After strain Mars was inoculated in milk medium,the medium color was changed from white to mauve.

The saturated solution floating method was used to make a preliminary investigation of parasites in digestive system of scattered-feeding milk cow in the suburb of Xuzhou.

In recent years,the government regard the development of milk as the direction of livestockrestructuring in the livestock strategy, our Department of Agriculture have made a plant to developthe cows industry during "the tenth five-year project",the scale of cow breeding expands rapidlyand the cow industry is becoming the industry that has most development potentiality in ruraleconomy gradually.

The scale of cow breeding expands rapidly and the cow industry is becoming the industry that has most development potentiality in rural economy gradually.