316 PRODUCTIVE FEEDING OF FARM ANIMALS 



" 7. Beans seem to have more marked effect than corn in producing 

 softness, and should not be used for finishing bacon hogs." 



Barley and skim milk make the best combination for bacon pro- 

 duction, and may be fed in the ratio of 1 to 3 or 1 to 5. These feeds 

 will produce large gains and a good quality of meat ; other valuable 

 feeds are peas, linseed meal, fine-ground oats and tankage. Clover, 

 alfalfa, or rape will furnish large and satisfactory returns in summer 

 with barley, shorts, and a small amount of skim milk. Winter feed- 

 ing is also practised where roots are available either mangels or 

 sugar beets ; they should be supplemented by skim milk and barley 

 or wheat, with some linseed meal or tankage. 



Pig Clubs. A very important educational work has been car- 

 ried on during late years by the so-called Boys' and Girls' Pig 

 Clubs for those ten years or more of age. These clubs first became 

 of importance in southern States, but have gradually spread to 

 other states where hog raising is an important industry. This work 

 will doubtless become of increasing value to the livestock industry 

 of our country as time goes on. 25a 



QUESTIONS 



1. How do pigs rank in relation to other farm animals as producers of 



human food? 



2. Give the average birth weight of pigs and average weekly gains up 



to weaning. 



3. State the average amount of feed eaten daily by pigs of different weights 



and the feed per 100 pounds gain for pigs of different live weights. 



4. What, if any, is the advantage of grinding, cooking and soaking feed 



for swine? 



5. Describe the use of Indian corn in swine feeding. 



6. How can swine be fed for fat and for lean? 



7. Discuss briefly the value of dairy products and of pasture for swine 



feeding. 



8. Give briefly the method of feeding fattening swine in different parts or 



the country. 



9. What is the difference in feed requirements per 100 pounds gain of 



swine in summer and in winter? 



10. Give Dietrich's maintenance requirement of digestible protein and 



energy value for breeding pigs, and outline the method of feeding 

 recommended by him. 



11. Describe the method of feeding swine for bacon production. 



12. What feeds are especially adapted for this purpose? 



References : Day, "Productive Swine Husbandry," Philadelphia, 1915. 

 Farmers' Bui. 205, " Pig Management." 438, " Hog Horses." 765, "Breeds 

 of Swine." 864, "Swine Management." 951, "Hog Pastures for the 

 Southern States. 599, " Pasture and Grain Crops for Hogs in the Pacific 

 Northwest." 411, "Feeding Hogs in the South." 614, "Hogging Down 

 Crops." 379, "Hog Cholera." 



25 aSee the Boys' Pig Club Work in the Yearbook of the U. S. Dept. 

 Agr., 1915, p. 173; U. S. Dept. Agr. Bui. 345; Farmers' Bui. 566; also 111. 

 Ext. Cir. 32 ; La. Cir. 2 ; N. C. Cir. 26. 



