FEEDSTUFFS 



291 



stituents of normal buttermilk. Dried buttermilk is also 

 prepared. 



Milk Albumin. — -In the process of the manufacture of milk 

 sugar there is left over a by-product which is dessicated and 

 sold as milk albumin. One pound of this dried material is 

 added to 5 or 6 quarts of water and is used in mixing feed for 

 the baby chicks and also as a drink for young and old stock. 

 It is in fact the skimmed milk less the milk sugar.'' 



In a study_of_tlie Jable of digestible nutrient it is found that 

 dried blood 'conta;msl^52.3 per cent, digestible protein and 2.5 



Fig. 101. — A green bone cutter sold 

 on the market. 



Fig. 102. — A dry bone grinder sold 

 on the market. 



per cent, digestible fat. Meat scrap varies ; thus, there is on the 

 market what is termed a high-grade protein meat meal which 

 contains 55 per cent, protein, and another as pure ground 

 meat scrap or low-grade protein meat meal containing only 

 45 per cent. In addition to this, meat meal contains about 0.3 

 per cent, carbohydrate and 13.7 per cent. fat. 



There are many small slaughter-houses throughout the 

 country where meat scrap can be purchased very reasonable. 

 Some of these save the blood and dry it without cooking; it 

 can be secured in a dried state and makes an excellent and 

 cheap animal protein constituent in the mash. 



At these abattoirs the trimmings and stomachs and intes- 



