The effects of housing on heart rate of gestating sows during specific behaviours

Marchant, J.N.; Rudd, A.R.; Broom, Donald M.

doi:10.1016/s0168-1591(97)00022-1

Cited by 42 publications

(26 citation statements)

References 11 publications

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“…Heart rate did not differ between treatments, in contrast to a previous study in which stalled sows had higher heart rates than group-housed sows (Marchant et al, 1997). In the study of Marchant et al the group system was straw-based and provided more space, factors which both probably encouraged higher levels of activity than were seen in the current study.…”

Section: Discussioncontrasting

confidence: 85%

“…Stalls allow for easy management, individual feeding, and reduce aggressive encounters between individuals. However, freedom of movement is severely restricted, and confined sows have been shown to have reduced cardiovascular fitness (Marchant et al, 1997), reduced muscle weight and bone strength (Marchant and Broom, 1996), increased morbidity (Tillon and Madec, 1984), and engage in more unresolved aggression . Confinement in stalls, in conjunction with feed restriction, has been implicated in the development of oral stereotypies, repetitive, apparently functionless behaviours that probably indicate reduced welfare (Terlouw et al, 1991;Vieuille-Thomas et al, 1995).…”

Section: Introductionmentioning

confidence: 99%

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Effects of stall or small group gestation housing on the production, health and behaviour of gilts

et al. 2006

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Section: Discussioncontrasting

confidence: 85%

Section: Introductionmentioning

confidence: 99%

Effects of stall or small group gestation housing on the production, health and behaviour of gilts

et al. 2006

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“…However, the defeat in the food competition test in the present experiment did not seem to be specifically stressful, as heart rate in defeated pigs was not significantly higher than heart rate in winners of the food competition test. However, the presentation of food after food deprivation may result in a large increase in heart rate in the food competition test (Houpt et al 1983;Marchant et al 1997), which may mask the effects of relative success of agonistic interactions on heart rate in the test.…”

Section: Discussionmentioning

confidence: 99%

Effects of social stress on heart rate and heart rate variability in growing pigs

Jong¹,

Sgoifo²,

Lambooij³

et al. 2000

Can. J. Anim. Sci.

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. 2000. Effects of social stress on heart rate and heart rate variability in growing pigs. Can. J. Anim. Sci. 80: 273-280. The effects of social stress on heart rate, heart rate variability and the occurrence of cardiac arrhythmias were studied in 12 growing pigs. Social stress was induced during a good competition test with a pen mate, and subsequently during a resident-intruder test with an unacquainted pig in which the experimental pig was the intruder. The outcome of a test was determined using observations of agonistic behaviour. Five pigs won the food competition test. All pigs were defeated in the resident-intruder test with an unacquainted pig. For all pigs, heart rate was significantly higher and thus the R-R interval significantly lower during the food competition test and resident-intruder test than during baseline recordings. However, pigs that were first defeated in the food competition test had a higher heart rate during the first 7 min of the resident-intruder test than winners of the food competition test. Parameters of heart rate variabiality did not significantly change during the food competition test and the resident-intruder test relative to baseline recordings. Thus, the parasympathetic and the sympathetic nervous system remained in balance during the social stress situations. This may explain why the occurrence of cardiac arrhythmias did not increase during the food competition test and the resident-intruder test relative to baseline. We showed that social status, based on agonistic encounters during the food competition test, may influence the heart rate responses of pigs during the resident-intruder test. When heart rate is used as an index of stress, results indicate that subordinate pigs may experience more stress during an agonistic encounter with an unacquainted pig than dominant pigs.Key words: Behaviour, heart rate, social stress, telemetry, pigs de Jong, I. C., Sgoifo, A., Lambooij, E., Korte, S. M., Blokhuis, H. J. et Koolhaas, J. M. 2000. Effets de stress sociaux sur le rythme cardiaque et sur sa variabilité chez des porcs en croissance. Can. J. Anim. Sci. 80: 273-280. Nous avons étudié sur 12 porcs en croissance les effets de stress sociaux sur le rythme cardiaque et sa variabilité ainsi que sur la fréquence des cas d'arythmie cardiaque. Le stress social en question était provoqué durant un test de concurrence pour la nourriture avec un compagnon de case habituel et ensuite durant un test de confrontation entre compagnons de case et un porc étranger, test dans lequel l'animal expérimental était l'intrus. L'issue du test était déterminée d'après observation des comportements agonistes. Cinq porcs emportaient la lutte dans le test de concurrence pour la nourriture et tous les porcs logés en groupe étaient battus dans le test de confrontation avec le porc étranger. Chez tous les porcs, le rythme cardiaque était significativement plus élevé et par conséquent, l'intervalle RR était significativement plus court dans les deux tests de concurrence et de confrontation que durant les enr...

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“…Although better management and stockmanship skills may be required, keeping sows in groups and giving them freedom of movement is commonly -but not universally (e.g. Barnett et al, 2001;McGlone et al, 2004) -believed to improve their welfare compared with housing them individually (Broom et al, 1995;Marchant et al, 1997;Bracke et al, 1999Bracke et al, , 2002. In North America, individual sow housing is also losing favour but the change is driven by market forces (corporations like Smithfield Foods, Maple Leaf, Burger King and Cargill Pork decided to discourage or phase out individual housing systems) rather than direct legislation.…”

Section: Introductionmentioning

confidence: 99%

Factors influencing farmers' responses to welfare legislation: A case study of gestation sow housing in Flanders (Belgium)

Tuyttens¹,

Struelens²,

Gansbeke

et al. 2008

Livestock Science

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The effects of housing on heart rate of gestating sows during specific behaviours

Cited by 42 publications

References 11 publications

Effects of stall or small group gestation housing on the production, health and behaviour of gilts

Effects of stall or small group gestation housing on the production, health and behaviour of gilts

Effects of social stress on heart rate and heart rate variability in growing pigs

Factors influencing farmers' responses to welfare legislation: A case study of gestation sow housing in Flanders (Belgium)

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