ANIMAL FEEDS 209 



tirely; its value for this purpose has been found to be about one- 

 half of that of skim milk or buttermilk. This would make 12 

 pounds of whey equal to one pound of grain feed in feeding value. 

 It has also occasionally been used as a calf feed, but the preceding 

 remarks as to feeding buttermilk to calves apply with still greater 

 force to whey. It must be fed fresh and sweet, if used for this 

 purpose, and with the utmost care as to the various factors that 

 make for successful calf feeding (p. 220). 



QUESTIONS 



1. What packing-house feeds are used for feeding farm animals? Give the 



characteristic properties and uses of each. 



2. What is colostrum milk? 



3. Name the dairy by-products used for feeding farm animals. 



4. What are the characteristics of each ? Name their uses. 



5. What is the average composition of (a) cows' milk, (6) mares', ewes', 



goats', and sows' milk ? In the case of the latter kinds, give fat contents 

 only. 



6. What is the relative feeding value of whole milk, skim milk, buttermilk, 



and whey for feeding calves or pigs ? 



