[Objective] In order to control the spread of bovine spongiform encephalopathy and scrapie by cosmetic in China, bovine and sheep materials from imported and homemade cosmetic were determined.

Augment identification of bovine and sheep derived materials in feedstuff is essential for effective control transmission of bovine spongiform encephalopathy and scrapie.

The PCR detection of bovine, sheep and goat derived materials was optimized using beef and goat meat.

Proficiency testing reports of polymerase chain reaction method for detection of bovine and ovine derived material in feedstuff;

Differentiation of goat and sheep-derived materials by fluorescent real-time PCR;