MANAGEMENT OF DAIRY CATTLE 93 



so that the animal may not have a chance to learn his enor- 

 mous strength. 



QUESTIONS AND PROBLEMS 



1. At what time of the year do most cows in your region freshen ? 

 Froni this fact and from Fig. 25, about how much less milk should 

 be giVen in August than in June? From the creamery or other 

 buyer of milk find the total amount of milk received in April, May, 

 June. July, and August. How does this compare with the natural 

 drop ' 



2. What proportion of the cattle in your region are dehorned? 

 How is dehorning done? 



.3. What systems of marking cattle are used in your region? 

 4. Why do dairy cattle require warmer barns than beef cattle? 

 6. Are any advanced registry records made by breeders in this 

 region? How many times a day do they milk? 



6. How long are most of the cows dry in the best dairy herds of 

 your region? 



LABORATORY EXERCISES 



7. Removing the Horns from a Calf. Following the direction 

 on page 81 remove the horns from a calf less than three weeks old. 



8. Milking Contest. A milking contest may be held. Farmers 

 should act as judges. Some of the points to consider should be : 

 The effect of the manner of handling the cow on her composure ; 

 how clean the milk is kept ; how completely the milk is removed 

 from the udder ; and how fast the work is done. 



COLLATERAL READING 



Stable Fly, U. S. Dept. Agr., Farmers' Bulletin 540. 

 Dehorning Cattle, U. S. Dept. Agr., Farmers' Bulletin 350. 



