ANIMAL PEODUCTION. 571 



land, Romney Marsh, and Improved Wels'li rams. The Ryeland cross proved to 

 be the most desirable, both as to vigor and fattening qualities. 



Effect of dips on wool, B. G. Enslin (Union So. Africa Dept. Agr. Rpt. 

 1913-14, lip. 69-73). — Experiments in which sheep were treated with various 

 dips are reported. It is said that while wool treated with caustic soda and sul- 

 phur in certain proportions will be dissolved, a dipping fluid made of the proper 

 proportions will not damage the wool. The effect of all alkaline soda salts, when 

 they are used improperly, is to destroy the spinning qualities of the wool, but it 

 is said that the damage caused by the improper use of alkalis is hardly likely 

 to be greater than that caused by the scab mites, for wool from sheep which 

 have suffered from scab is brittle and structureless and has lost both its sinn- 

 ning and felting qualities. 



[Pig] feeding experiments, O. W. H. Rotjlston et al. (Dept. Agr. and 

 Tech. Instr. Ireland, Rpt. Dept. Com. Irish Pig-Breeding Indus., 1914, pp. 12, 

 13). — It was found that the average daily gain in weight made by a large 

 number of pigs fed on barley, bran, or corn was practically the same. The pigs 

 fed on barley produced a better quality of pork than those fed on corn. 



In a feeding trial with 159 pigs, some fed during the summer and some in 

 winter, on the average 4.13 lbs. of corn meal were consumed to produce 1 lb. of 

 live weight, the maximum being 5.2 lbs. and the minimum 3.24 lbs. of meal. 

 Pigs were fattened with less feed in summer than in winter. It was found that 

 in a mixed feeding ration 4 lbs. of potatoes were approximately equivalent to 

 1 lb. of meal for fattening pigs. Though theoretically separated milk is about 

 one-sixth of the value of com meal, it was found that when it was fed to pigs 

 with meal and potatoes it was actually worth almost one-third more than its 

 theoretical feeding value, probably due to the greater relish with which the pigs 

 consumed, their feed. 



A larger increase of weight was obtained in the early stages of fattening for 

 the amount of feed consumed than in the later stages. Pigs fed either in sum- 

 mer or in winter on raw meals (steeped in water for from 1 to 12 hours) gave 

 a higher daily gain than those fed on cooked meal, and the quality of pork was 

 equally as good. 



Swine-feeding experiments with a sugar feed, Richardsen (Landw. Ztschr. 

 Rheinprovinz, 16 {1915), No. 23, pp. 374, 375). — Successful experiments are 

 reported in which 24 kg. of a sugar feed daily per 1,000 kg. live weight were fed 

 in addition to a basal ration of corn meal and fish meal and blood or meat meal. 

 The sugar appeared to increase the digestibility of the entire ration and to 

 improve the quality of the flesh. 



The value of fish and meat meals for fattening pigs, G. Mabtinoli (Rev. 

 Centra Estud. Agron. y Vet., 7 {1914), No. 72, pp. 258-270; ahs. in Intemat. 

 Inst. Agr. [Romeli, Mo. Bui. Agr. Intel, and Plant Diseases, 6 {1915), No. 3, pp. 

 445, 446). — From results obtained in experiments comparing the relative feed- 

 ing value of fish and meat meals it was concluded that in fattening pigs from 

 the earliest age fish meal proved of value in developing the skeleton and in 

 stimulating the appetite and the processes of assimilation. The animals fed on 

 fish meal grew more rapidly than those fed on meat meal, and they were of 

 superior quality. Neither the fish nor meat meal imparted any particular smell 

 or taste to the flesh. 



Artificial impregnation of mares, O. voN Nemeshegni {Deut. Landw. Tier- 

 zucht, IS {1914), No. 32, pp. 383, 384, fig- 1).—A number of successful trials in 

 artifically impregnating mares are reported. The results show that 5 cc. of the 

 spermatic fluid is sufficient to impregnate one animal. 



Care and training of trotters and pacers, A. C. Thomas and W. H. Shields 

 {Chicago: Chicago Horseman Newspaper Co., 1915, 3. ed., pp. 176, figs. 6). — 



