PORK PRODUCTION FOE RURAL SCHOOLS. 13 



mented with nitrogenous and succulent feeds. The following com- 

 binations are suggested as rations : 



1. Corn, 2 parts, wheat middlings, 1 part. 



2. Corn, 2 parts, soy-bean meal, 1 part. 



3. Corn, 5 parts, linseed meal, 1 part. 



4. Corn, 9 parts, tankage, 1 part. 



5. Corn, 1 part, wheat middlings 1 part, skim milk, 6 parts. 

 Hogs should be kept clean, ample fresh water supplied, and smal 



quantities of succulent feed provided during the finishing-off period. 



Study questions. — What forage crops are grown in the community 

 as grazing crops for hogs? What concentrated feeds are used to 

 supplement corn for fattening hogs during the finishing-off period? 

 Have each member of the class submit a statement showing the 

 method of fattening practiced at his own home. This should include 

 the pasture crops, the feed used to supplement pastures and the 

 rations fed during the finishing-off process. 



References. — Farmers' Bulletins 874, 411, and 913. Write to the 

 agricultural college of the State for bulletins on the feeding or fatten- 

 ing of hogs. 



Practical exercises. — (1) Students carrying on home projects with 

 hogs should have pasturage for their hogs that are to be fattened. 

 Select the pigs to be fattened. Make out rations of concentrated 

 feeds, using those food materials that can be used most economically. 

 These will usually include home-grown feeds. 



(2) Members of the class that are not carrying on home projects 

 with pigs should assume charge of the feeding and care of the fattening 

 hogs at home. If feeding is to be done intelligently the hogs should 

 be weighed at the beginning of the fattening period and at intervals 

 of a week or 10 days thereafter. The weights of the hogs provide a 

 basis for calculating the proper amount of feed. 



Correlations. — Written reports of methods employed in fattening 

 hogs at the homes of the pupils provide language work. 



Calculating rations and the amounts of different kinds of feed 

 needed to fatten the hogs of project members or at the homes of 

 pupils provides interesting exercises in arithmetic. The cost of the 

 materials used in the rations should be based on local prices. 



LESSON V. 



TOPIC: SELECTING BREEDING STOCK. 



Time. — Late fall or early winter. 



Lesson outline. — Importance of the brood sow: Influence of the 

 sow upon the offspring is just as great as that of the male. Mis- 

 mating or a poor sow will not only give unsatisfactory results in 

 breeding, but it will likely discourage the beginning breeder. This 

 latter fact would be especially true of a youth carrying on a home 

 project with swine. 



