BACILLUS NECROPHORUS 



215 



and in this way the disease may remain for several months in each 

 member of the flock, and for eight or ten months in the flock itself. 



FIG. 119 



Leg-and-lip disease in sheep. Infection with Bacillus necrophorus. (Dolan.) 



When the ulcerous processes have become advanced and aggravated, 

 fever develops, the appetite is lost, and the animal grows so emaciated 

 that death intervenes. In some cases that are left untreated recovery 



FIG. 120 



Leg-and-lip disease in sheep. Infection with Bacillus necrophorus. (Dolan.) 



may follow slowly, but there is usually either a dense fungoid growth 

 between the claws, a stiffening of the joints of the ankle, or a long 



