This enzyme is soluble at 1 mg/mL in 20 mM sodium phosphate buffer (pH 7.0), with 77 mM sodium chloride and 0.1 mg/mL BSA at 1 mg/mL. For assay purposes, this product is prepared at 0.3 mg/mL solution in Phosphate Buffer. Heating may be required, Please see the link below to review the full assay protocol:
https://www.sigmaaldrich.com/US/en/technical-documents/protocol/protein-biology/enzyme-activity-assays/enzymatic-assay-of-hyaluronidase#preparation
Please see the link below to review the product datasheet for a bovine Hyaluronidase, product H3884. This information may also be applied to the ovine source material:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/739/183/h3884pis-ms.pdf