SUMARY REPORT ON CROSSBREEDING OF WEST AFRICAN FOREST SHEEP WITH BLACK HEADED PERSIAN RAMS IN GHANA
I. áda, F. Vohradský
Summary
A new meat type sheep was developed in Ghana by crossing
the local Forest Type breed with imported Black Headed Persian rams during the
years 1956 to 1970. The crossbreds showed an improvement of body frame, growth
intensity, live and slaughter weight as well as of carcass and cut-out value
when compared with, the local breed. At the same time, however, this crossbreding
system had an unfavourable effect on fertility of ewes as the natality in crossbreds
dropped below 100%, For the extensive rearing and the tropical climatic conditions
of Accra Plains, this crossbreeding system proved as convenient, although other
local and improving breeds should also be considered.
Key words:
Sheep breeding in Ghana, sheep crossing