Figure 



. A common contrast in chickens of high and low vitality. These chickens 

 were hatched and reared together, and are of the same age. 



AVhere a large number of chickens are kept it is desirable to se- 

 lect out all the weaker ones and mark them with a dab of paint. Feed 

 these chickens on a very easily digested ration of buttermilk, oat flour, 



Figure 9. 



An extreme case of low vitality. Note the crowhead, sunken eyes, 

 uneven feathering and unnaturally developed body. 



