FEEDING DAIRY CATTLE 



137 



fall? At what time are the pastures not likely to furnish enough 

 feed ? 



17. What effect does the manner of feeding the heifer have on 

 the amount of milk that she is likely to give as a heifer? As a ma- 

 ture cow? 



13. What conclusion would you draw from observing that a 

 cow when giving milk was gradually getting thinner? What con- 

 clus on if she were gaining in flesh? 



LABORATORY EXERCISES 



9. Raising a Calf. Let each student who can arrange to do so, 

 raiso a calf, following the directions that apply to the conditions. 

 Ke< p track of all the feed used, and see if the calf can be raised at 

 less than the usual cost. This is particularly important in regions 

 where whole milk is sold. 



10. Study of Feeding on a Dairy Farm. Obtain permission to 

 visii, a dairy farm, preferably one where the farmer has scales that 

 will weigh cattle ; or students may do this work for herds on their 

 home farms. A spring balance and tape measure will be required. 



Make a list of the cows in the herd, and find out the following 

 facts about each. Or if the herd is too large, use five or six cows 

 thai, are giving different amounts of milk. Each student may do 

 the work for one cow. 



