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  1. A note on the effects of additional sow gruntings on suckling behaviour in piglets

    Contributor(s):: Kasanen, S., Algers, B.

    The aim of this project was to determine if it is possible to stimulate suckling in piglets kept with their mother to suck by exposing them to a recorded grunting of a sow, and if so, to study if they act normally when their own mother is grunting. Finally, we wanted to find out how the piglets...

  2. Assessment of acute pain experienced by piglets from ear tagging, ear notching and intraperitoneal injectable transponders

    Contributor(s):: Leslie, E., Hernandez-Jover, M., Newman, R., Holyoake, P.

    Suckling piglets are routinely identified to assist with their day-to-day management. A total of 120 suckling piglets were used to determine and compare the short-term pain responses to a number of identification methodologies, including: ear notching, ear tagging and intraperitoneal injection...

  3. Birth weight variation in the domestic pig: effects on offspring survival, weight gain and suckling behaviour

    Contributor(s):: Milligan, B. N., Fraser, D., Kramer, D. L.

    In domestic pigs, litter-mates often vary considerably in birth weight. To examine whether this size variation influences piglet survival, weight gain and suckling behaviour, we experimentally manipulated the number and size distribution of litter-mates in 51 litters. Litters were small (eight or...

  4. 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...

  5. Dimensions of maternal behaviour characteristics in domestic and wild x domestic crossbred sows

    Contributor(s):: Spinka, M., Illmann, G., Jonge, F. de, Andersson, M., Schuurman, T., Jensen, P.

    We examined the maternal behaviour of seven domestic and seven wildxdomestic primiparous sows during 10 days post partum at the Wageningen Agricultural University, Neatherlands during April-June 1997 to investigate two questions: (1) Did maternal behaviour change during domestication? (2) Can the...

  6. Effects of early contact between non-littermate piglets and of the complexity of farrowing conditions on social behaviour and weight gain

    Contributor(s):: Kutzer, T., Bunger, B., Kjaer, J. B., Schrader, L.

    In this study we tested if contact possibilities between non-littermate piglets and complexity of farrowing conditions affect the pre- and post-weaning behaviour, weight gain and skin lesions of piglets. Suckling sows were either kept in a group housing system (GH), in a single pen loose housing...

  7. 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...

  8. Experience of moderate bedding affects behaviour of growing pigs

    Contributor(s):: Munsterhjelm, C., Peltoniemi, O. A. T., Heinonen, M., Halli, O., Karhapaa, M., Valros, A.

    Effects of early substrate-enrichment on behaviour and productivity of pigs were evaluated in a trial with four siblings as the experimental unit. Pens either were (=E) or were not (=0) moderately bedded with wood shavings and chopped straw during suckling (0-4 weeks of age), nursery (5-9 weeks)...

  9. Individual differences in responses of piglets to weaning at different ages

    Contributor(s):: Mason, S. P., Jarvis, S., Lawrence, A. B.

    Several studies indicate each piglet within a litter is affected differently by weaning and that these individual responses may be altered by the age of the litter at weaning. In the present study, eight litters of individually marked piglets (n=79) were randomly assigned to be weaned at 21 or 35...

  10. Nursing behaviour of sows during 5 weeks lactation and effects on piglet growth

    Contributor(s):: Valros, A. E., Rundgren, M., Spinka, M., Saloniemi, H., Rydhmer, L., Algers, B.

    The main goal of this study was to investigate the effect of sow nursing behaviour on piglet liveweight gain and within-litter variation (WLV) in piglet liveweight gain under as naturalistic conditions as possible. In order to achieve this, patterns of sow nursing behaviour and piglet liveweight...

  11. Partial tooth-clipping of suckling pigs: effects on neonatal competition and facial injuries

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

    Two experiments investigated the effects on facial injury and piglet performance of partial clipping of needle teeth, whereby only the distal third of the tooth is removed. In experiment 1, teeth were partially clipped, fully clipped to the gum line, or left intact. All piglets of a litter...

  12. Personalities in female domesticated pigs: behavioural and physiological indications

    Contributor(s):: Ruis, M. A. W., Brake, J. H. A. te, Burgwal, J. A. van de, Jong, I. C. de, Blokhuis, H. J., Koolhaas, J. M.

    A total of 128 gilts from 31 sows were systematically studied from birth to slaughter in two identical trials. Intra-test consistency in individual behavioural and/or physiological reactions was studied in three different tests. There were no consistencies in reactions of gilts over time to a...

  13. Sow behaviour involved in the crushing of piglets in outdoor farrowing huts - a brief report

    Contributor(s):: Vieuille, C., Berger, F., Pape, G. le, Bellanger, D.

    This study focuses on maternal activities involved in the trapping of piglets by the sow's body in outdoor farrowing systems and examine the mother-piglet context leading either to the death of piglets or to their survival. The behaviour of six Large-White x Landrace sows and their litters was...

  14. Individual differences in aggression and physiology in peri-pubertal breeding gilts

    Contributor(s):: Geverink, N. A., Schouten, W. G. P., Gort, G., Wiegant, V. M.

    Several recent studies on pigs have demonstrated a relationship between the degree of resistance displayed in a so-called "backtest" and a variety of behavioural and physiological responses in piglets and young fattening pigs. However, the discussion about the predictive power of the backtest is...

  15. Maternal behaviour of domestic sows and crosses between domestic sows and wild boar

    Contributor(s):: Gustafsson, M., Jensen, P., Jonge, F. H. de, Illmann, G., Spinka, M.

    Maternal behaviour was compared in 7 (Yorkshire x Dutch Landrace) x Yorkshire sows (domestic) and 7 (Yorkshire x Dutch Landrace) x wild boar sows (wild-type) before and up to 3 weeks after farrowing. All sows were primiparous and were maintained in an outdoor system with farrowing huts containing...

  16. Predictability of nursings without milk ejection in domestic pigs

    Contributor(s):: Illmann, G., Spinka, M., Stetkova, Z.

    Seven to 8 days after farrowing the suckling behaviour of 7 sows and their piglets (n = 8-10 per sow) was recorded for 24 h. Piglets were separated from the sows and were released into the sow's pen every 35 min to allow them to suckle. Teat massaging movements and sows' grunts were counted...

  17. The characterisation of suckling in wild boar

    Contributor(s):: Horrell, I.

    Suckling was observed over a total of 5 lactations in two wild boar (Sus scrofa L.) sows in semi-natural enclosures. 61 suckling periods were recorded at 4 stages post-partum: 12-48 h, 6-8 days, 2-4 weeks, and 6-7 weeks. In contrast to a previous account, it was found that the detailed...

  18. The gradual weaning process in outdoor sows and piglets in relation to nematode infections

    Contributor(s):: Damm, B. I., Pedersen, L. J., Jessen, L. B., Thamsborg, S. M., Mejer, H., Ersboll, A. K.

    In EU organic pig production it is required that the piglets are weaned no earlier than 6 weeks of age. During the lactation period, a gradual weaning process occurs. Outdoor and organic pig production differ markedly from semi-natural and indoor environments, where the gradual weaning process...

  19. The responsiveness of sows to their piglets in relation to the length of parturition and the involvement of endogenous opioids

    Contributor(s):: Jarvis, S., McLean, K. A., Calvert, S. K., Deans, L. A., Chirnside, J., Lawrence, A. B.

    The aim of this study was to describe maternal behaviour in the pig and to investigate the effect of endogenous opioids on maternal responsiveness. The behaviour of 16 Large White x Landrace female pigs was recorded around farrowing. The pig's posture and her response when piglets were present at...

  20. Piglets' weaning behavioural response is influenced by quality of human-animal interactions during suckling

    Contributor(s):: Sommavilla, R., Hotzel, M. J., Costa, O. A. D.