The Serology Section of Saddra Veterinary Specialized Laboratory offers a variety of specialized services using advanced equipment. These services include conducting all RSA tests and HI tests, such as measuring serum antibody levels against Newcastle disease virus, avian influenza H9N2 strain, and egg production drop syndrome, as well as antibody determination and antigen detection tests using EALISA method for diseases such as contagious agalactia, infectious bronchitis, bovine leukosis, BVD, etc.