FEEDING SWINE 



133 



more. The time at which the pigs are turned on has a 

 great deal to do with the feeding value of the crop. One 

 hundred pounds of the feed consumed by the pigs is of 

 greater feeding value as the crop matures, the consump- 



Feed wastes can be prevented by properly constructed troughs. 

 Courtesy W. D. Troutman of North Carolina. 



tion of this amount of feed containing all the way from 

 3 to 15 pounds of digestible protein, from 8 to 50 pounds 

 of digestible carbohydrate and from .4 to 1 pound of 

 digestible fat. It has an average nutritive ratio of about 

 1 : 3, which suggests its use in connection with such feeds 

 as corn, sweet potatoes, sacharrine and non-sacharrine 

 sorghums, Bermuda grass and by-products of the rice 

 milling industry. 



It is generally planted in April as soon as all danger 

 of frost is past, and it is available from August to 

 November. A common practice in most sections is to 

 grow a crop of cowpeas either in corn or else after a 



