858 



THE VARIABILITY OP COWS MILK, 1., 



15.0 



13.0 



8.0 



0.8 



o o 



0.5 



* o 

 100 

 Calves 2 4 6 8 10 



Text. tig. 5. 

 Effect of nuniljer of calves, or age of cow, on composition and properties of 

 milk. Ordinates: values of composition and properties. Abscissie: 

 numbers of calves. 



Effect of Period of Lactatiox. 

 The effect of the period of lactation on the composition and 

 properties of cows' milk is shown by the figures in the following- 

 Table. The periods have been expressed as months of thirty days 

 each. The number of cows at each stage of lactation is also given. 

 Tlie values of the composition and jDroperties are the mean values 

 for the number of cows at each stage. 



