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Performance of beef cattle herds under different pasture and management systems in the Llanos of Colombia.
(Technical University of Berlin, 1988)
Mineral supplementation of grazing beef cattle in eastern plains of Colombia.
(Universidad de la Florida, 1977)
Effect of chelation on trace mineral utilization by poultry and swine.
(University of Nebraska, 1972)
Urea and yucca (Manihot esculenta) for dairy cattle in Colombia.
(Purdue University, 1971)
Animal responses to sodium hydroxide treated corn cobs when fed to ruminants.
(University of Nebrask, 1972)
A simulation analysis of policies for the northern Colombia beef cattle industry.
(Michigan State University, 1974)