Original sentence: Although not considered a human health issue by most authorities, elevated white blood cell levels indicate an immune response by cattle, due in part to mastitis.In addition, the cows receiving rBGH supplements may more frequently contract an udder infection known as mastitis.There are concerns regarding the transmission of bovine paratubeculosis through somatic cells to humans , but the evidence is largely inconclusive.White blood cells -- Milk may contain varying levels of white blood cells depending upon the health of the source animals, according to guidelines set up by the Food and Drug Administration and statistics reported by the dairy industry
Edited sentence: In addition, the cows receiving rBGH supplements may more frequently contract an udder infection known as mastitis, partly responsible for the aforementioned prevalence of blood cells in dairy products.White blood cells -- Milk contains varying levels of white blood cells depending upon the health of the source animals, according to guidelines set up by the Food and Drug Administration and statistics reported by the dairy industry