576 EXPERIMENT STATION RECORD. [Vol. 88 



The swine industry in New Jersey, with suggestions relative to the con- 

 trol of hog cholera, F. C. Minklek {N. J. Dept. Agr. Bui. 1 {1916), pp. 48, pis. 

 11). — A general treatise on hog breeding, feeding, and marketing. Hog cholera 

 and the use of serum for its prevention is described. 



Experiments with swine, 1916 {Ann. Rpt. Ontario Agr. Gol. and Expt. Farm, 

 42 {1916), pp. 27, 28). — Two lots of 5 pigs each were used in an experiment 

 comparing tanliage and sliim milk, ground barley and wheat middlings con- 

 stituting the basal ration. The tankage at $2.64 per hundredweight was found 

 more economical than skim milk at 25 cts. per hundredweight. The pigs 

 on tankage made an average gain per head of 94.2 lbs. in 95 days at a cost 

 of 3.41 cts. per pound, while the skim milk lot gained 93.8 lbs. at a cost 

 of 4.75 cts. 



Two lots of 5 pigs each were used in a trial comparing wheat middlings, 

 ground barley, and skim milk fed in the ordinary trough with the same 

 rations used in self-feeders. In 95 days the first lot gained an average of 

 93.8 lbs. per head at a cost of 4.75 cts. per pound ; while the latter gained 

 96.4 lbs. at a cost of 4.9 cts. The higher cost with the self-feeder was thought 

 to be due to the greater waste, but this might be offset by the saving in 

 labor over trough feeding. 



Feeding work horses, O. W. McCampbell {Kansas Sta. Circ. 62 {1917), pp. 

 16).— An abridgment of Bulletin 186 (B. S. R., 29, p. 873). 



The very short gestation of a mare, de CnorN {Compt. Rend. Acad. Agr. 

 France, 1 {1915), No. 25, pp. 716, 717; abs. in Internat. hist. Agr. [Rome], 

 Internat. Rev. Sci. and Pract. Agr., 7 {1916), No. 10, pp. 1472, i^JTS).— The 

 author records observations on a mare which was served on March 19, 1915, 

 and foaled on November 7, 1915, after only 233 days of pregnancy. The off- 

 spring, which was perfectly viable, weighed 128 lbs. and had a height to the 

 withers of about 30 in. The only apparent incomplete part at birth was the epi- 

 dermis of the feet, which grew rapidly during the first few days of the foal's 

 life. 



The position and prospects of mountain and moorland ponies, T. F. Dale 

 {Jour. Bath and West and South. Counties Soc, 5. scr., 11 {1916-17), pp. 112- 

 117). — ^An account of steps being taken, with suggestions for future work, 

 toward the improvement of such ponies as the fell, Highland, New Forest, 

 Exmoor, Dartmoor, and Welsh breeds of Great Britain. 



Horse breeding in the Argentine Republic at the present day, Q. Mar- 

 TiNOLi {Internat. Inst. Agr. [Rome], Internat. Rev. Sci. and Pract. Agr., 8 

 {1917), No. 6, pp. 819-825). — The 1916 census of live stock shows an increase 

 of over 33J per cent in horses in the Province of Buenos Aires within the last 

 eight years. Brief notes are given of the history of horses in Argentina, the 

 improvement of local breeds by the use of imported stallions, and the feeding 

 and care of horses under Argentine conditions. The lack of a profitable export 

 market for horses has led to a continujil changing of ideas in breeding, and as a 

 consequence it is difficult to obtain homogeneous lots of any importance. 



Comparative studies of ha.lf -breed or " mestizo " and native chickens, B. C. 

 Velez {Philippine Agr. and Forester, 5 {1916), No. 4, pp. 103-118, figs. 2).— A 

 comparative study was made of native chickens of the Philippines with White 

 and Brown Leghorns and Black Orpington crosses on native stock. 



For a period of 13 weeks from hatching the native chickens made an average 

 weekly gain of 16.5 gm., while the crosses gained as follows : White Leghorn 

 17.72 gm., Brown Leghorn, 20.5 gm., and Black Orpington 21.66 gm. 



While the number of fowls under observation were few and the results In- 

 complete, the following conclusions are noted : The mestizo chickens were more 



