EXPERIMENT STATION BULLETINS. 



269 



per cent of fat as shown by the Babcock test. This has involved an 

 immense amount of labor, but it has been absolutely necessary, to make 

 the results accurate and trustworthy. 



The essential facts in the history of the cows, whose partial records 

 are considered in the formulation of the College standard ration, are 

 given in the following table. Since many of the cows were used in 

 experiments which necessitated conditions modifying their yields or food 

 consumption and since some cows calved in the spring and were nearly 

 dry the following winter, but part of the total records at hand are 

 available for the purposes of this discussion. It is important that the 

 breed of the cow, the date of her birth and her yields of milk and fat 

 in successive milking periods be set forth that a clear idea may be 

 had of the general effect of the rations on the subsequent usefulness 

 of the cow and that it may be farther shown that the cows were indi- 

 viduals of fully average merit. 



TABLE III. — Some College Cows and their Becords. 



Name. 



Breed. 



Date 

 of birth. 



Ending. 



Yields of milk and fat. 



Aida II I Guernsey. 



i 

 i 

 College Pogis j Jersey 



i 



j 



College Pogis II | Jersey 



Polly's Blossom ! Guernsey. 



College Daie LeBrorqj Jersey 



Cara ! Red Polled 



Oatka Holstein ._.! Mar. 26, '90 



Jan. 12, '92 

 May 11, '90 j j 



Nov. 18, '92 j ! 



Aug. 21, '92 j! 



Feb. 29, '92 1 

 July 27, '93... 



'on/ 



College Rosa Bonnes r . Holstein. 



Belle Sarcastic Holstein. 



Aaggie Wayne... ! Holstein. 



College Pauline Wayu> ] Holstein. 



Houwtje D 



Coll. Pauline America 

 College Houwtje 



Holstein. 

 Holstein 

 Holste n. 



1 



Feb. 6, '94.... 

 Jan. 18, '90 j 



Nov. 10, '90 j 



Jan. 28, '92 j 



May 12, '88 j 



Oct. 31, '92 1 



Apri] 18, '91 1 



July, '95 

 Sept., '96 

 Aug., '97 



Aug., '95 

 Oct., '96 

 Aug., '97 



Sept., '95 

 Sept., '96 

 Aug , '97 



Nov., '95 

 Mar., '96 



Aug., '95 

 Sept., '96 



Oct., '96 



— — '92 



Aug., '94 



Dec , '95 



April, '97 



Aug., '97 



Nov., '95 

 Aug., '97 



Oct., '93 

 Mar., '95 



Dec, '95 

 Jan., '97 



Nov., '95 



Nuv., '96 



Jan., '96 

 June, '97 



Dec, '94 

 Jan., '96 



Length, 

 months. 



10 

 10 



Milk, 

 lbs. 



3,155.9 

 6, o4!. 8 



Fat, 

 lbs. 



Butter, 

 lbs. 



10 j 5,049.6 



11 



11 



4 



6.559. 

 11,314.71 ! 

 4,565.9 ; 



11 4,793.5 i 

 11 6,853. 

 10 I 6,306.4 



11 

 3 



10 

 11 



15 



"9 



I 



5,231.7 

 1,875.1 



4,132.8 

 6,394.8 



5,913.6 



157.94 

 340.65 

 251.87 



316.26 

 553.06 



207.91 



227.05 

 352.36 

 330 96 



244.66 

 82.52 



246.57 

 384.68 



234.85 



7,571 5 

 7,250.4 

 15 I 11,909.8 | 

 12 I 11^59.1 ! 



379.42 

 346.82 



184.26 

 397.42 



293.84 



368 97 

 645.23 



242.56 



261.89 

 411.08 

 386.H 



285.43 

 96.27 



287.65 

 448.97 



273.99 



442.65 



401.62 



12 | 14,171.9 i 453.79 ! 529.42 



19 30,511.2 ' 915.94 1.0S8.6O 

 18 | 29,514 77; 941.31 I 1,098.19 



'2 

 12 



18 

 12 



14 

 12 



12 



