Risk factors associated with bovine mastitis

Mastitis is one of the most common infectious diseases in dairy cows in the US causing persistent inflammatory reaction of the mammary gland due to physical trauma or microorganisms. On average, the total cost of mastitis is estimated to be US$147 per cow per year, which represents 11-18% of the gross margin per cow per year. Several risk factors including pathogen, host, and environmental factors are associated with the incidence of mastitis that need to be taken into consideration in mastit