I. L., Vasdal, G., Haman, J.

    This study focused on the impact of sow-piglet communication during pre-lying behaviour and piglet condition on piglet location before the sow was lying down and on the incidence of piglet crushing. Eighteen loose-housed, Yorkshire x Norwegian Landrace sows and their litters were studied on Day 1...

  5. Effect of a synthetic plate in the lying area on lying behaviour, degree of fouling and skin lesions at the leg joints of finishing pigs

    Contributor(s):: Savary, P., Gygax, L., Wechsler, B., Hauser, R.

    Flooring type may have a major influence on thermoregulatory behaviour in finishing pigs, as well as on the occurrence of skin lesions at their leg joints and pen fouling. In this study, we compared the lying behaviour, pen fouling and the occurrence of leg lesions in finishing pigs kept in...

  6. Floor temperature preference of sows at farrowing

    Contributor(s):: Phillips, P. A., Fraser, D., Pawluczuk, B.

    A preference testing apparatus was used to provide sows with continuous access to 3 identical farrowing crates, each with a different floor temperature. The concrete floor under each crate contained copper pipe through which temperature-controlled water was circulated to achieve unoccupied floor...

  7. Group sizes and resting locations of free range pigs when grazing in a natural environment

    Contributor(s):: Rodriguez-Estevez, V., Sanchez-Rodriguez, M., Gomez-Castro, A. G., Edwards, S. A.

    A herd of 86 Iberian pigs aged 13+or-0.5 months and with an average live weight of 110+or-1.3 kg at the start of the study was followed to monitor their social organisation (spontaneous group size: GS) and resting preferences when free ranging on natural pastures in a dehesa of evergreen oaks...

  8. Synthetic lying mats may improve lying comfort of gestating sows

    Contributor(s):: Tuyttens, F. A. M., Wouters, F., Struelens, S., Sonck, B., Duchateau, L.

    A prototype lying mat as an alternative to straw bedding for improving sow lying comfort was evaluated using a dynamic group of 47 gestating sows housed in a pen with 5 communal lying areas. Mats were installed in 3 lying areas while the concrete floors of the remaining lying areas remained...

  9. Vocalizations by isolated piglets: a reliable indicator of piglet need directed towards the sow

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

    Four piglets (20-26 days old) from each of 10 litters were isolated from the sow. Piglets doubled their call rate in response to playback of sow calls, indicating that piglets are directing calls towards the sow. Also, 54 (9-11 days old) piglets from 20 litters were paired for weight and isolated...

  10. A flooring comparison: the impact of rubber mats on the health, behavior, and welfare of group-housed sows at breeding

    Contributor(s):: Elmore, M. R. P., Garner, J. P., Johnson, A. K., Richert, B. T., Pajor, E. A.

    Comfortable flooring may impact many aspects of an animal's welfare, including lying behavior, an animal's ability to change postures, and incidence of lameness and lesions. Therefore, we hypothesized that the addition of rubber mats to stalls of group pens would improve sow health, comfort and...

  11. Influence of straw length, sow behaviour and room temperature on the incidence of dangerous situations for piglets in a loose farrowing system

    Contributor(s):: Burri, M., Wechsler, B., Gygax, L., Weber, R.

    Crushing of piglets can be a major problem in loose-housing farrowing systems. In this study, we investigated the influence of straw of different lengths provided as nest-building material, sow behaviour and room temperature on the incidence of dangerous situations for the piglets. Piglets were...

  12. Perforated-floor preference of weanling pigs

    Contributor(s):: Pouteaux, V. A., Christison, G. I., Stricklin, W. R.

    Groups of 4 weanling pigs were placed for 1 h in a 1.22 x 1.22 m pen which had a different floor type in each quadrant. The 4 perforated floors were: expanded metal, plastic-coated expanded metal, fibreglass slats, and moulded plastic. The floor on which the pigs stood or lay was noted at 1-min...

  13. Influences of intermittent daily draught on the behaviour of weaned pigs

    Contributor(s):: Scheepens, C. J. M., Hessing, M. J. C., Laarakker, E., Schouten, W. G. P., Tielen, M. J. M.

    The influence of time-unpredictable draught (forced cold air) on the behaviour of pigs was observed in a climate-controlled pig house with 2 identical rooms each with 5 pens. Two days after farrowing, pigs were matched pairwise to correct for genetic, weight and sex differences, and weaning at an...

  14. Piglet preference for infrared temperature and flooring

    Contributor(s):: Vasdal, G., Mogedal, I., Boe, K. E., Kirkden, R., Andersen, I. L.

    The aim of these experiments was to examine piglet preferences for different types of infrared temperatures and flooring at 24 h of age. In Experiment 1, 10 piglets from each of 18 litters were distributed between three pairwise infrared temperature treatments (6 litters in each pairwise test):...

  15. Does floor heating around parturition affect the vitality of piglets born to loose housed sows?

    Contributor(s):: Malmkvist, J., Pedersen, L. J., Damgaard, B. M., Thodberg, K., Jorgensen, E., Labouriau, R.

    The most critical period for the survival of piglets is during the first 2 days of life. Causes of early piglet mortality include reduced vitality due to hypoxia during parturition, hypothermia and lack of adequate colostrum intake. Besides, low vitality piglets may run a larger risk of being...

  16. The group postural behaviour of growing pigs in relation to air velocity, air and floor temperature

    Contributor(s):: Geers, R., Goedseels, V., Parduyns, G., Vercruysse, G.

    In 3 experiments with 6 piglets each (3 males, 3 females), given access to a pen with 4 plates having different surface temp. and an air-velocity gradient, group postural behaviour was filmed with a video camera and analysed. The results indicate that temp. control of the floor surface can create...

  17. Thermal behaviour of growing pigs in response to high temperature and humidity

    Contributor(s):: Huynh, T. T. T., Aarnink, A. J. A., Gerrits, W. J. J., Heetkamp, M. J. H., Canh, T. T., Spoolder, H. A. M., Kemp, B., Verstegen, M. W. A.

    The effects of high ambient temperatures and humidities on thermal behavioural adaptation and pen fouling of group-housed growing pigs were assessed. Twelve groups of 10 gilts of an average initial body weight (BW) of 61.7 kg were used. During nine experimental days, ambient temperatures were...

  18. The ear skin temperature as an indicator of the thermal comfort of pigs

    Contributor(s):: Andersen, H. M. L., Jorgensen, E., Dybkjaer, L., Jorgensen, B.

    The aim of the study was to investigate the relationship between the ear skin temperature and the behaviour of pigs. Fifty-four pigs weighing 75+or-5 kg were used in three replications (18 pigs per replication) and housed in pens (six pigs per pen) in a controlled climate facility. The room...

  19. A note on variations in pig blood temperature measured at exsanguination

    Contributor(s):: Brown, S. N., Knowles, T. G., Wilkins, L. J., Pope, S. J., Kettlewell, P. J., Chadd, S. A., Warriss, P. D.

    This study investigated the temperature of pigs' blood as it flowed from the sticking wound at exsanguination using infra-red thermometry and how it might reflect changes in core body temperature. A total of 417 pigs were monitored over a three-day period, which included a subset of 206 pigs for...

  20. A review of welfare in cattle, sheep and pig lairages, with emphasis on stocking rates, ventilation and noise

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

    Appropriate space allowances for animals are yet to be specifically determined for lairage. Space allowances that may be suitable for animals in lairage are suggested, based on reviewed studies of animals in transport, lairage and on farm. The longer animals are in lairage the more space they...