58 Bulletin 173. 



turnips per head daily in connection with a hberal ration of con- 

 centrated feed and cut straw, caused no decrease in the fat content 

 of the herd milk, as compared with the feeding of the regular ration 

 of liaj, straw, concentrated feed and a small quantity of roots. 



Ramm "^ to study the effect of different foods on milk production 

 gave ten cows a basal ration consisting of 14 kg. of hay, 6 kg. straw 

 and 50 kg. of beets, to which, for periods of ten da^- s each, he added 

 separately eigliteen different foods. He found much variation in the 

 fat content of the milk but no marked increase except with palm 

 nut cake (7.91 kg.) alone and with a mixture of equal parts (8.25 kg.) 

 of palm nut cake and beet molasses, this mixture being accompanied 

 with a higher per cent of fat and total fat in the milk than any other 

 food. For this reason the author thinks molasses has a greater 

 effect on the quality of milk than palm nut cake. He found no 

 relation between the fat content of the milk and the fat content of 

 the food. 



In a later experiment, Ramm made further comparison of the 

 feeding value of various molasses mixtures. The mixtures used 

 were peat molasses (80 per cerit molasses and 20 per cent peat), 

 liquid molasses, equal parts of molasses and palm nut meal, molasses 

 pulp (molasses mixed with fresh potato pulp and dried), molasses 

 chips (fresh beet pulp and molasses mixed and dried), barley meal 

 and palm nut cake of average quality. The basal ration consisted 

 of hay, straw and beets. There were seven experimental periods of 

 20 days each, the last five days only being used in comparison. 

 Eight cows were used. He found the barley meal to excel the 

 molasses preparations for milk production, but concludes that the 

 latter induce an increase in the fat content of the milk. 



Winternitzf fed a goat on sesame oil mixed with a small amount 

 of iodin. He found a portion of the iodin was absorbed by the 

 milk-fat and thus concludes that a direct transmission of the fat of 

 the food into the milk may take place. 



Albert and Maercker;}: studied the effect of rations rich and poor 

 in fat, on ten cows during six periods ranging from 7 to 18 days, 



*Laud\virtscliaftliclie Jalirblicher 26 (1897), pp. 693, 731. 



f Zeitschrift Physiol. Chcm. 24 (1898), p. 425. 



X Luudwirtchaftlicliu Jalirbuchcr 27 (1898), p. 188. 



