CHAPTER XVII. 



DISEASES OF THE COW'S UDDER. 



Diseases of the udder may be classed as two 

 kinds ; those resulting from external sources 

 such as bruises, contusions, injuries by sharp 

 pointed objects, and the like; and those that 

 are due to internal conditions such as too rich 

 feed and forced feeding in order to stimulate 

 a heavy milk flow. These conditions may be 

 infectious and non-infectious, such as infec- 

 tious mammitis and simple mammitis. 



Treatment of the diseases of the udder is so 

 often unsatisfactory that it should be the aim 

 of every dairyman to prevent them by proper 

 care and attention rather than to wait until 

 the disease is well developed and then expect 

 successful treatment. It is an old saying "an 

 ounce of prevention is worth a pound of cure." 

 We believe, though, that the least prevention 

 of a cow's udder from disease is worth more 

 than all the cures that you can possibly em- 

 ploy. 



The cow's udder is a very highly developed 

 gland, composed of very sensitive tissues and 

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