12 POULTRY LABORATORY GUIDE 



especially adapted to the latitude of Pennsyl- 

 vania and New Jersey. 



It will be noticed that while the birds are 

 feeding in one yard there is a crop growing in the 

 other, and it is a simple matter to grow four crops 

 a year in each yard. 



The rye and vetch that are seeded in yard B 

 about September 20 should be allowed to grow 

 until planting time in the spring, when they will 

 furnish an abundance of green feed until the 

 spring-planted crops are ready. 



The birds should not be allowed to feed on 

 any of the above crops until they are at least four 

 to six inches tall; if allowed on the feed before 

 this age, it will last but a few days. 



Fencing. — Examine the material used for 

 posts, — wood, concrete, or iron. If wood, what 

 kind ? Note the size of posts, both comer and 

 intermediate, also the method of bracing the 

 corner posts by means of poles from the top 

 to the bottom of the next posts in line, and 

 the running of a tension wire from the bot- 

 tom of the corner post to the top of the next 

 post. 



With a spade dig around the bottom of a few 

 of the posts and see to what an extent decay has 

 taken place and estimate the future life and use- 

 fulness of the posts in that way. If different 



