The Ansh Labs' Canine Anti-Mullerian Hormone (AMH) ELISA kit is a quantitative three-step sandwich immunoassay. Since the ovaries are the sole source of AMH, this test is useful to confirm that the ovaries have been removed in full (spayed). Analytical measureable range of 0.28 - 18 ng/mL. Total 3.5 hour incubation at room temperature. Long shelf life of 24 months. For Research Use Only within the United States. Ansh Labs, located just south of Houston Texas, is an FDA registered manufacturer of diagnostic test kits, antibodies, antigens, and proteins.