191«1 DAIRY FARMTtfG DAIBYINQ. 673 



4.54, 12,52, and 21.73 cts., for the respective lots. The total fertilizing value 

 of the respective lots was estimated to be $17.68, $12.93, and $3.61. 



The results indicate that it is not profitable to hog down soy beans (grain) 

 unless a supplementary feed is given, for only 110 lbs. of pork were produced 

 per acre with such a procedure, which did not pay for the seed sown, cost of 

 cultivation, and rent of land. 



It was found highly profitable to hog down soy beans when a supplementary 

 feed, such as corn, was given, for the lot of hogs receiving 2 per cent of its 

 weight in corn meal daily produced 825 lbs. of pork per acre at a cost of 4.54 

 cts. per pound gain. Valuing pork at 7 cts. per pound, the net value of pork 

 produced by this acre of soy beans was $20.32, which, with $17.68 for the 

 fertility left on this acre of ground, would make a total of $38. It was not 

 found profitable to hog down cowpeas, even if supplemented with corn meal. 



The acre of soy beans hogged off with a supplementary feed of corn produced 

 feed for 10 hogs for 21 days and for 20 hogs for an additional 21 days. The acre 

 of soy beans with no corn produced feed for 10 hogs for 21 days and for 15 

 hogs for an additional 14 days. The acre of cowpeas hogged off with a sup- 

 plementary feed of corn meal given the hogs furnished feed for 15 hogs for 22 

 days. 



Cooperative live-stock shipping associations in Minnesota, E. D. Durand 

 (Minnesota Sta. Bui. 156 (1916), pp. 5-29, figs. 5).— This bulletin treats of the 

 general character of the cooperative live-stock shipping-association movement, 

 the number and location of such associations in Minnesota, and their dis- 

 tribution and volume of business, and gives suggestions for conducting the 

 business and method of organization, including a suggested constitution and 

 by-laws. The text of the Minnesota laws governing cooperative associations 

 is appended. 



Stallion enrollment. — V, The stallion enrollment law and the farmer, 

 H. E. McCaetney (Indiana Sta. Circ. 52 (1916), pp. 16, fig. 1). — An explanation 

 of the Indiana stallion-enrollment law and the benefits of the law. It is shown 

 that during the two years in which the law has been in operation there has been 

 a decided increase in pure-bred stallions and jacks and a decrease in grades 

 and scrubs. 



Announcement regarding the egg-laying contest, J. J. Hoopeb and R. H. 

 WiLKiNS (Kentucky Sta. Circ. 12 (1916), pp. 27-39, figs. 5).— This is an an- 

 nouncement of an egg-laying contest to be held at the Kentucky Experiment 

 Station, beginning November 1, 1916, together with the rules and regulations 

 governing the same. 



DAIRY FARMING— DAIRYING. 



[Pairjring] (Nebraska Sta. Rpt. 1915, pp. XI-XIII). — Three years' experi- 

 mental work to test the relative values of alfalfa hay and corn silage in milk 

 production indicates that with the quality of silage and alfalfa hay which 

 has been fed in these experiments, when corn silage is worth $3.50 per ton 

 to produce milk, alfalfa hay is worth $8 per ton. This would indicate that 

 where alfalfa hay is cheap and abundant the use of silage will not lessen the 

 cost of milk production unless it can be produced at a lower cost than was 

 charged for it in these experiments. 



Corn silage has given more favorable results than alfalfa silage, due largely 

 to the improper fermentation of alfalfa silage, which affected its palatability. 

 Recent experiments have shown that a mixture of one-half green sorghum with 

 one-half green alfalfa makes a good quality of silage, but the feeding value of 

 this mixture has not been compared with corn silage. 



