530 



GENETICS IN RELATION TO AGRICULTURE 



of cattle succumb; and they can endure great heat; but they suffer from 

 low temperatures (Figs. 204 and 205). 



Fio. 204. A Gujarat zebu bull, a splendid specimen of the breed. Imported from India 

 and used as a herd bull in Brazil. (From the Journal of Heredity.) 



FIG. 205. A Gujarat zebu cow. Imported from India and considered an unusually 

 superior specimen of the breed. (From the Journal of Heredity.) 



The zebu may be used in two different ways in animal breeding; 

 either in obtaining direct hybrids with native cattle, or in establishing 



