10 
BULLETIN 1297, IT. S. DEPARTMENT OP AGRICULTURE 
normal in flavor and 96.9 per cent normal in odor. The greater part 
of the abnormal flavors and odors, 3.6 per cent and 2.2 per cent of the 
total opinions on the flavor and odor, respectively, were rated as very 
slightly off. On flavor, 0.4 per cent of the opinions, and on odor, 
0.9 per cent rated the samples slightly off, and none rated a sample 
off in either flavor or odor. (See Table 7 and fig. 4.) 
Table 7. — Opinions on flavor and odor of 59 samples of milk from cows fed basic 
ration of hay and grain (check cows) 
Character of samples 
Flavor 
Odor 
Opinions 
Per cent 
Opinions 
Per cent 
215 
8 
1 

96.0 
3.6 
.4 

217 
5 
2 

96.9 
2.2 
Slightly off 
.9 
Off 

Total 
224 
100.0 
224 
100.0 
FEEDING AN AVERAGE OF 14.8 POUNDS ONE HOUR BEFORE MILKING 
When the cows consumed an average of 14.8 pounds of potatoes 
(out of 15 pounds fed) one hour before milking, there was but a 
slight effect on either flavor or odor of the milk produced. A total 
of 162 opinions on 42 samples of milk produced by cows consuming 
this quantity of potatoes snowed 87.7 per cent of the opinions rating 
the milk normal in both flavor and odor. In the case of abnormal 
flavors 8.6 per cent of the opinions rated the milk very slightly off 
and 3.7 per cent slightly off. Likewise, in odor 7.4 per cent of the 
opinions rated the milk very slightly; off and 4.9 per cent slightly off. 
None of the opinions rated the milk off in either flavor or odor. 
(See Table 8 and fig. 4.) 
Table 8. — Opinions on flavor and odor of J+2 samples of milk from cows fed 15 
pounds (average consumed lJf.8 pounds) of potatoes one hour before milking 
Character of samples 
Flavor 
Odor 
Opinions 
Per cent 
Opinions 
Per cent 
142 
14 
6 

87.7 
8.6 
3.7 

142 
12 
8 

87.7 
Very slightly off 
7.4 
Slightly off 
4.9 
Off. .. 

Total. _- 
162 
100.0 
162 
100.0 
FEEDING AN AVERAGE OF 29.3 POUNDS ONE HOUR BEFORE MILKING 
When the quantity of potatoes consumed one hour before milking 
was increased from an average of 14.8 pounds (out of 15 pounds fed) 
to an average of 29.3 pounds (30 pounds fed), there was practically 
no change in the effect on the flavor and odor of the milk. A total 
of 178 opinions on 47 samples of milk produced by cows consuming 
the greater quantity of potatoes showed 88. 7 per cent of the opinions 
rating the milk normal in flavor and 88.2 per cent normal in odor. In 
the case of abnormal flavors 7.9 per cent rated the milk very slightly 
off and 3.4 per cent slightly off. Likewise, 7.3 per cent of the opinions 
