Xishan Zhongke Pathology Laboratory has an experienced pathologist and technical team. Among them, 4 domestic experts are members of the Chinese Veterinary Association and have obtained domestic veterinary pathologist certification; the center's equipment is first-class, and pathological technology and diagnosis fully comply with international standards for toxic pathology (including sample retention and trimming of specimens, standardization of diagnostic terminology SSNDC and INHAND) and implements the peer review of pathology reports (PEER REVIEW) in line with OECD guidelines to ensure the high quality of pathology reports. For difficult cases, remote consultation and consultation can be conducted with domestic and foreign colleagues through the established digital pathology remote consultation system.