THE LAW OF PROGRESS 
bad thing and should not be practiced. 
There is an egg type of fowls just as 
there is a milk type of cows, and there are 
also several non-sitting, egg-laying breeds 
of poultry just as there are also several 
breeds of milk-producing dairy cows. Our 
best dairymen claim that a man who 
desires to go into the dairy business will 
not go wrong if he chooses any one of the 
popular dairy breeds with which to build 
up his herd, but he will go far wrong if 
he does not choose from amongst the indi- 
viduals of the breed those that are of the 
dairy or milk type for his dairy herd. 
For there are in all breeds of dairy cows 
very many individuals that are unprofit- 
able to keep for milk and butter purposes. 
This is true even of the so-called milk 
strains of the dairy breeds—strains that 
have been more carefully and scientifically 
bred for dairy purposes than the average 
run of the breed. Our best cattle-breeders 
also claim that a good dairy cow and 
a good beef cow can not be found in 
one and the same animal, or, in other 
words, that a dual-purpose cow is an 
impossibility. 
I believe that all these truths about the 
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