. Dairy farming : being the theory, practice, and methods of dairying. Dairy farms; Dairy plants; Milk plants. Tin: REARING OF CATA'KS. 59 piivitv ;iljnvi' it, and a lioli' in tlie diaphragm aljout the size of a pi^a ; tho upper cavity serves as a reservoir for holding milk, and the diaphragm at tho base of it ])reveuts an undue pressure of milk in the teat when the udder is full. Tubes inserted into cows' teats arc, unless inserted with great care, apt to produce inflammation. We have known at all events one cow, a valuable heifer, killed in this way; and if the tubes do no other harm, a comi
. Dairy farming : being the theory, practice, and methods of dairying. Dairy farms; Dairy plants; Milk plants. Tin: REARING OF CATA'KS. 59 piivitv ;iljnvi' it, and a lioli' in tlie diaphragm aljout the size of a pi^a ; tho upper cavity serves as a reservoir for holding milk, and the diaphragm at tho base of it ])reveuts an undue pressure of milk in the teat when the udder is full. Tubes inserted into cows' teats arc, unless inserted with great care, apt to produce inflammation. We have known at all events one cow, a valuable heifer, killed in this way; and if the tubes do no other harm, a comijlaiut is lodged against them to the effect that they permanently distend or otherwise derange the opening into the teat, so that the milk runs out of its own accord and is lost. Fig. 15 is a representation of the milker in ojieration. We have heard both favourable and unfavourable opinions given as to its utility; and though we should not venture to recommend its indiscrimi- nate use, we consider every farmer should possess one, if only to milk very " hard " cows a few times with it. The teats of such cows would be all the better for being distended a little. It is recommended to milk a few drops from each teat before using the cow-milker, then insert the tubes (not exceeding an inch), when the milk will flow freely. No difficult)^ will be experienced whatever if the oiJerator, in the first instance, take the precaution of seeing the hole in the teat before inserting the tube. The apparatus should not be allowed to remain in the teats after the milk has ceased to flow, or air will find its way into the udder. Some cows are extremely " hard " to milk, and are consequently seldom milked " clean;" this is sure to cause the flow of milk to diminish, for if any milk is left in, the udder becomes more or less inflamed, and the milk falls off in quantity. The hardness in milking is caused by the hole in the end of the teat being too small; it may be dist
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