OUTLINE OF GRAZING COURSE 387 



{A) Cattle. 



(a) Forage - acre require- 

 ments of different types. 



(b) Gains on different types, 

 in different seasons, etc. 



(c) Marketability. 



(B) Sheep, goats, and horses. 

 (Same as under (A) above.) 

 b. More and better stock. 



(i) Maximum percentage of offspring. 



(A) Condition of flesh of breeding 

 herd. 



(B) Best age for reproduction. 



(C) Definite breeding season. 



(D) Strong, ample, and well-bred 

 sires. 



(E) Breeding pastures. 



(F) Care during gestation period. 



(G) Care of offspring. 



(2) Improving the grade of stock. 



(A) Mating superior sires with 

 best dams. 



(B) Culling out inferior animals. 



(C) Cross-breeding to improve 

 vigor, size, and fecundity. 



(3) Prevention of losses. 



(A) Conserving feed for use at 

 different (critical) seasons. 



(B) Supplemental feeding (silage, 

 hay, concentrates, etc.). 



(C) Control of poisonous-plant 

 pests. 



(a) Discovery of toxic 

 species. 



(b) Management studies de- 

 signed to prevent losses. 



