62 The Farmer's Veterinary Adviser. 



vive 140° P. Hams thoroughly smoked are safe. Slightly- 

 smoked hams and those steeped in creosote or oarljolic 

 acid are most dangerous. Pigs should not be kept near 

 slaughter-houses and especially should the waste of these 

 places be forbidden them. Such hog-pens, indeed all pig- 

 geries, should be kept scrupulously clean and clear of rats 

 and mice. The carcasses of swine fed near slaughter-houses 

 or where rats abound should be subjected to a thorough 

 microscopic examination before passing into consumption. 

 Whenever a case of trichinosis occurs ia a human subject 

 the pork should be traced to its source if possible, and the 

 pigs reared in the same place kUled and subjected to pro- 

 longed boiling. The rats and mice should be eradicated 

 and the hog-pens and manure bm-ned. 



