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KMID : 0359319820220020111
Korean Journal of Veterinary Research
1982 Volume.22 No. 2 p.111 ~ p.114
An Estimation on the Efficiency of Utilization of Sulfur Coated Urea and Diuredio Isobutane in Vitro



Abstract
In order to explore more efficient protein substitutes by improving the utilization of non-protein nitrogen compounds in ruminants, the experiment was undertaken. The e(facts of sulfur coated urea (SCU) and diuredio isobutane (DUIB) in the luminal fluid on the concentration of NH₃-N, the total count of the ruminal ciliates and pH value were estimated in vitro.
The results obtained from the experiment were as follows:
1. The pH of the media of the group added diuredio isobutane and sulfur costed urea tends to decrease slightly at 9 hours after the incubation, but no pH changes were observed in the media added urea alone .
2. The number of the ciliates in the luminal fluid was slightly increased 9 hours after the incubation in all groups.
3. The concentrations of NH₃-N in the ruminal fluid were gradually increased according to the incubation in vitro showing 418, 431 and 627 ㎍/㎖ in the group added diuredio isobutane and 428, 569 and 792㎍/㎖ in the group added sulfur coated urea at 0, 0.5 and 9 hours after the incubation, respectively.
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학술진흥재단(KCI)