Planning cow shed layout; i started with a bigger size cow shed. planned for a bigger size dairy farm cow shed of 30 plus. i should have started on a small scale, after getting more experience should have gone for increasing cattle shed area latter. i wanted to create a model dairy farm cowshed.. Shed for the calves: on the other side of the cattle shed, a fully covered shed is constructed and used only for the calves. the area of the calves shed is 10 inches x 15 inches. these shed is suitable for the partitioning and serve as the calving pen, depending on the climatic conditions. read: small scale dairy farming.. Ryan shed plans shed plans and designs for easy shed building! excellent prices on this site. look at cattle products portable shed | horse run in shed with tack and with feed room see more. shed plans 12x16 small shed plans small sheds diy shed plans horse barn plans horse shed horse stalls horse barns horses..