BREEDS OF CATTLE 39 



3. Tell how each breed of cattle may be distinguished. 



4. From Tables 6, 7, 8, 9, find the percentage of solids not fat 

 for i;he milk of each breed. 



5. How did Shorthorn cattle come to be called Durham ? 



6. What is meant by Channel Islands? 



7. On a map locate the region where each breed originated. 

 Gh o the leading characteristics of the region as to climate, topog- 

 rapliy, and food supply for cattle. Which one of the regions is most 

 like the region where you live? 



8. Make a list of all the known owners of pure-bred cattle in the 

 school district or region, with the breeds owned and numbers of 

 eacii breed. 



9. Which breed of dairy cattle is most numerous in the region ? 

 Wl i ich one is increasing most rapidly ? Why ? 



10. Why did so many breeds originate in Europe, and why does 

 the same thing not happen in America? 



LABORATORY EXERCISES 



1. If different breeds of cattle are available, make comparisons 

 of t hem, and write a description of the cattle of each breed that were 

 studied. The score cards given on pages 290 to 296 may be of help 

 in studying each breed. 



2. Make an outline drawing of the head of a Jersey and of a 

 Holstein cow as seen from the front. If possible measure the 

 length and width and draw to scale. The difference in the shape 

 of the head is supposed to be one indication that these breeds are 

 descended from two distinct forms of wild cattle. 



COLLATERAL READING 



Breeds of Dairy Cattle, U. S. Dept. Agr., Farmers' Bulletin 106. 

 Cyclopedia of American Agriculture, L. H. Bailey, Vol. Ill, pp. 

 30 L-302 and 330-382. 



Types and Breeds of Farm Animals, C. S. Plumb, pp. 169-332. 

 Dairy Cattle and Milk Production, C. H. Eckles, pp. 27-106. 



