82 POULTRY 
semi-solid buttermilk and the birds have 
access to all they wish, the same change in 
beef scraps should be made. 
Dried Buttermilk. Dried buttermilk can 
be purchased almost anywhere and is being 
used to a great extent as a milk substitute. 
From the author’s experience the birds do not 
eat it as readily as semi-solid buttermilk and, 
therefore, the latter is preferred, if it is the 
intention to get as much milk into the birds 
as possible. 
Pot Cheese. A new product on the mar- 
ket known as pot cheese is also being used to 
a considerable extent. Just how long the 
product will keep in summer is not known 
to the author, but it seems probable that it 
will keep as long as the poultryman would 
normally have it on hand, because naturally 
he is going to buy only in such quantities as 
will be used up in a comparatively short time. 
Care in Using Substitutes. In the case 
of any milk substitutes we must use discre- 
tion. The mash should not be overloaded 
with powdered milk, for instance, because 
the birds will not eat the mash if it is. In the 
case of semi-solid buttermilk, unless the 
