168 



EXPERIMENT STATION RECOED. 



[Vol. 37 



ANIMAL PRODUCTION. 



Digestibility of sugars, starches, and pentosans of roughages, G. S. Fbaps 

 (Texas Sta. Bui. 196 (1916), pp. 5-36). — The investigations here reported per- 

 tain to the digestibility of tlie sugars, starches, and pentosans of the feeding 

 stuffs used in experiments already noted (E. S. R., 27, p. 6G.8). Tabulated data 

 show the percentage composition of these constituents, their digestibilty, and 

 the composition and digestibility of the substances obtained by boiling in dilute 

 acid and alkali. 



The results of digestion experiments with sheep are given in the following 

 table : 



Coefficients of digestibility of the sugars, starches, and pentosans of Texas fe^ds. 



Kind of fceiling 

 stuH. 



Mono- 

 sic- 

 cha- 

 rids. 



Disac- 

 cha- 

 rids. 



Starch. 



iReluc- ,^?:, 



• _ I tenal 



ble I %'^ ; dered 



P««^»^ S- "'f.?'- 



c«Uu- ",^e 



•«««• acias. 



Solu- 

 ble 

 resi- 

 due. 



Xitrogen-free extract. 



Solu- 

 ble. 



Insol- 

 uble. 



TotaL 



Alfalfa hay 



Bermuda hay 



Unr f lover 



Buffalo prass 



Corn shucks 



Cowpea hay 



Guam prass 



Johnson grass ha v.. 



Do 



Kafir com fodder . . 



MUlett 



Oat hay 



Peanut hay 



Para grass 



Rice straw (Japan) 

 Rice straw (Hon 



duras) 



Sorghutnhay 



V«tiChliay 



Pnct. 

 98.5 

 98.4 

 98.7 

 98.8 

 97.8 

 90.1 

 98.8 

 98.6 

 M.S 

 99.4 

 95.9 

 99.4 

 97.2 

 93.7 

 97.5 



8.S.6 

 99.7 

 95.7 



Peret. 



98.2 

 98.7 

 82.9 

 98.1 

 98.7 

 99.1 

 98,5 

 89.8 

 98.3 

 99.1 

 93.6 

 69.9 

 97.9 

 09.6 

 99.7 



56.2 

 95.5 

 tt.2 



Percl. 

 83.8 

 G2.9 

 82.4 

 91.0 

 92.7 



68.4 

 38.9 

 95.2 

 93.7 

 71.5 

 99.1 

 99.5 



05.9 



65.6 

 79.1 

 91.2 



Percl. 



75.7 

 55.5 

 85.4 

 65.4 

 SO. 9 



Pact. 

 61.6 



Per et. 

 8.59 



Pnct. 

 74.7 



60.2 

 65.7 

 76.0 

 80.1 

 84.3 

 73.2 

 8.S.4 

 49.7 

 23.6 



51.7 

 71.3 

 71.0 



64.0 

 0.0 

 70.8 



70.3 

 01.9 

 0.0 



92.2 

 28.2 

 52.1 



PfTCt. 



71.6 

 59.8 

 85.1 

 62.9 

 63.1 



0.0 

 67.5 



0.0 



0.0 

 91.9 

 14.7 



0.0 

 17.0 

 46.7 



71.4 

 0.0 

 64.2 



4.5 

 11.1 

 18.8 

 3.3 

 7.1 

 6.2 

 02.2 



69.2 

 37.6 

 61.5 

 77.3 

 .04 

 0.0 

 87.0 



63.4 

 49.1 

 64.6 

 78.4 

 67.3 

 56.1 

 81.7 



0.0 



0.0 

 4.9 



53.4 

 67.5 

 '54.0 



46.9 



51.8 

 67.3 

 65.8 



Perct. 

 77.1 

 43.6 

 45.8 

 55.2 

 56.5 



51.7 

 52.1 

 57.7 

 55.0 

 45.1 

 09.3 

 3.3 

 37.5 

 42.6 



43.6 

 62.9 

 62.7 



Peret. 

 65.0 

 50.2 

 75.9 

 58.0 

 60.6 

 65. S 

 53.8 

 52.3 

 61.0 

 69.4 

 50.3 

 60.8 

 74.3 

 4«.0 

 45.0 



47.3 

 65.0 

 74.5 



Chemical composition of fodder plants of the Province of Samara (Otchct 

 Besenchuk. Sclsk. Khoz. Opytn. iSta. 5 (I'Jl-i), pp. 101-121). — Experiments cov- 

 ering a period of several years to determine the feeding value from the chemi- 

 cal composition of a number of fodder plants are reported. The analytical 

 data are submitted in tabular form. 



The general conclusion drawn Is that the bays from the steppe have as 

 high a nutritive value and are as valuable for feeding stuffs as the hays from 

 other sections. 



Low-grade cottonseed meal. — Warning sounded to purchasers of feeding 

 stuffs, A. E. Perkins and R. I. Gradt (Mo. Bui. Ohio Sta.. 2 (1917), Xo. 2, pp. 

 4I-45). — Attention is called to the prevalence of inferior cottonseed meal on 

 the market during 191G, and the need is pointed out for a better State law 

 for the control of feeding stuffs. Results are given of chemical and mechanical 

 analyses of samples of two lots of cottonseed meal bought by the station. Both 

 of these lots fell below guaranty, and one contained from 40 to 60 per cent of a 

 material thought to be cottonseed hull bran. 



Hydrocyanic acid in cassava, M. O. Johnson (Hawaii Sta. Rpt. (1916), pp. 2i. 

 25). — Determinations were made of hydrocyanic acid In " bitter " and " sweet " 

 cassava. The percentage of hydrocyanic acid in the samples tested varied from 



