Effect of gamma irradiation on Cysticercusbovisin infested cattle carcasses

Subject Areas : Food Science and Technology

زهره Mashak ¹ , H.R Sodagari ² , علی Khanjari ³ , غلامرضا Shahhoseini ⁴ , افشین Motaghifar ⁵ , محسن DavoodabadiFarahani ⁶

1 - - Assistant Professor, Department of Food Hygiene, College of Veterinary Medicine, Karaj Branch, Islamic Azad University, Karaj, Iran
2 - - Young Researchers and Elite Club, Karaj Branch, Islamic Azad University, Karaj, Iran.
3 - Assistant Professor, Department of Food Hygiene, Faculty of Veterinary Medicine, Tehran University, Tehran, Iran.
4 - Member of Scientific Board of Researches of Nuclear Agriculture; Research School-Nuclear Science and Technology Research Institute, Karaj, Iran.
5 - - DVM of College of Veterinary Medicine, Karaj Branch, Islamic Azad University, Karaj, Iran
6 - - DVM of College of Veterinary Medicine, Karaj Branch, Islamic Azad University, Karaj, Iran

Received: 2013-11-02 Accepted : 2015-02-06 Published : 2014-11-22

Keywords: Gamma irradiation, Cysticercusbovis, slaughterhouse,

Abstract :

   Taeniasis is one of the parasitic zoonotic diseases that could transmit through the consuming of semi-cooked or raw beef infested with Cysticercosebovis. Irradiation as a safe approach can be applied in order to eliminate parasites from foods. It can be used as a control method to prevent parasitic foodborne diseases. Therefore, in this study the cattle muscles containing live cysts were selected from two slaughterhouses of Alborz province and were subjected for gamma irradiation with different doses (0.5, 0.6, 0.7, 0.8, 0.9, 1 and 1.5) KGY. Afterwards, the samples were stained with Eosin Methylene-Blue and were observed with light microscope to determine the viability of the cysts. The analysis of data was conducted with SPSS version 22. The results indicated that 0.8, 0.9, 1 and 1.5 KGY doses were capable to inactivate viable cysts significantly, with 72%, 82.6%, 90.9% and 91.6%, respectively. Therefore, 1 KGY is recommended as appropriate dose for elimination of C. bovis.

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