How many cows can be put in a 25-square-meter barn in Northeast China, and what is their size?

Reference information: Cattle farm construction 1: each barn is 60m long, 10m wide, with a middle aisle 1.5m, and there are double-sided cattle troughs with a width of 60cm, a height of 75cm and a depth of 25cm. The spacing between each cow is 1. 1m, and the ground slope is 65438.

This 600-square-meter cowshed can feed 100 cows. According to the latest price of 20 13, building a simple cowshed requires an investment of x million yuan.

One head is six square meters, and four heads are about 25 square meters.