It is a type of mastitis without clinical symptoms. It is characterized by no visible abnormalities in mastitis and milk. However, the physical and chemical properties and bacteriology of milk have changed. There are non-visible breast lumps, flocs, fibers, etc. in the breast; the number of somatic cells is more than 500,000/ml.
T/DALN 027-2022 history
2022T/DALN 027-2022 Technical specification for the diagnosis of subclinical mastitis in both dairy and meat cattle