QUESTIONS AND ANSWERS 355 



Badly-infested carcasses should be destroyed. Mild cases should 

 be rendered into lard, smoked, pickled, or salted to destroy the 

 parasite. ' 



What is cold slaughtered beef and how is it detected? 



Cold slaughtered beef is that from a carcass of a dead unslaugh- 

 tered animal. Fraudulent attempts are made to give the carcass 

 the appearance of a normally slaughtered animal by performing 

 the sticking or cutting on post-mortem. This can be detected by the 

 absence of bloody infiltration of the edges of the wound, improper 

 bleeding, and perhaps evidence of post-mortem decomposition. 



What is your opinion about ante-mortem examination of animals used 

 for food? 

 It is very desirable, but should not supplant the post-mortem 

 inspection. By it many diseases of animals may be detected and 

 the contamination of slaughter-houses avoided, not to mention the 

 safeguarding of the public health. Certain diseases, such as scabies, 

 rabies, tetanus, etc., which show slight or no lesions on post 

 mortem can be readily diagnosed on ante-mortem examination. 



What is the average composition of cow's milk? 



Water 87.00 Proteids 3.30 



Solids 13.00 Fat 4.00 



Lactoee 4.95 



Salts 75 



State the hygienic precautions that should be observed in managing a 

 dairy from which milk is sold daily. 



' ' Cleanliness ' ' is the keynote. 



Stable : Well draiiied, ventilated, and lighted. 



Cows : Healthy, well fe^rid cared for, and clean. 



Milking : The milkers should be healthy and tidy. 



Care of milk : Promptly remove milk from the stable and cool it 

 to 45° P., and keep it at this temperature. 



Utensils: Should be all metal and cleansed daily by washing 

 and sterilizing with steam or boiling water. 



Water supply : Should be of unquestioned purity. 



What is meant by certified milk? Mention the conditions in the pro- 

 duction and care necessary to warrant the certification of 

 the milk from a particular dairy. 



Certified milk is^ that which is produced so as to conform to the 

 requirements of a legal contract between a medical milk commission 



