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BULLETIN 1138, U. S. DEPARTMENT OF AGRICULTURE. 



ticallv no difference in the average loss in weight of the two pens of 

 birds. By referring to Table 1 it will be noted that the average 

 survival period of the birds in pens 2 and 3, which were fed auto- 

 claved rice alone, was 20.5 days, or practically the same as that of 

 pens 4 and 5 on the ox-muscle rations. 



Table 2. — Experimental fndinii of dried ox muscle and polished rice. 



Meat ration. 



Pigeon 

 Xo. 



Survival 

 period. 



ChaiiLv 



in 

 weight. 



Result. 



PEN 4. 



25 per cent round No. 553 



Do 



Do 



Do 



Do 



SO 



;.-, 



68 

 B5 

 90 



Days. 



14 

 17 

 19 

 20 

 24 



rcr cent. 

 -12.0 

 -15.4 

 -18.0 

 -24.7 

 -8.4 



rolvncuritis. 

 Do. 

 Do. 

 Do 

 Do. 



Averace 





18.8 



-15.7 











PEN 5. 



- 



96 

 98 



97 

 48 

 95 



12 

 14 

 17 

 19 

 45 



-4.1 

 —5.5 

 -16.3 

 -10.9 

 -35.0 



Do. ' 



Do 



Do 



Do 



Do 



Do. 

 Do. 

 Do. 



Died, inanition 



Average 





21.4 



-14.4 





PEN 6. 



25 percent chuck Xo. 568 



Do 



Do 



Do 



8 

 10 

 9 



7 



13 

 24 

 26 



37 



-5.0 

 -11.4 



-8.7 

 -20.6 



Polvneuritis. 

 Do. 

 Do. 

 Do. 







25 



-11.4 





PEN 7. 



25 per cent sirloin Xo. 569 



13 

 11 

 12 

 14 



20 

 23 

 25 

 55 



-2.5 

 -11.6 

 -16.0 

 -25.5 



Do. 



Do 



Do. 



Do 



Do. 



Do 



Alive, very thin, end of experiment. 





Average 





30.8 



-13.9 











PEN 8. 



25 per cent round Xo. 5S9 dried at 

 room temperature. 

 Do 



32 



33 

 31 

 35 



13 



24 

 25 

 55 



-10.4 



-22.4 

 -9.7 

 -36.0 



Polyneuritis. 

 Do. 



Do 



Do. 



Do 







« 



Average 





29.2 



-19.6 













Pen 6 was fed a ration containing 25 per cent of muscle taken from 

 the shoulder of another fat carcass of beef. The slightly longer sur- 

 vival period and smaller loss in weight indicate a somewhat higher 

 antineuritic value for this sample of muscle than for that fed to pens 

 4 and 5. 



Pen 7 was fed a ration which contained 25 per cent of muscle taken 

 from the loin of another fat carcass of beef. The survival period of 

 this pen of birds was slightly longer than that of pen 6 getting 25 per 

 cent of muscle from the round, but this difference is due to the sur- 

 vival of pigeon 14 in pen 7 at the end of the test, although it was in 

 very poor condition at that time. The three other birds in this pen 

 developed polyneuritis on the twentieth, twenty-third, and twenty- 

 fth days. In reality, there was probably no material difference in 



