From the American Miniature Jersey Association:
“The ideal Miniature Jersey’s general appearance should be small in size – being 38″ to 44″, or a mid size being 45″ to 48″ at the wither or point of the hip (Hook). The milk will be higher in butterfat and between 2-4 gallons per day depending on the quality of pasture, hay, and supplemented feed. The ideal bull will weigh around 850lbs and an adult cow between 600-700lbs.”
We have found on our farm that the Miniature Jersey cows do less damage to the land than a full sized cow while still providing us with plenty of milk for our family. It is also a lot easier to handle a miniature jersey versus a full sized cow! We have loved our mid sized and miniature jersey cows so much that we now offer registered mini’s and midsized jerseys to other families looking to add to their farm.