Am. Soc. Anim. Prod.
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The Dairy Cow in the Tropics

Albert O. Rhoad

Institute de Pesquisas Agronomicas, Pernambuco, Brazil

Abstract

The influence of the factor environment in cattle breeding is perhaps nowhere better demonstrated than in the tropics. For years some of the best blood lines of the specialized beef and dairy breeds have been imported into the warm climates as foundation stock for the breeding and commercial herds. Accepted methods of mating have been strictly carried out, adequate feeding by the recognized standards have been followed, diseases have been minimized and yet cattle of European origin have not developed or produced in accordance with their inherent capacities or hopes of their owners. In some regions of the tropics they have even degenerated under expert attention.

Now after many years of patient effort, some significant conclusions have been made that are shaping livestock policies of some tropical countries. From South Africa, where the modern breeds have had their fairest trial, du Toit states that "our (the South African) veldt seems to tolerate cattle of a certain standard only. If we try to breed beyond that standard we court disappointment." Bisschop, also of South Africa, writes of the failure of the grading-up policy, following very closely the evidence that Hammond and Edwards report of in Trinidad and Jamaica. The permanent solution of the dairy problem in India, according to Sikka, will be solved by the improvement of the pure native catties, the Brahman and the Buffalo, the European cattle to be used in a limited way as cross-breds in commercial herds.






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