780 



EXPERIMENT STATION RECORD. 



with 39 cows and the other with 42 cows, are reported. In each case the cows were 

 divided into 3 lots as nearly alike as possible, and fed for 4 periods varying in length 

 from 3 to 9 weeks in the lirst experiment and from 4 to 12 weeks in the second 

 experiment. Varying amounts of concentrated feeds consisting of wheat bran, sun- 

 flower cake, palm-nut cake, and brewers' grains were fed the different lots in addi- 

 tion to coarser feeding stuffs. In the first experiment feeding 7 lbs. of concentrated 

 feed was more profitable than feeding 10 or 13 lbs., and in the second experiment 

 feeding 4 lbs. w-as more profitable than feeding 7 or 10 lbs. 



A study of individuality of dairy cows in a modern dairy barn, W. A. 

 CoNANT {Rhode Island Sta. Bid. SO, pp. 41-i07, pis. 14)- — A detailed account is given 

 of the kind and amount of food eaten and the yield and fat content of the milk pro- 

 duced by each of 11 cows during the period from December 1, 1900, to March 14, 

 1901, together with illustrations and notes on the history and characteristics of each 

 cow. The feeding stuffs used were Chicago gluten meal, cotton-seed meal, wheat 

 bran, wheat middlings, oat hay, and corn silage. The data for each cow as regards 

 the amounts of the several feeding stuffs and of the different nutrients which gave 

 the best results, the average yield of milk for all the rations fed, and the yield for 

 the most favorable ration, etc., are summarized m tables. Various suggestions are 

 made throughout the article in regard to the feeding and care of cows and a full 

 account is given of the management of one of the cows at calving time. Averaging 

 the results for the whole herd and the different feeding stuffs separateh^ the best 

 yield of milk was obtained with 1.29 lbs. of Chicago gluten meal, 1.81 lbs. of cotton- 

 seed meal, 3.83 lbs. of wheat bran, 4.05 lbs. of wheat middlings, 5.73 lbs. of oat hay, 

 and 38.85 lbs. of corn silage. The best results were obtained with 21.07 lbs. of 

 digestible dry matter, 2.10 lbs. of digestible protein, and a nutritive ratio of 1:5.9. 



Pan-American model dairy, V. E. Fuller [Jersey Advocate and Dairyman, 1 

 {1001), No. 37, Sup., folio). — Ten breeds were represented by 5 cows each. The 

 record as given shows the kind, quantity, and cost of food consumed, and the milk, 

 fat, and solids produced by each cow for the 6 months of the test. The following 

 table summarizes the yield of milk, fat, and solids by breeds for the entire test as 

 well as the cost of food and the net profit in estimated butter and in solids* 



Record of 5 cows each of 10 breeds for 6 months, showing total production, cost of food, 



and nit profit by breeds. 



Breed. 



Jersey 



Guernsey 



Ayrshire 



Shorthorn 31, 986. 



Holstein 



Polled Jersey 



French Canadian 



Brown Swiss 



Red Polled 



Dutch Belted 



The Red Polled and Dutch Belted cows were selected from a comparatively small 

 number available for this purpose, and during the first 18 days of the test the Dutch 

 Belted were represented by 3 cows only. "The first deduction that would naturally 

 be drawn from the net profit in estimated butter is that the breeds which are speci- 

 ally bred for the dairy show a very strong lead in this particular." The Red Polled 

 is noted as a possible exception to this statement. The Guernseys made the greatest 

 profit in butter, with the Jerseys second, and the Ayrshires third. The Ilolsteins 



