It is unnecessary to say that regard should be had to the quality of the pasturage and keeping which a cow has previously had, as compared with that to which she is to be subjected. The size of the animal should also be considered with reference to the fertility of the pastures into which she is to be put. Small or medium-sized animals accommodate themselves to ordinary pastures far better than large ones. Where a very large cow will do well, two small ones will usually do better, while the large animal might fail entirely where two small ones would do well. It is better to have the whole herd, so far as may be, uniform in size; for, if they vary greatly, some may get more than they need, and others will not have enough. This however, cannot always be brought about. [Illustration: Fig. 55. A Good Dairy Cow.] CHAPTER IV. FEEDING AND MANAGEMENT OF DAIRY COWS. No branch of dairy farming can compare in importance with the management of cows. The highest success will depend very much upon it, whatever breed be selected, and whatever amount of care and attention be given to the points of the animals; for experience will show that very little milk comes out of the bag that is not first put into the throat. It is poor economy, therefore, to attempt to keep too many cows for the amount of feed we have; for it will generally be found that one good cow well bred and well fed will yield as much as two ordinary cows kept in the ordinary way, while a saving is effected both in labor and room required, and in the risks on the capital invested. If the larger number on poorer feed is urged for the sake of the manure, which is the only ground on which it can be put, it is sufficient to remark that it is a very expensive way of making manure. It is not too much to say that a proper regard to profit and economy would require many an American farmer to sell off nearly half his cows, and to feed the whole of his hay and roots hitherto used into the remainder.