CHAPTER II 



cow, HEIKER AND CALF SPAYlNfi. 



COW SPAYING. 



Objects (Did Indications — Cows are spayed for two principal reasons: 

 1st, to eorrec't that disagreeable condition known as nymphomania ; 2nd, to 

 increase the duration of the lactation period. Spaying is the only rational 

 treatment for certain forms of nymphomania, and cows thus affected should 

 either be submitted to the operation or sent to the butcher. While the op- 



Fig. 139 — Spaying chute and stocks. 



eration has not been generally and extensively practiced as a means of con- 

 trolling lactation, nevertheless spaying a milch cow during the height of 

 lactation will not only cause her lactation period to continue for from 

 two to three j-ears, uninterrupted by estrum and j^regnancy, l)ut the quaia- 

 tity and quality of the milk is increased and improved, ililk from spayed 



