The use of biochemical parameters to monitor the nutritional status of ruminants: the influence of energy intake and sampling time on the relation between concentration of urea-nitrogen in the plasma of growing cattle and crude protein content of the diet.
1984
Richardson F.D.
The objectives of this study is to examine the relations between PUN (Plasma Urea-Nitrogen) on the one hand, and on the other either protein intake or dietary protein concentration in cattle given different amounts of dietary energy.
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