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  1. Ewes are more attentive to their offspring experiencing pain but not stress

    Contributor(s):: Hild, Sophie, Clark, Corinna C. A., Dwyer, Catherine M., Murrell, Joanna C., Mendl, Mike, Zanella, Adroaldo J.

    The goal of this experiment was to detect if maternal care by ewes could be effective in mitigating psychological or physiological stress or pain in their offspring. We hypothesised that ewes are able to recognise when their offspring undergo an adverse experience and will adapt their maternal...

  2. The effects of age and sex on pain sensitivity in young lambs

    Contributor(s):: Guesgen, Mirjam J., Beausoleil, Ngaio J., Minot, Edward O., Stewart, Mairi, Jones, Geoff, Stafford, Kevin J.

    Lambs routinely undergo painful husbandry procedures including ear tagging, tail docking and castration. Pain early in life is important because it can compromise lamb welfare. Studies of altricial species, such as rodents and humans, suggest that baseline pain sensitivity varies with age and...

  3. Effect of pre-weaning temporary isolation within different age periods on the early post-weaning behaviour of juvenile lambs

    Contributor(s):: Simitzis, Panagiotis, Petrou, Miria, Demiris, Nikos, Deligeorgis, Stelios

    Temporary maternal separation is a stressful situation typical under modern husbandry practices and may have an undesirable impact on lamb welfare. However, at present there is insufficient evidence on temporary maternal separation effects on the behaviour of juvenile lambs. The aim of the...

  4. Effect of a short-term training on intake of Halocnemum strobilaceum forage by sheep

    Contributor(s):: Sadeghi, Mohammad-Hadi, Sari, Mohsen, abadi, Tahereh Mohammad, Rezai, Morteza

    Halocnemum strobilaceum (Chenopodiaceae) is a halophyte plant that can produce relatively high consumable biomass during drought and it is important for sustaining grazing animals when other plants are rare. Previous studies indicate that sheep may avoid the plant due to its novelty or neophobia....

  5. The effect of social dynamics and environment at time of early weaning on short- and long-term lamb behavior in a pasture and feedlot setting

    Contributor(s):: Pullin, Allison N., Pairis-Garcia, Monique D., Campbell, Braden J., Campler, Magnus R., Proudfoot, Kathryn L., Fluharty, Francis L.

    Lambs are commonly weaned around 60 d of age in the Eastern United States, but this age is also a time for lambs to apply long-term feeding strategies learned from adult animals. There is minimal evidence on how weaning strategies may affect long-term adaptation of feeding behavior. The objective...

  6. Positive perception of human stroking by lambs: Qualitative behaviour assessment confirms previous interpretation of quantitative data

    Contributor(s):: Serrapica, Maria, Boivin, Xavier, Coulon, Marjorie, Braghieri, Ada, Napolitano, Fabio

    Qualitative behaviour assessment (QBA) was used to validate previous published interpretation whether human stroking has beneficial effects on lambs prematurely separated from their mothers. For a period of 8 weeks a familiar human (FH) subjected 22 Romane lambs to a gentling treatment based on...

  7. The effect of trough space and floor space on feeding and welfare of lambs in an intensive finishing system

    Contributor(s):: Jongman, Ellen C., Rice, Maxine, Campbell, Angus J. D., Butler, Kym L., Hemsworth, Paul H.

    This study examined the effects of floor space and feeder space on the feeding behaviour, growth and stress physiology of lambs, at different times, over a 6-week period in a finishing feedlot. A total of 640 lambs in four time replicates (160 lambs per replicate) were studied in four 40-lamb...

  8. Relationships between temperament, feeding behaviour, social interactions, and stress in lambs adapting to a feedlot environment

    Contributor(s):: Rice, Maxine, Jongman, Ellen Caroline, Butler, Kym Lloyd, Hemsworth, Paul Hamilton

    The production of lamb meat is a large and important industry in Australia. Variability and seasonality of the climate and the demand for a consistent product (in terms of weight and age) have led to an increase in the use of feedlot systems for finishing lambs. While most lambs acclimatise to...

  9. 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,...

  10. Assessment of pain responses associated with castration of 10-week-old lambs using the Callicrate ‘WEE Bander’ compared with a standard elastrator

    Contributor(s):: Jongman, Ellen C., Borg, Samantha, Hemsworth, Paul H.

    Castration of ram lambs is a standard procedure to facilitate animal management, however all methods of castration used in the lamb industry are considered to be painful based on behavioural and physiological responses. This experiment compares an alternative method of ring castration (Callicrate...

  11. Characterisation of Shy-feeding and Feeding lambs in the first week in a feedlot

    Contributor(s):: Rice, Maxine, Jongman, Ellen Caroline, Borg, Samantha, Butler, Kym Lloyd, Hemsworth, Paul Hamilton

    Up to 20% of lambs introduced to feedlots are prone to ‘Shy-feeding’ or inappetence. Factors considered to contribute to the condition of Shy-feeding include: neophobia (environment and concentrated feeds), disease and competition around feeding. However, little is known about the...

  12. Effect of analgesic strategies on pain behaviour associated with combined ring castration and hot iron tail docking in Merino lambs

    Contributor(s):: Kells, Nikki J., Beausoleil, Ngaio J., R Godfrey, A. Jonathan, E Littlewood, Katherine, Ward, R. Neil, Johnson, Craig B.

    Most countries don’t require analgesia to be provided to lambs

  13. Preference for the mother does not last long after weaning at 3 months of age in sheep

    Contributor(s):: Ungerfeld, Rodolfo, Freitas-de-Melo, Aline, Nowak, Raymond, Lévy, Frederic

    Ewes develop a strong selective bond with their offspring, which is set immediately after lambing and maintained until weaning, which in domestic sheep occurs when lambs are 4-5 months old. However, in productive systems lambs are weaned earlier, when they are 2-5 months old. The aim of this...

  14. Gentling and welfare of lambs

    Full-text: Available

    | Contributor(s):: M Caroprese, L Taibi, V Franco, M Musto, A Muscio

    Gentling e benessere dell’agnello. Al fine di valutare l’effetto delle cure dell’operatore sul benessere dell’agnello allattato artificialmente è stata effettuata una prova della durata di 7 settimane condotta su 64 agnelli di razza Comisana. Gli agnelli in...

  15. Do Lambs Perceive Regular Human Stroking as Pleasant? Behavior and Heart Rate Variability Analyses

    | Contributor(s):: Katie Osborn, Marjorie Coulon, Raymond Nowak, Julie Peyrat, Herve Chandeze, Alain Boissy, Xavier Boivin

    Stroking by humans is beneficial to the human-animal relationship and improves welfare in many species that express intraspecific allogrooming, but very few studies have looked at species like sheep that do not express such contact except around parturition. This study investigated the way lambs...

  16. Comportamento de actividade e de vocalização de borregos em pré-desmame das raças Ile de France e Churra da Terra Quente num teste individual de interacção homem-animal

    | Contributor(s):: Severiano Silva, José Carlos Almeida, Paulo J. Fontes, C. Castro, R. Machado, Jorge Manuel Teixeira de Azevedo

    Na realização deste trabalho foram utilizados 12 borregos da raça Ile de France (IDF) e 12 borregos da raça Churra da Terra Quente (CTQ) com 104 dias de idade. Os borregos foram sujeitos a um teste que seguiu procedimento proposto por Tallet et al. (2005) e adaptado...

  17. Farmer and public attitudes toward lamb finishing systems

    | Contributor(s):: Coleman, G., Jongman, E., Greenfield, L., Hemsworth, P.

    To develop research and policy on the welfare of lambs in intensive finishing systems, it is important to understand public and sheep farmers' attitudes. The aim of this research was to identify and compare farmer and community attitudes relevant to the intensification of lamb finishing. The...

  18. Assessment of aversion and unconsciousness during exposure to carbon dioxide at high concentration in lambs

    | Contributor(s):: Rodriguez, P., Dalmau, A., Manteca, X., Litvan, H., Jensen, E. W., Velarde, A.

    The most widely used stunning method in sheep is electrical. However, in lambs, this method leads to rupture of the blood vessels, provoking ecchymoses. In pigs ( Sus scrofa), the use of CO 2-stunning systems has increased in popularity due to positive effects on meat quality and animal welfare...

  19. Mother-young behaviours at lambing in grazing ewes: effects of lamb sex and food restriction in pregnancy

    | Contributor(s):: Freitas-De-Melo, A., Ungerfeld, R., Hotzel, M. J., Abud, M. J., Alvarez-Oxiley, A., Orihuela, A., Damian, J. P., Perez-Clariget, R.

    This study investigated whether the level of pasture allowance from before conception until late pregnancy affects ewe-lamb behaviours at birth, and if those behaviours differ according to the sex of the lambs. We performed two experiments, in which 96 ewes were assigned to one of two nutritional...

  20. Behavioural reactivity of ewes and lambs during partial and total social isolation

    | Contributor(s):: Barnard, S., Matthews, L. R., Messori, S., Vulpiani, M. P., Ferri, N.

    This work investigated the differences in the reactivity of Sarda (primiparous n=18, multiparous n=17) and Dorset (multiparous n=8) breeds of sheep and their singleton lambs to two challenging test situations involving a mother-lamb partial separation test and an isolation test. Non-parametric...