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  1. 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...

  2. 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...

  3. Impact of animal welfare on costs and viability of pig production in the UK

    Contributor(s):: Bornett, H. L. I., Guy, J. H., Cain, P. J.

    The European Union welfare standards for intensively kept pigs have steadily increased over the past few years and are proposed to continue in the future. It is important that the cost implications of these changes in welfare standards are assessed. The aim of this study was to determine the...

  4. Science, pigs, and politics: a New Zealand perspective on the phase-out of sow stalls

    Contributor(s):: Weaver, S. A., Morris, M. C.

    In 2001, the Australian Journal of Agricultural Research published a review article on the science associated with the use of the sow stall, and claimed that "no scientific evidence to support the recommendation in the Code of Practice advising against housing of sows in stalls followed by...

  5. A case control study of on-farm risk factors for tail biting in pigs

    Contributor(s):: Moinard, C., Mendl, M., Nicol, C. J., Green, L. E.

  6. A note on the effect of handling quality prior to mixing on behaviour at mixing in pigs

    Contributor(s):: Mendl, M., Young, S., Lawrence, A. B.

    Previous research has raised the possibility that levels of aggression between pigs may be influenced by their state of arousal and excitement at the time of mixing. This may, in turn, be affected by factors such as the way in which pigs are handled prior to mixing. We attempted the first...

  7. Acute and chronic exposure to ammonia and olfactory acuity for n -butanol in the pig

    Contributor(s):: Jones, J. B., Wathes, C. M., Persaud, K. C., White, R. P., Jones, R. B.

    An associative learning method (using a food reward) was developed to measure pigs' olfactory acuity for n-butanol, a standard odourant in human olfactometry. Six of 8 intact Duroc x Landrace crossbred male pigs were used for the study. The pigs could press two operant paddles but it only...

  8. Alternative housing for sows and litters 1. Effects of sow-controlled housing on responses to weaning

    Contributor(s):: Pajor, E. A., Weary, D. M., Fraser, D., Kramer, D. L.

    A sow-controlled housing system and its affects on production and welfare problems resulting from the abrupt separation of piglets from sows at weaning was investigated. 44 sows and litters were housed during lactation in either a 'confined' pen where the sow and litter were kept together, or a...

  9. Alternative housing for sows and litters. Part 3. Effects of piglet diet quality and sow-controlled housing on performance and behaviour

    Contributor(s):: Pajor, E. A., Weary, D. M., Caceres, C., Fraser, D., Kramer, D. L.

    We studied how "sow-controlled" housing (i.e. housing where sows can leave their piglets at will) affects the behaviour and performance of sows and litters when tested under near-commercial conditions and with two different levels of piglet diet quality. Sows and litters were housed in pens where...

  10. Alternative housing for sows and litters. Part 4. Effects of sow-controlled housing combined with a communal piglet area on pre- and post-weaning behaviour and performance

    Contributor(s):: Weary, D. M., Pajor, E. A., Bonenfant, M., Fraser, D., Kramer, D. L.

    Previous experimental work has shown modest and variable production and welfare benefits for the lactating sow and piglets when sows are allowed to separate themselves temporarily from their piglets, or when piglets have access to a communal creep area sufficiently attractive that they spend...

  11. Alternative housing for sows and litters. Part 5. Individual differences in the maternal behaviour of sows

    Contributor(s):: Pitts, A. D., Weary, D. M., Fraser, D., Pajor, E. A., Kramer, D. L.

    'Sow-controlled' housing has been developed to address welfare and production concerns associated with close confinement of the lactating sow and her litter, by permitting the sow to leave the litter at will. However, there is a risk that variation in the use of the piglet-free ('get-away') area...

  12. Alternative housing for sows and litters: 2. Effects of a communal piglet area on pre- and post-weaning behaviour and performance

    Contributor(s):: Weary, D. M., Pajor, E. A., Bonenfant, M., Ross, S. K., Fraser, D., Kramer, D. L.

    An experiment was conducted to determine how allowing piglets access to a communal area affects pre-weaning and post-weaning behaviour and performance. Litters were housed in pens with sows in crates until piglets reached 11 days of age. For 10 experimental cohorts, barriers between the pens of...

  13. Behaviour of 3-week weaned pigs in Straw-FlowReg., deep straw and flatdeck housing systems

    Contributor(s):: Kelly, H. R. C., Bruce, J. M., English, P. R., Fowler, V. R., Edwards, S. A.

    The behaviour of 3-week weaned pigs in different housing systems was examined as part of an assessment of the suitability of the Straw-Flow system for pigs of this age. Three replicate pens of 20 pigs were weaned at 6.4 kg liveweight into each of: (a) deep-straw; (b) Straw-Flow; (c) large...

  14. Behavioural and physiological consequences of acute social defeat in growing gilts: effects of the social environment

    Contributor(s):: Ruis, M. A. W., Groot, J. de, Brake, J. H. A. te, Ekkel, E. D., Burgwal, J. A. van de, Erkens, J. H. F., Engel, B., Buist, W. G., Blokhuis, H. J., Koolhaas, J. M.

    Endocrine, behavioural and immunological processes, together with body growth, were evaluated in gilts that were defeated at 10 weeks of age in resident-intruder tests. Immediately after defeat, gilts were either separated from or reunited with a familiar conspecific (litter-mate; always a...

  15. Cross-suckling and nursing synchronisation in group housed lactating sows

    Contributor(s):: Maletinska, J., Spinka, M.

    Group housing systems for lactating sows with piglets enable the animals to behave more naturally than traditional restrictive systems. However, piglets may occasionally suckle from other sows than their mother. The influence of litter size, age of the litter, mother parity, piglet gender and, in...

  16. Effects of grouping piglets and changing sow location on suckling behaviour and performance

    Contributor(s):: Wattanakul, W., Stewart, A. H., Edwards, S. A., English, P. R.

    36 sows and litters were used to study how suckling behaviour was influenced by grouping of piglets and changing sow location under controlled conditions. Control sows (C) remained in farrowing pens with crates until weaning at 28 days. In treatment 1 (T1), piglets from 3 litters were grouped in...

  17. Effects of straw bedding and high fibre diets on the behaviour of floor fed group-housed sows

    Contributor(s):: Whittaker, X., Edwards, S. A., Spoolder, H. A. M., Lawrence, A. B., Corning, S.

    Twenty groups of 7 multiparous Landrace x Large White sows were used in a 2 x 2 factorial design to investigate the effects on behaviour of floor feeding sows the same daily weight of isoenergetic conventional (C) or high fibre (H containing 600 g of unmolassed sugar beet pulp/kg diet) pregnancy...

  18. 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...

  19. Influence of environmental stimuli on nest building and farrowing behaviour in domestic sows

    Contributor(s):: Thodberg, K., Jensen, K. H., Herskin, M. S., Jorgensen, E.

    The effects of floor type (sand vs. concrete) and substrate type (straw feeder vs. no straw feeder) were examined using a 2 x 2 factorial design with 9 replicates of 4 multiparous sows. From 1 week prepartum until 2 weeks after farrowing, sows were penned individually in roofed 7.6 msuperscript 2...

  20. Nest building and farrowing in sows: relation to the reaction pattern during stress, farrowing environment and experience

    Contributor(s):: Thodberg, K., Jensen, K. H., Herskin, M. S.

    Nest building and farrowing behaviour of 40 Landrace/Yorkshire (L/Y) sows was studied in their first and second parity. In the first parity, the gilts were either housed in a crate or a "get-away-pen" (GAP) and in the second parity, either the same farrowing environment was used again or the sow...