264 CARE OF SWINE 



may have access to them. If the disease is in the vicinity, 

 pigs should be vaccinated against cholera by a duly quali- 

 fied veterinarian. 



If the herd is attacked, all pens should be cleaned and 

 thoroughly disinfected, the serum treatment given, all 

 carcasses and litter burned, the hogs kept away from wal- 

 low holes and other unsanitary places, and provided with 

 well-lighted and well-ventilated sleeping quarters. 



EXERCISES 



1. What are the advantages of the colony hog houses? 



2. Why should the brood sow with a litter of pigs be given 

 feeds rich 'in protein and mineral matter? How should her 

 feed differ from that of the pigs after weaning ? 



3. What is the essential difference between feeds for bacon 

 and for lard hogs? 



4. Can hogs be fattened on pasture, rape, or any kind of 

 green' feed? Give reasons for your answer. 



5. Do bacon breeds ever become lard hogs? If so, under 

 what conditions? 



HOME PROJECT 



Select and raise a pig to sufficient maturity for the market 

 under the best conditions of feeding, care, and management. 

 Keep an accurate record of cost and returns. 



