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Effects of catching and transportation versus pre-slaughter handling at the abattoir on the prevalence of wing fractures in broilers

Published online by Cambridge University Press:  01 January 2023

KE Kittelsen ,
EG Granquist ,
G Vasdal ,
E Tolo  and
RO Moe
KE Kittelsen*
Affiliation:
Animalia, Norwegian Meat and Poultry Research Centre, Lorenveien 38, 0515 Oslo, Norway
EG Granquist
Affiliation:
Norwegian University of Life Sciences, Faculty of Veterinary Medicine and Biosciences, Ullevalsveien, 0033 Oslo, Norway
G Vasdal
Affiliation:
Animalia, Norwegian Meat and Poultry Research Centre, Lorenveien 38, 0515 Oslo, Norway
E Tolo
Affiliation:
Animalia, Norwegian Meat and Poultry Research Centre, Lorenveien 38, 0515 Oslo, Norway
RO Moe
Affiliation:
Norwegian University of Life Sciences, Faculty of Veterinary Medicine and Biosciences, Ullevalsveien, 0033 Oslo, Norway
*
* Contact for correspondence and requests for reprints: [email protected]
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Abstract

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Fractures occurring in conscious broiler chickens are painful and severely compromise animal welfare. The aim of this study was to investigate the effects of pre-slaughter handling procedures on the frequency of wing fractures. Wings were examined for fractures in 11,609 broilers, from 12 different flocks, slaughtered in two abattoirs: one using bi-phasic CO2 stunning (CS); and one using electric water-bath stunning (ES). The same broilers were examined: i) in lairage, representing fractures attributed to catching and transportation; ii) after evacuation of transport containers and shackling (only ES); and iii) post-stunning. The mean frequencies of wing fractures were: in the lairage; 0.8% (CS 0.73%, ES 0.88%); after shackling prior to stunning; 2.90% (only ES); and after stunning; 2.35% (CS 1.80%, ES 2.90%). Regardless of stunning method, significantly more fractures occurred during pre-slaughter handling at the abattoirs than during catching/transportation. The difference in prevalence between CS and ES was not significant. All fractures observed in the ES occurred in conscious animals, whereas in the CS it was not possible to distinguish between fractures occurring in conscious or stunned broilers. From a welfare perspective, fractures occurring on-farm/transport result in prolonged suffering and are thus considered more serious in risk assessments of broiler welfare, even though more fractures occur at the abattoir. Monitoring of wing fractures at abattoirs should be included as an indicator of broiler welfare.

Keywords

animal welfarebroilercatchingpre-slaughter handlingtransportwing fractures
Type
Research Article
Information
Animal Welfare , Volume 24 , Issue 4 , November 2015 , pp. 387 - 389
Copyright
© 2015 Universities Federation for Animal Welfare

References

Abeyesinghe, SM, McKeegan, DEF, McLeman, MA, Lowe, JC, Demmers, TGM, White, RP, Kranen, RW, Bemmel, H, Lankhaar, JAC and Wathes, CM 2007 Controlled atmosphere stunning of broiler chickens I. Effects on behaviour, physiology and meat quality in a pilot scale system at a processing plant. British Poultry Science 48: 406–423. http://dx.doi.org/10.1080/00071660701543089CrossRefGoogle Scholar
Bayliss, P and Hinton, M 1990 Transportation of broilers with special reference to mortality rates. Applied Animal Behaviour Science 28: 93–118. http://dx.doi.org/10.1016/0168-1591(90)90048-ICrossRefGoogle Scholar
Bayliss, PA 1986 A study of factors influencing mortality of broilers during transit to the processing plant. MS Dissertation, University of Bristol, Bristol, UKGoogle Scholar
Elrom, K 2001 Handling and transportation of broiler welfare, stress, fear and meat quality part VI: The consequences of han-dling and transportation of chickens (Gallus gallus domesticus). Israel Journal of veterinary Medicine 56: 1–5Google Scholar
Gentle, M 1992 Ankle joint (artc. intertarsalis) receptors in the domestic fowl. Neuroscience 49: 991–1000. http://dx.doi.org/10.1016/0306-4522(92)90374-BCrossRefGoogle ScholarPubMed
Gentle, MJ and Tilston, VL 2000 Nociceptors in the legs of poultry: implications for potential pain in pre-slaughter shackling. Animal Welfare 9: 227–236Google Scholar
Grandin, T 2010 Auditing animal welfare at slaughter plants. Meat Science 86: 56–65. http://dx.doi.org/10.1016/j.meatsci.2010.04.022CrossRefGoogle ScholarPubMed
Gregory, N and Austin, S 1992 Causes of trauma in broilers arriving dead at poultry processing plants. Veterinary Record 131:501–503. http://dx.doi.org/10.1136/vr.131.22.501CrossRefGoogle ScholarPubMed
Kettlewell, PJ and Mitchell, MA 1994 Catching, handling and loading of poultry for road transportation. Worlds Poultry Science Journal 50: 54–56. http://dx.doi.org/10.1079/WPS19940005CrossRefGoogle Scholar
Knowles, T and Broom, D 1990 The handling and transport of broilers and spent hens. Applied Animal Behaviour Science 28: 75–91. http://dx.doi.org/10.1016/0168-1591(90)90047-HCrossRefGoogle Scholar
McGeown, D, Danbury, T, Waterman-Pearson, A and Kestin, S 1999 Effect of carprofen on lameness in broiler chickens. The Veterinary Record 144: 668–671. http://dx.doi.org/10.1136/vr.144.24.668CrossRefGoogle ScholarPubMed
McKeegan, D, Abeyesinghe, SM, McLeman, MA, Lowe, JC, Demmers, T, White, RP, Kranen, R, Bemmel, Hv, Lankhaar, JA and Wathes, CM 2007a Controlled atmosphere stunning of broiler chickens II. Effects on behaviour, physiology and meat quality in a commercial processing plant. British Poultry Science 48:430–442. http://dx.doi.org/10.1080/00071660701543097CrossRefGoogle Scholar
McKeegan, D, McIntyre, J, Demmers, T, Lowe, J, Wathes, C, Van Den Broek, P, Coenen, A and Gentle, M 2007b Physiological and behavioural responses of broilers to controlled atmosphere stunning: Implications for welfare. Animal Welfare 16: 409–426Google Scholar
Nasr, MA, Nicol, CJ and Murrell, JC 2012 Do laying hens with keel bone fractures experience pain? PloS One 7: e42420. http://dx.doi.org/10.1371/journal.pone.0042420CrossRefGoogle ScholarPubMed
Nijdam, E, Zailan, ARM, van Eck, JHH, Decuypere, E and Stegeman, JA 2006 Pathological features in dead on arrival broil-ers with special reference to heart disorders. Poultry Science 85:1303–1308. http://dx.doi.org/10.1093/ps/85.7.1303CrossRefGoogle ScholarPubMed
Stuart, C 1985 Ways to reduce downgrading. World Poultry Science 41: 16–17Google Scholar