ANIMAL PRODUCTION. 4'.»1 



increase when fed with albumin, is attributable to the influence of thai portion of the 

 proteid molecule which contains phosphorus, namely, paranucleic or nucleic acid. 

 The influence of different proteids and their derivatives upon nitrogen 

 metabolism with special reference to the effect of asparagin, W. Von/ | Arch. 

 Physiol. [Pfluger], Iff} {1905), No.7 9, pp. 360 $14). The experiments reported were 

 made with dogs and led to a number of general conclusions from which the following 

 arc taken : 



Paranucleic nitrogen is more completely absorbed than serum-albumin nitrogen, 



though so whal more of the latter is retained. Asparagin i- not fully assimilated, 



1.6 to 12.9 per cent having been recovered in the feces. In all the experiments 

 asparagin was found to be interior to proteids for maintaining or increasing the body 

 protein level. When asparagin was supplied with casein the proteid cleavage was 

 verv marked. 



When asparagin and serum albumin were supplied together the cleavage of protein 

 induced by asparagin was less marked than when it was fed with paranuclein or 

 nuclein. Under same conditions asparagin fed with serum albumin led to gains in 

 nitrogen. 



The action of intestinal juice on enteric secretion, A. Froi in I Compt. Rend. 

 Soc. Biol. [Paris], 58 (1905), No. 15, pp. 702-704)- — From experimental evidence the 

 conclusion was reached that the absorption of some constituents of intestinal juice acts 

 as an excitant of secretion under physiological conditions. 



Does pancreatic juice contain lactase? II. Bierry (Compt. Rend. Soc. Biol. 

 [Paris'], 58 (1905), No. 15, pp. 701, ;o. j ). — Experiments with dogs gave negative 

 results, and confirmed Bainbridge's work. 



The proper utilization of foodstuffs, A. M. Soule ( I'". Dept. Agr. Aim. /■'/</.. 

 1904), pp- 61-71). — A summary and discussion of data on the composition of 

 feeds, feeding and care of farm animal.-, and related questions. 



The assimilation of calcium and phosphorus from different phosphates by 

 grown animals, A. Kohler et \i.. (Landw. Vers. Stat., >-'/ (1905), No. 5 6, pp. 

 451-479). — The data here reported in full have been noted from a brief account 



previously published I E. s. R.. ii>. p. L005). 



Feeding- steers on sugar-beet pulp, alfalfa hay, and ground corn, W. I.. 

 Carlyle and C. .1. Griffith (Colorado Sta. Bui. 10£, pp. 12). Continuing earlier 

 work i E. S. R., 17, p. 66), the feeding value of alfalfa hay alone and supplemented 

 by beet pulp, ground corn, and these 2 feeding stuffs together was tested with \ lota 



of L2 steers each. 



Alfalfa hay and heet pulp were fed ad libitum and the corn in increasing amounts 

 up to 11 ll's. per head per day. The average daily gain in the 14 weeks of the test 

 was 2.7 lbs. per head on a ration containing both beet pulp and ground corn. <>n 

 alfalfa hay and ground corn it was L81bs.; on beet pulp and alfalfa hay it was L.9 

 lbs.; and on alfalfa hay only it was 1..") IPs. 



The cost of a pound of L rain ranged from 4.22 cts. on tin- ration containing heet pulp 

 ami corn meal to7.63ots. on alfalfa hay and ground corn. The greatest pro lit. $12.70, 

 was obtained with the beet pulp ami ground corn ration and the smallest profit, 

 $5.44 per lot, with the lot \ f ->\ alfalfa hay only. 



"An average 'feeder' steer 2 years old will make again of L.5 lhs. per day on alfalfa 

 hay alone, and will require approximately 28 lhs. of hay to make I II.. of gain. The 

 addition of ground corn to the ration of alfalfa hay will increasi the daily gain, 

 increase the market price of the steer by finishing him better in a given time, and 

 will add to the profits if the corn can he procured below 90 cts. per 100 lhs. 



"A pound of ground corn is equal in feeding value to 2.8 lhs. of alfalfa hay and to 

 9 lbs. of sugar-beet pulp for feeding 2-year-old fattening steers. Sugar-beet pulp 



at present prices is a cheaper and better feed than ground corn w hen U-<\ with alfalfa 

 hay for fattening mature steers. [It appears] that 3.22 lbs. of beet pulp is equiva- 



