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  1. Negative correlation of suckling behaviour and foal weight gain during the first week after birth

    Contributor(s):: Ninomiya, Shigeru, Mita, Tomoe, Nagamune, Sae, Shimizu, Chieko, Fukano, Yuya, Sato, Fumio

  2. The sex of the offspring affects the lamb and ewe responses to abrupt weaning

    Contributor(s):: Freitas-de-Melo, A., Ungerfeld, R.

    Female lambs have a stronger attachment with their mothers and show a greater susceptibility to stressors than male lambs. Male lambs grow faster than female lambs do, achieving a greater nutritional independence from their mothers. Our hypothesis was that female lambs and their mothers are more...

  3. Suckling, weaning, and the development of oral behaviours in dairy calves

    Contributor(s):: Veissier, Isabelle, Caré, Sara, Pomiès, Dominique

    Dairy calves are generally separated from their dam at birth. They express non-nutritive oral activities such as licking or sucking other calves or objects, nibbling, or tongue-playing, which have been related to the absence of sucking a teat and ingestive chewing. We hypothesized that the dam,...

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

    Contributor(s):: Morgan, Talia, Pluske, John, Miller, David, Collins, Teresa, Barnes, Anne L., Wemelsfelder, Françoise, Fleming, Patricia 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...

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

    Contributor(s):: Skok, Janko, Škorjanc, Dejan

    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...

  6. Formation of teat order and estimation of piglets’ distribution along the mammary complex using mid-domain effect (MDE) model

    Contributor(s):: Skok, Janko, Škorjanc, Dejan

    Domestic piglets (Sus scrofa domesticus) establish relatively stable teat order after the first week postpartum. Formation of teat order is normally accompanied by intense competition between littermates. In this period, piglets’ behaviour and their distribution along the mammary complex is...

  7. Behavioural patterns established during suckling reappear when piglets are forced to form a new dominance hierarchy

    Contributor(s):: Skok, Janko, Prevolnik, Maja, Urek, Tina, Mesarec, Nikolina, Škorjanc, Dejan

    Early life experiences considerably influence the behavioural development of the animals in which the social environment plays a crucial role. Neonatal piglets experience intense social (including aggressive) interactions when compete with their littermates for the access to teats on the sow's...

  8. Effect of mares’ dominance rank on suckling behaviour in the loose housed domestic horses

    Contributor(s):: Komárková, Martina, Bartošová, Jitka, Dubcová, Jana

    Suckling is a main part of maternal investment in equids. The suckling period is crucial for adequate physical as well as psychical development of the foal. The rank of the mother and her aggressiveness could be factors responsible for later reproductive or social success of the foal. We...

  9. Suckling behaviour and health parameters of sows and piglets in free-farrowing pens

    Contributor(s):: Lohmeier, R. Y., Gimberg-Henrici, C. G. E., Burfeind, O., Krieter, J.

    The aim of the present study was to investigate the effect of free-farrowing pens and farrowing crates on the health parameters and the suckling behaviour of sows and their piglets, which were housed in farrowing crates (FC; n = 127) and in free-farrowing pens (FP; n = 121). All sows were...

  10. Is tail biting in growing pigs reduced by a prolonged suckling period?

    Contributor(s):: Naya, Ashley, Traulsen, Imke, Gertz, Marvin, Hasler, Mario, Burfeind, Onno, große Beilage, Elisabeth, Krieter, Joachim

    It was the aim of the study to investigate the effect of a prolonged suckling period and group housing before weaning on tail biting in undocked nursery pigs. To do this, experiments with three treatment groups were investigated. In the first group, pigs were conventionally housed in pens with...

  11. Gradual weaning during an extended lactation period improves performance and behavior of pigs raised in a multi-suckling system

    Contributor(s):: van Nieuwamerongen, S. E., Soede, N. M., van der Peet-Schwering, C. M. C., Kemp, B., Bolhuis, J. E.

    We studied effects of two weaning procedures on the development of pigs raised in a multi-suckling (MS) system with five sows and their litters. One MS group was subjected to a gradual weaning treatment during a lactation period of 9 wk, which included forced intermittent-suckling (IS) for 10h/d...

  12. Gradually reducing sow contact in lactation is beneficial for piglet welfare around weaning

    Contributor(s):: de Ruyter, Emily M., van Wetter, William H. E. J., Lines, David S., Plush, Kate J.

    This study tested whether a gradual reduction in sow contact during lactation, achieved through housing the sow in a ‘sow only’ area, would influence piglet stress responses to weaning. Gradual reduction in sow contact was achieved by separating the sow from her piglets (SP, n=30) for 5, 7, and...

  13. Trade-offs between litter size and offspring fitness in domestic pigs subjected to different genetic selection pressures

    Contributor(s):: Ocepek, Marko, Newberry, Ruth C., Andersen, Inger Lise

    Artificial selection of the domestic pig (Sus scrofa domesticus) offers a useful model for investigating changes in behaviour associated with reproductive trade-offs between litter size and fitness of offspring. The aim of this study was to evaluate effects of litter size on teat stimulation,...

  14. Mother-offspring relationship in Morada Nova sheep bred in a tropical semiarid environment: A perspective on maternal investment and parental conflict

    Contributor(s):: Fonsêca, Vinícius F. C., Saraiva, Edilson P., Arruda, Maria F., Pereira, Walter E., Pimenta Filho, Edgard C., Santos, Severino G. C. G., Amorim, Mikael L. C. M., Silva, Josinaldo A.

    In 2011 and 2012, we investigated the mother-offspring relationship in 60 Morada Nova ewe-lamb pairs from lambing (August) until 40 d after lambing. In years 1 and 2, there were 28 and 32 multiparous ewes, 13 and 20 single male lambs, and 15 and 12 twin male lambs, respectively. The behavior of...

  15. The effect of permanent or temporary contact with the lamb and contact with males on the lambing to first ovulation interval in Saint Croix sheep

    Contributor(s):: Orihuela, Agustín, Valdez, Daniela, Ungerfeld, Rodolfo

    The effect of suckling and presence of the lamb, or ram, on the lambing to first ovulation interval in Saint Croix sheep was determined. Ten days after lambing 50 ewes and their lambs were assigned to three different suckling treatments: continuous suckling (CS), restricted suckling (RS),...

  16. The sucking behaviour and milk intake of one- to three-week-old triplet lambs during natural and competitive suckling situations

    Contributor(s):: Van Welie, L. A., Clews, S. A., Beausoleil, N. J., Hickson, R., Kongara, K., Kenyon, P. R., Morris, S. T.

    Within triplet litters, light-born lambs are at greater risk of dying than heavier lambs in the first week of life. However, the implications of within-litter differences in sucking behaviour for milk intake and growth beyond the first week are unclear. We hypothesized that within litter,...

  17. Is rearing calves with the dam a feasible option for dairy farms?—Current and future research

    Contributor(s):: Johnsen, Julie Føske, Zipp, Katharina A., Kälber, Tasja, Passillé, Anne Marie de, Knierim, Ute, Barth, Kerstin, Mejdell, Cecilie Marie

    In the dairy industry it is common practice to separate cow and calf shortly after birth but this practice is disputed because of animal welfare concerns. Some producers, in many countries, milk cows that also nurse dairy calves. These cow–calf systems allow nursing as well as affiliative and...

  18. Validation of accelerometer use to measure suckling behaviour in Northern Australian beef calves

    Contributor(s):: Kour, Harpreet, Patison, Kym P., Corbet, Nicholas J., Swain, Dave L.

    Knowledge of suckling behaviour in beef calves is important for understanding the health and wellbeing of both cows and calves. The present study was conducted to explore the use of tri-axial accelerometers to identify suckling bouts and suckling duration per bout in beef calves under free-range...

  19. Neonatal piglets are able to differentiate more productive from less productive teats

    Contributor(s):: Devillers, Nicolas, Giraud, Delphine, Farmer, Chantal

    A previously-validated method to induce variation in milk production between teats of the same udder that is not related to the ante-posterior location of the teat was used. In the first lactation, over half of the sows' teats (teats 1, 2, 5, 6, and 7 from 1 side of the udder, and teats 3, 4,...

  20. Application of the Welfare Quality animal welfare assessment system in Finnish pig production, Part I: Identification of principal components

    Contributor(s):: Munsterhjelm, C., Heinonen, M., Valros, A.

    The Welfare Quality (WQ) on-farm welfare assessment protocols for fattening pigs (n=95 farms) and sows, as well as suckling piglets (n=103 farms), were applied on Finnish farms. In order to identify distinct types of welfare problems (WPTs) Principal Component Analysis (PCA) was applied to the...