S BULLETIN 1, r. 5. DEPARTMENT OF AGBICXTLTUBE. 
demand for certified milk. Three of these were indefinite. Onlv 10 
out of this number reported that the demand was increasing rapidly: 
1 more stated that the demand was fair. 2 that the demand was 
increasing steadily, 2 that there was a moderate demand, and 1 that 
the increase was gradual. This gives a total of 19 commissions that 
found that the demand was increasing in a satisfactory manner. 
The other 23 answers were divided as follows: Not a rapid increase. 
12 : very slew. 1 : -light increase. 2 : -low increase. 7: limited. 1. 
It appears from. these answers and from the results tabulated that 
while -ertirled milk is increasing its sphere of influence, the increase 
is very slow, and at the present time only about one-half of 1 per 
cent of the total milk supply of this country is certified. One com- 
mission made the report that the demand was fairly good, but no 
dairyman was willing to supply it. Another commission accounted 
for the slow increase in the demand for certified milk by saying that 
ertified milk was limited because of the superior quality 
of the market milk in the city where the commission was located. 
PRICES OF CERTTFrED MILK COMPARED WITH THOSE OF MARKET MLLK. 
The prices of certified milk to the consumer vary in different cities 
from 10 to i" :-ents a quart, the average price for all cities being 
about 14. 2 cents. The price of ordinary market milk in the same 
cities varies from 5 to 1:2 cents a quart and averages about 7.S cents. 
Certified milk therefore sells for an average of f :>.l cents a quart more 
than market milk. As a rule, where the price of market milk is low. 
the price of certified milk is also comparatively low. although this 
does not hold true in all cases. 
It was found in 1907 that the average price of certified milk was 
12} cent- a quart, and the average price of market milk was 7^ cents 
a quart. It will be seen from the foregoing figures that while the 
average price of market milk has increased only about 0.6 of a cent a 
quart, the average price of certified milk has increased about 2 cents 
a quart. 
THE INFLUENCE OF CERTIFIED MILK. 
While certified milk is in a class by itself and does not enter into 
competition with ordinary grades of market milk, it has much edu- 
cational value in cities where it is used. There is no doubt that the 
advertising of certified milk does much to inform consumers that 
n milk costs more than dirty milk and that a cheap milk is apt 
langei ous. 
The influence of certified milk on dairymen in general is a little 
more complex. Certified dairies have certainly shown how to pro- 
duce the finest grade of milk and have served as models along this 
