PHOSPHORUS STARVATION : I. 



93 



Experiment H.a — Fowls fed on white rice, white rice and darac, and white rice 



and phytic add. 



Eight (nine) chickens kept in a large yard inclosed by a wire fence. 



WHITE RICE. 



Mark of fowl. 



Begin- 

 ning of 

 disease. 



Death. 1 





Nov. 23 



NOV. 11 



Nov. 9 



Nov. 26 | 

 Nov. 13 1 

 Nov. 20 j 



h 



k .. 





WHITE RICE AND DARAC. 



• Mark of fowl. Beginning of disease. 1 



1 _ _ 



• 

 Healthy until Dec. 31 

 Do. 







WHITE RICE AND PHYTIX.'' 



Mark of fowl. 



Begin- 

 ning of 

 disease. 



Death. 



Healthy until Dec. 31 

 Dec. 23 ] Dec. 26 



c (from foregoing experiment) .. 



e 



i Nov. 1 ! Nov. 18 



j I Healthy until Dee. 31 



Summaby. — Duration of life (days). 



, Chickens receiving white Chickens receiving white 

 rice only. rice and phytic acid. 



Mark of fowl. Davs. Mark of fowl. Days. 



1 



a 33 c 



> 120 



j 



d 30 f __ 



44 



76 



38 



> 80 



1 e _ . 34 e 



g. 46 i 



h 33 j 



k ! 40 



a This experiment was commenced October 12, 1909, and ended December 31, 1909. 



b October 13 to October 25, 10 cubic centimeters of phytic acid solution were given 

 daily (0.2 gram T 2 O z ) ; October 26 to October 31, the same solution of phytic acid 

 neutralized by caustic potash ; November 1 to December 30, 1 gram calcium phytate ; 

 November 7 to November 10, owing to illness of the writer, no phytin was given, 

 but white rice only. 



