SUCCESS IN POULTRY CULTURE 
the environment that surrounds them. 
If the standard of perfection does not 
fit the animals, when bred up to it, for 
the environment that surrounds them, then 
the standard of perfection or the environ- 
ment should be changed. 
In starting a flock of poultry from a 
single pair I proceed thus: 
From the offspring of the first mating 
of the single pair I choose the male that 
comes the nearest to being perfect as 
measured by the standard of perfection 
towards which I am breeding. I mate him 
back to his dam, and then I choose a few 
of the best females from the same mating 
and mate them back to their sire. 
These two latter matings will start me 
out with two distinct families. I will keep 
these two distinct families separate and 
line-breed each family in-such a way as to 
avoid inbreeding. From these two dis- 
tinct families I will start several other 
distinct families, until I have as many dis- 
tinct families as I desire or have room 
for. All of these different families I will 
keep separate and line-breed them all 
towards a common standard of perfection. 
After I have as many as I desire, then I 
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