1. Laboratory of Veterinary Biochemistry, School of Veterinary Medicine, Rakuno Gakuen University, Hokkaido, Japan
2. Laboratory of Theriogenology, School of Veterinary Medicine, Rakuno Gakuen University, Hokkaido, Japan
3. Laboratory of Food Microbiology and Food Safety, School of Veterinary Medicine, Rakuno Gakuen University, Hokkaido, Japan