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Purdue University, Lafayette, Indiana 47907
Abstract
URES has been utilized in research studies with ruminants for many years but very early in this area of research it was observed that performance on urea supplements was usually somewhat less than when natural protein supplements were utilized (Gallup, Pope and Whitehair, 1952; Galiup, White-hair and Bell, 1964; Anderson et al., 1959; Raleigh and Wallace, 1963; Albert et al., 1955).
The objective of the research reported in this paper was to study the effect of dehydrated alfalfa and of fish solubles upon urea and other nutrient utilization in a liquid supplement, by beef cattle and sheep.
Fattening beef cattle and lambs were utilized in feeding trial technique, in digestibility trials and in nitrogen balance studies in this research. Beef cattle were utilized in a study of the value of added condensed fish solubles. Lambs were utilized in a study of added dehydrated alfalfa meal as sources of nutrients which might enhance the utilization of liquid high urea supplements.
1 Department of Animal Sciences, Journal Paper No. 4054, Purdue University Agricultural Experiment Station.
2 The data are from a thesis submitted by the senior author to the Graduate School, Purdue University in partial fulfillment of the requirements for the degree of Master of Science. Present address: Centro De Nutricao Animal, Nova Odessa Est. S. Paulo, Brazil, South America.
3 Superintendant Purdue Lynnwood Agricultural Center.
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