Feeding Stuffs of Animal Origin 257 



blood is much less rich in mineral matter and fat 

 than other slaughter-house offals are generally, and 

 the proportion of protein is correspondingly larger. 

 All these materials are excellent poultry foods when 

 used as a part of the ration. They may be fed to 

 swine also as an amendment to cereal grains when 

 dairy by-products are not available. 



