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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...
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...
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...
On-farm qualitative behaviour assessment in sheep: repeated measurements across time, and association with physical indicators of flock health and welfare
Contributor(s):: Phythian, C. J., Michalopoulou, E., Cripps, P. J., Duncan, J. S., Wemelsfelder, F.
Qualitative Behavioural Assessment (QBA) is a 'whole-animal' methodology that assesses the expressive qualities of animal behaviour using terms such as 'tense', 'relaxed', 'anxious', and 'content'. The reliability and validity of QBA as an indicator for on-farm welfare assessment in pigs, cattle,...
Manifestation of neuronal ceroid lipofuscinosis in Australian Merino sheep: observations on altered behaviour and growth
Contributor(s):: Cronin, G. M., Beganovic, D. F., Sutton, A. L., Palmer, D. J., Thomson, P. C., Tammen, I.
Neuronal ceroid lipofuscinoses (NCL) is an inherited neurodegenerative disorder in children. Presently there is no effective treatment and the disorder is lethal. NCL occur in a variety of non-human species including sheep, which are recognised as valuable large animal models for NCL. This...
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...
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...
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...
Filial attachment in sheep: similarities and differences between ewe-lamb and human-lamb relationships
Contributor(s):: Nowak, R., Boivin, X.
Animals develop relationships with intra- and interspecific partners, including humans. In some cases this can lead to strong emotional bonds indicating the existence of attachment. The sheep is well known to develop various forms of social attachment (mothers towards young, lambs towards...
Space allowance during gestation and early maternal separation: effects on the fear response and social motivation of lambs
Contributor(s):: Averos, X., Marchewka, J., Beltran de Heredia, I., Zanella, A. J., Ruiz, R., Estevez, I.
A common prenatal stressor in lambs is early maternal separation, which may be aggravated by spatial restriction of ewes during pregnancy. They may influence lambs' development and coping abilities. The aim of this study was to determine how space allowance provided to ewes during pregnancy and...
Do rubber rings coated with lignocaine reduce the pain associated with ring castration of lambs?
Contributor(s):: Stewart, M., Beausoleil, N. J., Johnson, C. B., Webster, J. R., Schutz, K. E., Cox, N., Stafford, K. J.
To facilitate the wider use of pain relief on-farm, practical 'farmer friendly' methods for administering pain relief are necessary. This proof of concept study evaluated the efficacy of rubber rings coated with local anaesthetic (LA, lignocaine) for providing pain relief in lambs castrated 4...
Investigating the motivation to play in lambs
Contributor(s):: Chapagain, D., Uvnas-Moberg, K., Lidfors, L. M.
The aim of this study was to identify behaviours and ear postures linked to the appetitive, consummatory and post-consummatory motivational phases of play in male lambs, and to evaluate how cortisol was affected by play. Ten pairs of male lambs, Ovis aries were observed in a play arena three...
Behavior of lambs in rest pens during long-distance transport
Contributor(s):: Krawczel, P. D., Friend, T. H., Archer, G. S.
The aim of this study was to determine how one group of lambs utilized 2 consecutive rest periods in novel environments with access to food and water that occurred during 22 hr of motor transport. The 18.5+or-0.6 kg lambs (n=15) were transported for 8 hr and then unloaded for a 6-hr rest period....
Effect of postweaning handling strategies on welfare and productive traits in lambs
Contributor(s):: Pascual-Alonso, M., Miranda-de Lama, G. C. la, Aguayo-Ulloa, L., Ezquerro, L., Villarroel, M., Marin, R. H., Maria, G. A.
Postweaning management strategies that include an element of social enrichment may reduce weaning stress and improve welfare and productive performance. We analyzed the effect of postweaning handling strategies on welfare and production traits in lambs. After weaning, 36 lambs were assigned to 3...
A comparison of handling methods relevant to the religious slaughter of sheep
Contributor(s):: Bates, L. S. W., Ford, E. A., Brown, S. N., Richards, G. J., Hadley, P. J., Wotton, S. B., Knowles, T. G.
Legislation governing non-stun slaughter of sheep in England requires that they are individually and mechanically restrained for slaughter and not moved for at least 20 s post neck cut, until unconsciousness or insensibility occurs. Complying with the need for individual handling, in what is a...
Repeated exposure to positive events induces optimistic-like judgment and enhances fearfulness in chronically stressed sheep
Contributor(s):: Destrez, A., Deiss, V., Leterrier, C., Calandreau, L., Boissy, A.
Chronic stress in farm animals can induce detrimental effects in emotional sensitivity and cognitive function, for example, by altering fearfulness and eliciting pessimistic-like judgment. Based on a few experiments carried out on laboratory animals, we suggest that exposing chronically stressed...
Social context and other factors influence the behavioural expression of pain by lambs
Contributor(s):: Guesgen, M. J., Beausoleil, N. J., Minot, E. O., Stewart, M., Stafford, K. J.
There is evidence that the presence of a conspecific can alter the experience of pain in humans and other animals. This 'social buffering' may be mediated by factors such as relatedness and familiarity. This study investigates whether and how the social context affects the behavioural response of...
Mobile abattoir versus conventional slaughterhouse - impact on stress parameters and meat quality characteristics in Norwegian lambs
Contributor(s):: Eriksen, M. S., Rodbotten, R., Grondahl, A. M., Friestad, M., Andersen, I. L., Mejdell, C. M.
The aim of the present study was to investigate possible differences in certain stress parameters and meat quality characteristics between Norwegian lambs slaughtered at a mobile abattoir (at two different localities) versus lambs slaughtered at a conventional, stationary slaughterhouse. Lambs...
Performance of sheep in a spatial maze is impeded by negative stimuli
Contributor(s):: Doyle, R. E., Freire, R., Cowling, A., Knott, S. A., Lee, C.
Exposure to negative stimuli or stress can manifest in general changes in cognitive processing. This study aimed to investigate if a spatial maze task could be used to identify stress-induced differences in the cognitive performance of sheep. Two negative stimuli were used to test the hypothesis....
Chronic stress induces pessimistic-like judgment and learning deficits in sheep
Contributor(s):: Destrez, A., Deiss, V., Levy, F., Calandreau, L., Lee, C., Chaillou-Sagon, E., Boissy, A.