Ablation op the mamm^. 773 



and healing occurs in a comparatively short time, provided none of 

 the diseased tissue is left. 



The dressing is renewed at intervals of two or three days, and 

 when cicatrisation proceeds regularly it may be omitted and re- 

 placed by antiseptic irrigation. 



In the ewe and she-goat the operative technique is identical : 



First stage. Elliptical incision, including the teat. 



Second stage. Breaking through of the intermammary connective 

 tissue partition and the subcutaneous tissue. Ligature of the anterior 

 mammary vein. 



Third stage. Isolation of the mamma from the front back wards. 

 Ligature of the vessels of supply. Extirpation. 



Fourth stage. Suture and drainage. 



