[3] The whole process was to a great degree the work of Dr. Thomas Lecky, a pioneer in Jamaican agricultural science.
By a process of elimination, Ayrshire and Brown Swiss were discontinued in 1928, Red Poll in 1938 and Guernsey in 1943.
The Zebu element was added in 1920, through the introduction of one Sahiwal bull imported from Pusa, India.
It has gained popularity, and is today extensively exported to other countries in the Caribbean, as well as Latin America.
[6] It has been suggested that the Jamaican Hope should be bred with the Australian Milking Zebu, to ensure greater genetic diversity.