DAIRY FAEMING DAIEYING. 181 



DAIRY FARMING— DAIRYING. 



Dairy farming in the East, G. A. Billings (N. Y. Tribune Farmer, 9 

 (1910), Nos. 465, p. 11; J,66, pp. 11, 18, fig. i).— Tlie importance of a cropping 

 system for eastern dairy farms is pointed out and the profit in home-grown 

 feeds is shown from data obtained by the Office of Farm Management of this 

 Department. The relative values of different crops that may be grown on the 

 farm for feed are discussed, and illustrations are given of the methods for com- 

 puting rations for dairy cows. 



Methods and formulas for estimating the milking capacity of cows, E. 

 Reggiani (Indus. Latt. e Zootcc, S (1910), Nos. G-7, pp. 111-113; 9, pp. 155, 

 156; 10, pp. 116, 177). — ^A review of methods which have been proposed by 

 Guenon and se\eral other investigators who have attempted to judge the annual 

 milk production of a cov/ by means of " points " or formulas. 



The Holland stables for milking cows, H. M. Kroon (Trans. IX. Internat. 

 Vet. Cong. The Hague, 1 (1909), 8. G. XII, 2, pp. 21, figs. 6).— A report of types 

 of cow stables in Holland. The ditch cow stable common in the eastern and 

 southern provinces, the Friesian stable, and the North Holland stable are illus- 

 trated and described. It is stated that the last type is the only one that can 

 be recommended for the production of sanitary milk. 



The construction of stables in relation to the prophylaxis of diseases of 

 animals — especially tuberculosis — and also on the hygiene of milk, J. S. 

 Lloyd (Trans. IX. Internat. Vet. Cong. The Hague, 1 (1909), S. G. XII, 3, pp. 

 25). — A report on the points to be considered in building cow stables in Great 

 Britain. 



Can clean milk be produced at small cost? P. G. Heinemann (Hoard's 

 Dairyman, hi (1910), No. ^2, pp. 1223, 122J,, figs 6).— A description of buildings 

 and equipment essential for producing sanitary milk containing not more than 

 from 1,000 to 2,000 bacteria per cubic centimeter when delivered for consumption 

 more than 100 miles away. It is estimated that such milk bottled and ready 

 for shipment can be sold at a profit for 6 cts. per quart in a plant where the 

 output is 250 qt. per day. 



Preliminary report on the tuberculin test as applied to a city's milk sup- 

 ply, G. W. Goler (Amcr. Jour. Put). Hyg., 20 (1910), No. 1, pp. 92-97).— A. 

 paper read at the meeting of the American Public Health Association, Rich- 

 mond, Va., in October, 1909, which contains an outline of a practical method for 

 dealing with this problem. 



The arrangement and phrasing of public health regulations, G. M. Whit- 

 AKER (Amer. Jour. Pub. Ilyg., 20 (1910), No. 1, pp. 8-13). — This article consti- 

 tutes part of a paper read before the Iowa Association of Health Officers, 

 October, 1909, in which principles are laid down for observance in framing 

 laws and ordinances relating to the sale of milk and its products. 



The holding method of milk pasteurization, C. E. North (Engin. News, 

 63 (1910), No. 19, pp. 570-572, figs. 3).— A discussion of the requirements of 

 apparatus used for the successful pasteurization of milk, with special reference 

 to the storage tank for holding the heated milk a sufficient length of time to 

 destroy tubercle bacilli without overheating the milk. 



Biological and biochemical studies of milk: Pasteurization, C. J. Koning 

 (Pharm. Weekbl., 46 (1909), Nos. 49, pp. 1362-1371; 50, pp. 1388-1404; abs. in 

 Ztschr. Untersuch. Nahr. u. Genussmtl., 20 (1910), No. 4, PP- 222, 223).— A re- 

 port of experiments in pasteurizing milk at different temperatures and under 

 different conditions. The advantages and disadvantages of pasteurization are 

 discussed. 



