168 YARDS AND YARDING 
sharp points to project into the yard, as they are apt to injure 
the birds. As the galvanizing on most poultry wire is very short- 
lived, it is found profitable to paint the poultry netting with a 
good coat of oil paint after it has been up a few years or before 
signs of rusting appear. 
SOND Ow wt 
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REVIEW. 
. What factors will determine the advisability of yarding or free range? 
Give the area of yard necessary. 
What is the effect of shape of yard upon the cost and efficiency of feeding? 
What is meant by double yarding? 
Give a good crop rotation through the season for double yarding. 
Enumerate three methods of double yarding. 
. Name and discuss materials used for poultry fence posts. 
. Describe manner of setting posts. 
. How should corner posts be braced? 
. Name and describe materials used for poultry fences. 
. Tell of two methods of fastening fence to the ground. 
. Give construction of a desirable poultry fence. 
. Tell of two methods of bracing gate posts. 
. Tell how to make a good poultry gate. 
. What points should be considered in locating poultry gates? 
. Give importance, and tell how to keep poultry fences in repair. 
References.—Preservation Treatment of Poles, by William H. Kempfer, 
§. Forestry Service Bulletin 84. Concrete and Concrete Fence Posts, by 
Bainer and Bonebright, Colorado Bulletin 148. Construction of Concrete 
Fence Posts, U. 8. Farmers’ Bulletin 403. 
