134 OSTRICH -FARMING IN SOUTH AFRICA. 



found in buildings where poultry have been, even for 

 years afterwards, and that it is easily carried and spread 

 into all the buildings on a farm. This louse is ex- 

 ceedingly prevalent on birds that sleep in dirty ill-kept 

 buildings. And without going further than saying that 

 it is detrimental to the health of the chick, it should 

 be sufficient to impress upon farmers the necessity of 

 constantly cleansing, whitewashing and disinfecting all 

 buildings used for chicks. 



The chicks should also always have access to a 2:ood 

 dusting-ground made of dry ashes, with a little ^^ flowers 

 of sulphur" mixed with it ; and if the chickens are found 

 to be lousy, some carbolic powder should be sprinkled 

 over them. 



