202 



MASS. EXPERIMENT STATION BULLETIN 187. 



estimated by the general understanding that, so far as possible, all traces 

 of inflammatory products should be removed from milk. This is to be 

 done whether any tangible reason can be given or not at present; it is 

 the consensus of opinion that at times, at least, these products are dan- 

 gerous, especially the micro-organisms giving rise to them. 



The Fibrin (so-called) in Milk. 



A substance which has been designated as fibrin is visible in milk when 

 treated with a fibrin staining process. This is ahnost invariably removed 

 by clarification. It cannot be our purpose to assign to this particular 

 substance any role other than existence, in accordance with results of 

 staining. That such results are obtainable can be best verified by actual 

 trial. 



Table XXX. — Presence of Fibrin in Certified Milk hejwe and after 



Clarification. 



Sample No. 



Cow. 



Before. 



After. 



1, 



2. 



3. 



4, 



5. 



6, 



7, 



8, 



9. 



10, 



11, 



12, 



13, 



14, 



15, 



16, 



17, 



18, 



19, 



20, 



21, 



22, 



23, 



24, 



25. 



33 



77 

 33 

 77 

 77 

 146 

 33 



33 



62 

 146 



56 



77 



24 ■ 



33 



62 

 146 



56 



24 



62 

 33 and 62 

 33 and 62 



