
MILKING MACHINES 133 
TABLE 88. 
YIELD OF S1x Cows MiILKep WitH MacuiINnE, MARCH 7—-May 8. 






















Me area | Sa |e ty ioe foe bee. | a hoe 
Meee) fe) Pe Pee ee | ee | Pe ote 
eae sere he | ges Eee 
1| 7|169.2/167.5 |169.1-|180.3 |175.3 |179.7 |177.6 |176.2 |185.8 
7| 2/209.0)195.9 |195.0 |200.7 |199.1 |190.5 |185.9 186.9 188.7 
8| 3/131.0/135.2 |131.6 [136.7 |130.6 |125.9 |129.8 ]131.5 |126.9 
9| 2|232.01216.8 |215.4 [214.3 |195.8 |189.5 |175.1 |181.5 187.7 
10 | 2/105.8/105.0 |104.7 |107.8 /104.9 | 99.6 | 98.1 | 98.6 {102.0 
Pies 291) Gi 87.9 | 83.9 |}. 83.9 86.0 177.8 | 78.7 | 81-7 | 87e5 
3/958.6/908.3 [899.7 |922.7 |891.7 |863.0 |845.2 |856.4 |878.6 


Calculated shrinkage 5.9 per cent. per month. 


Taste 38.—The yield of six cows milked continu- 
ously with the milking machine for nine weeks was 4135.1 
_ pounds in the first half of the trial and 3889.0 pounds in the 
second. The average period of lactation was the fifth 
month. The difference in yield is equivalent to a shrinkage 
of 5.9 per cent. per month, 
