REPORT OF THE ASSISTANT PROFESSOR 

 OF DAIRY HUSBANDRY AND ANIMAL 



INDUSTRY. 



To the Director of the Cornell University Agricultural Experiment 

 Statioji. 



Sir :— 



The work of the Dairy Division of the Experiment Station 

 has been considerably expanded and enlarged owing to the 

 increased facilities provided under the State appropriation, 

 Chapter 67, Laws of 1898. During the summer months several 

 dairy schools giving practical instruction in butter and cheese 

 making were held in various parts of the State. In addition to 

 the instruction thus given, we have had many requests from 

 creameries and cheese factories for assistance in special diflBcul- 

 ties, and we have been able to render such assistance in almost, 

 if not quite, every case. The call upon our department for men 

 to supervise butter tests of thoroughbred cows has been greater 

 during the past year than ever before. ' 



Investigations in Dairy Bacteriolog}' have been carried on 

 through the year and some valuable results obtained, notably in 

 the study upon ' ' Ropiness in Milk and Cream. ' ' Our Bacteriolo- 

 gist, Mr. A. R. Ward, has recentl}^ removed his laboratory from 

 the Veterinary College to the Dairy Building where he will con- 

 tinue these investigations. 



The subject of " dilution " in raising cream has occupied con- 

 siderable attention. Manufacturers of so-called " Dilution 

 Separators ' ' have been scattering their wares over the State and 

 scores of inquiries concerning their merits have come to our 

 ofhce. In order to secure new and accurate information with 

 which to answer these inquiries we made careful tests of the 

 " separators " both at our laboratory and also at several farms 

 w^here we found them in daily use. The results of our tests, 

 which show that the dilution of milk for raising cream results, 

 in most cases, in a great loss of butter-fat, were published in 



