Trills for fungal decontamination on sheep carcasses | ||||
| Mansoura Veterinary Medical Journal | ||||
| Article 3, Volume 7, Issue 1, June 2005, Page 87-112 PDF (4.85 MB) | ||||
| Document Type: Original Articles | ||||
| DOI: 10.21608/mvmj.2005.124713 | ||||
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| Abstract | ||||
| The fungal contamination onto the outside (subcutaneous) surface of 20 sheep carcasses, slaughtered and dressed at Mansoura municipal (old-fashioned) abattoir, was analyzed before and after 5 different decontamination trials (two at the abattoir and three at the laboratory). At abattoir, this contamination was surveyed over the round. Flank, shoulder, and neck surfaces each of 10 carcasses before and after abattoir decontamination trials, whereas, at laboratory the same mycological analysis was carried out on the surface of abdominal flap, freshly excised from every of other 10 sheep carcasses before and after laboratory decontamination trials. The presence of yeast and mould contamination was in all triple-swab samples taken from the examined surfaces before decontamination trials (100%). After application of the first abattoir trial, the presence every of yeast and mould contamination was recognized in 80 – 100% of round, flank, shoulder, and neck samples of carcass surfaces hose-sprayed with tap water for one minute, while the second abattoir decontamination trial could decrease the yeast-contaminated samples to 50 – 80 %, and mould – contaminated samples to 70 – 90% over the same carcass surfaces hose-sprayed with tap water for one minute then wiped with sterilized cloth unti removal most of visible dirts. Yeast and mould contamination were also detected in 40 and 50 % samples of abdominal flap surfaces sprayed with 0.27% benzoic acid solution for one minute (first laboratory decontamination trial). In 50 and 80% samples of abdominal flap surfaces sprayed with 2% acetic acid solution for one minute (second laboratory decontamination trial), and in 80% samples (each) of abdominal flap surfaces sprayed with 2.5% potassium sorbate solution for one minute (third laboratory decontamination trial), respectively. | ||||
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