Blood serum, plasma; bovine, goat milk
Enzyme-linked immunosorbent assay (ELISA), Manufacturer's (IDEXX) methodology;
bovine, goat blood - from 28th day after the last insemination,
sheep - from 35th day;
milk - bovine, goat -from 28th day after the last insemination.
Blood - not less than 3 ml, in vacuum test tube.
Milk - not less than 30 ml, in single-use plastic containers or test tubes that have been certified for packaging biological products with screwable closely closable cover.