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Dergiler / Turkish Journal of Veterinary and Animal Sciences / 2010 / Cilt: 34 - Sayı: 3

Effect of pre-evisceration, skin-on carcass decontamination sanitation strategies for reducing bacterial contamination of cattle during skinning

Mehmet ÇALICIOĞLU
Dennis R. BUEGE
John B. LUCHANSKY
Sayfa
261–266
Yayın Tarihi
2010-03-01
DOI
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However, regardless of the various sanitation methods tested, no significant differences were found between test and control groups in the level of total aerobic bacterial contamination on the carcasses after the final wash.

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Amaç & Hipotez:The effectiveness of pre-evisceration, skin-on carcass sanitation on reducing bacterial contamination of beef carcasses was tested using 3 cattle per treatment and 3 cattle as controls at each of 3 abattoirs in southern Wisconsin.
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Temel Bulgular & Veri:The sanitation procedure included stunning, bleeding, tying off the esophagus, sealing the anus, and then sanitizing the hide with: i) 20% trisodium phosphate, ii) 200 ppm iodophor, iii) 75% ethanol, or iv) hot water (ca. 80 °C).
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Sonuç & Katkı:However, regardless of the various sanitation methods tested, no significant differences were found between test and control groups in the level of total aerobic bacterial contamination on the carcasses after the final wash.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Key words: Pre-evisceration · beef carcass decontamination · sanitation

Özet

The effectiveness of pre-evisceration, skin-on carcass sanitation on reducing bacterial contamination of beef carcasses was tested using 3 cattle per treatment and 3 cattle as controls at each of 3 abattoirs in southern Wisconsin. The sanitation procedure included stunning, bleeding, tying off the esophagus, sealing the anus, and then sanitizing the hide with: i) 20% trisodium phosphate, ii) 200 ppm iodophor, iii) 75% ethanol, or iv) hot water (ca. 80 °C). Two sets of combined sponge samples (3 × 100 cm2) were taken from the hide before and after the sanitation step, as well as from the carcass after the final wash. Our results revealed that average reductions in numbers of total aerobic bacteria on the hide ranged from 0.06 to 3.58 log10 cfu per cm2 depending on the sanitation method. However, regardless of the various sanitation methods tested, no significant differences were found between test and control groups in the level of total aerobic bacterial contamination on the carcasses after the final wash.

Abstract

The effectiveness of pre-evisceration, skin-on carcass sanitation on reducing bacterial contamination of beef carcasses was tested using 3 cattle per treatment and 3 cattle as controls at each of 3 abattoirs in southern Wisconsin. The sanitation procedure included stunning, bleeding, tying off the esophagus, sealing the anus, and then sanitizing the hide with: i) 20% trisodium phosphate, ii) 200 ppm iodophor, iii) 75% ethanol, or iv) hot water (ca. 80 °C). Two sets of combined sponge samples (3 × 100 cm2) were taken from the hide before and after the sanitation step, as well as from the carcass after the final wash. Our results revealed that average reductions in numbers of total aerobic bacteria on the hide ranged from 0.06 to 3.58 log10 cfu per cm2 depending on the sanitation method. However, regardless of the various sanitation methods tested, no significant differences were found between test and control groups in the level of total aerobic bacterial contamination on the carcasses after the final wash.

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Bu Makaleye Atıf Yap

ÇALICIOĞLU, M., BUEGE, D. R., LUCHANSKY, J. B. (2010). Effect of pre-evisceration, skin-on carcass decontamination sanitation strategies for reducing bacterial contamination of cattle during skinning. Turkish Journal of Veterinary and Animal Sciences, Cilt: 34 - Sayı: 3, 261–266. https://ajindex.com/articles/125730

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Kaynakça (6)

  1. Bosilevac, J.M., Shackelford, S.D., Brichta, D.M., Koohmaraie, M.: Efficacy of ozonated and electrolyzed oxidative waters to decontaminate hides of cattle before slaughter. J. Food Protect., 2005; 68: 1393-1398.
  2. Byrne, C.M., Bolton, D.J., Sheridan, J.J., McDowell, D.A., Blair, I.S.: The effects of pre-slaughter washing on the reduction of Escherichia coli O157:H7 transfer from cattle hides to carcasses during slaughter. Lett. Appl. Microbiol., 2000; 30: 142-145.
  3. Carlson, B.A., Ruby, J., Smith, G.C., Sofos, J.N., Bellinger, G.R., Warren-Serna, W., Centrella, B., Bowling, R.A., Belk, K.E.: Comparison of antimicrobial efficacy of multiple beef hide decontamination strategies to reduce levels of Escherichia coli O157:H7 and Salmonella. J. Food Protect., 2008; 71: 2223-2227.
  4. Carlson, B.A., Geornaras, I., Yoon, Y., Scanga, J.A., Sofos, J.N., Smith, G.C., Belk, K.E.: Studies to evaluate chemicals and conditions with low-pressure applications for reducing microbial counts on cattle hides. J. Food Protect., 2008; 71: 1343-1348.
  5. Schnell, T.D., Sofos, J.N., Littlefield, V.G., Morgan, J.B., Gorman, B.M., Clayton, R.P, Smith, G.C.: Effects of postexsanguination dehairing on the microbial load and visual cleanliness of beef carcasses. J. Food Protect., 1995; 58: 1297-1302.
  6. McCleery, D.R., Stirling, J.M.E., McIvor, K., Patterson, M.F.: Effect of ante- and postmortem hide clipping on the microbiological quality and safety and ultimate pH value of beef carcasses in an EC-approved abattoir. J. Appl. Microbiol., 2008; 104: 1471-1479. Anonymous: Statistical Analyses System (SAS). User’s guide, Vol. 2, 4thedn., SAS Institute, Inc., Cary, NC, 1990.