46 ELEMENTARY TREATISE ON STOCK FEEDS AND FEEDING 



lastly phosphates of calcium, magnesium and sodium. Iron is 

 found in the haemoglobin. 



Chemical Composition of Blood. The composition of the blood 

 as given is from various investigators. 



100 parts venous blood of the horse contain: 



Per cent. 



Corpuscles 32.6 



Plasma 67.4 



The corpuscles contain : 



Water 56.5 



Solid matter 43.5 



The plasma contains : 



Water 90.8 



Solids 9.2 



The solids consist of : 



Fibrin .4 



Albumin 7.5 



Fats i 



Extractives .4 



Soluble salts - .6 



Insoluble salts .2 



Average blood contains : 



The plasma- 

 Water 90.0 



Proteids 8. to 9. 



Fats .1 



Fibrin .2 to .4 



Extractives .4 



Salts .8 



The corpuscles 



Water 56.0 



Solids 43.0 



consisting of 90 per cent, haemoglobin and 8 per cent, 

 proteids 

 Salts i.o 



Taking the blood as a whole the following will approximately 

 represent its composition. 



Per cent. Per cent. 



Water 80. 



Haemoglobin 10. 

 Solids 20. -{ Proteids 8. 



Salts 2. 



I 



