CHAPTER XV. 

 MANAGEMENT OF THE LAYING STOCK. 



The primary object in the management of a flock of laying 

 hens is the profit which accrues from the sale of eggs for use as 

 human food, as distinguished from the production of eggs to be 

 used for hatching in the propagation of future layers and breeders. 



JAN. 



DEC. 



PRICE _HTP44T-CW-U_U 



MAR MAY JULY SEPT. NOV. 

 FEB. APR. JUNE AUG. OCT. 



TEMP 



FIG. 134. Curves showing the relation between yield (y), temperature (T) and selling 

 price (P) of eggs during the year 1911. 



In the former case the idea is to secure a maximum egg yield 

 throughout the year, especially during the months when the price 

 of eggs is high, owing to a large demand and limited production. 

 This usually occurs during the cold months, or during November, 

 December, January, and February (Fig. 134). 



The endeavor is to secure a maximum winter egg yield if the 

 greatest profit in market eggs is to be realized; while, in the case 

 266 



