78 



Second 6 weeks, August 2 September 12. 



EXPERIMENT H (1906). 



ANOTHER SET OF 10 COWS ON PASTURE IN TWO LOTS OF 5. 

 PRELIMINARY TRIALS. 



Lot I. ... 

 Lot II. . 



Milk per cow per day. 

 30-2 pints 

 30 -2 pints 



% fat 

 3-48 

 346 



Average live-weight 

 per cow. 



1,086 Ib. 

 l,1221b. 



Results for first 5 weeks, June 19 July 23. 



Second 5 weeks, July 24 August 27. 



Summary and general conclusions. For the conveni- 

 ence of the reader the results of the two experiments are 

 here summarized, the chief data only being given. 



The two experiments described had for their special object 

 to determine the effect of concentrated food upon the quantity 

 and quality of milk when cows are on pasture during the 

 summer. The first experiment was carried out in the summer 

 of 1905, and extended over twelve weeks. The second experi- 

 ment was conducted during the summer of 1906, and con- 

 tinued for ten weeks. There was two lots of 5 cows in each 

 experiment, one lot receiving nothing but grass throughout, 

 and the other lot 4 Ib. per cow per day concentrated food in 



