Show butterfat and feed are most important items if a cow receives sufficient nutrients to maintain her body weight the percentage of fat cannot materially change tor for any considerable period of feeding or by supplying any particular kind of feed cows that are greatly underfed may produce milk somewhat lower in fat percentage than normal all experiments conducted up to the present time show that there Is no positive evidence of any continued direct effect of a feed in stimulating milk production or increasing the percentage of fat no kind of reed feed or care will cause a to give milk rich in fat like the jersey however a cow may he be fattened before freshening and caused to milk off this body fat in the arst month of lactation thereby raising the percent of butterfat in her milk prom froin colorado experiment peri ment station bulletin make the dairy pay |