ANIMAL PEODUCTION. 603 



the United States is large they are widely scattered and are seldom kept in large 

 flocks, a fact which would render it diftlcult to secure any considerable number of 

 common goats of desirable quality for breeding for leather. 



The value of goat flosh, the use of these animals as destroyers of brushwood and 

 as milk jiroducers, as well as other topics connected with the industry, are discussed. 



The high-bred sheep and swine industry of England and its importance 

 for German breeders, E. A. Brodermann {Schaf- unci Schweine-hochzuchten in Eng- 

 land und Hire Bedeutung fur deutsche Zilchter. Berlin: Deut. Landw. Gesell., 1903, pp. 

 20). — Sheep and swine raising in England is discussed with special reference to its 

 bearing upon similar industries in Germany. 



Refrigeration as applied to bacon curing, L. M. Douglas {Froc. Cold Storage 

 and Ice Assoc, 4 {1903), Xo. 1, pp. 7-20, pis. 3). — A brief paper with discussion. 



Feeding stuflfe for horses, P. DechAxAibre and E. Curot {Les aliments du cheval. 

 Paris: Asselin tt IFonzeau, 1903, ])p. XVIII -\r 455, Jigs. 5). — In this volume the authors 

 discuss the composition of the body and the food requirements of horses, as well as 

 the principal horse feeds and their nutritive and economic value, the whole consti- 

 tuting a useful summary of information on these topics. There are also chapters on 

 poisonous feeding stuffs and veterinary medicine. 



Cooperative records of the cost of producing eggs, H. H. Wing {Xew York 

 Cornell Sta. Bui. 212, pp. 48, fig. i).— In continuation of j^revious work (E. S. R., 

 14, p. 486) the station has cooperated with a number of j)ractical poultry feeders for the 

 purpose of obtaining data regarding the cost of the winter production of eggs under 

 different conditions, the present investigation being in its essentials a duplicate of 

 that reported earlier. 



At the start the flocks included ranged in number from 43 to 700, exclusive of males. 

 In every case some died or were removed during the test, which began Deceml)er 1 

 and closed March 28, the time being divided into 4 periods, the second of 5 weeks 

 anil all the others of 4 weeks each. 



"No restrictions were jilaced upon the owners as to how the fowls were to l)e fed, 

 cared for, or managed. In brief, they were asked to produce, by their usual methods, 

 the greatest possible mimber of eggs at the lowest possible cost and to re^iort each 

 week the kind and amount of food consumed and the number of eggs produced." 



The average cost of feed jier dozen eggs was 18.7 cts. and the average price of eggs 

 23.4 cts. per dozen. Considering this and the- earlier test 29 flocks representing 10 

 owners and 5,200 fowls produced daily 22.8 eggs per 100 fowls, the average cost of feed 

 per dozen eggs being 17.7 cts. The flocks which laid the most eggs during December 

 and January also laid the most in March, and the hens which laid the most eggs 

 produced them at the lowest cost per dozen regardless of the cost of the ration. The 

 egjr production of pullets was noticeably in excess of that of hens, particularly dur- 

 ing the early part of the winter when the price of eggs was highest. The average cost 

 of feed for 17 weeks was $35.33 per 100 fowls, and the average value of the i)roduct 

 exceeded the cost of feed by 116.13 i>er 100 fowls. 



A productive farmyard; ducks, swans, geese, and rabbits, L. Brechemin 

 ( La liasse-cour j^rodvx;tive: PalmipMes et lapins. Paris, 1903, j)p. 344, .figs. 60; rev. in 

 Jour. Agr. Prat., n. ser., 6 {1903), Xo. 44, P- 581). — This volume, which is included 

 in the Lihrairie agricole de la maison rustique, treats of the raising of ducks, swans, 

 geese, and rab))its for profit. 



Concerning the passage of fat from food to the egg, and concerning the 

 fatty acids of lecithin, V. HENKiQUEsandC. Hansen {Skand. Arch. Physiol., J4 {1903), 

 X(i. I), pp. 390-397). — From some experiments with hens fed linseed products, and espe- 

 cially some in which hemp seed was fed, the conclusion was drawn that a considerable 

 portion of the fat of food can i)ass into the egg unchanged. In this respect the egg fat 

 is comparable in formation with body fat rather than milk fat. 



17672— No. 6—04 6 



