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IJSTR >> Volume 8 - Issue 8, August 2019 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Mode Of Action Of Ammoniating In Increasing Nitrogen Content And In Vitro Apparent Organic Matter Digestibility Of Forages

[Full Text]



Dede Kardaya, Deden Sudrajat



urea, ammoniation, rice straw, in vitro digestibility.



An experiment was conducted in order to repeal mode of action of ammoniating in increasing nitrogen content and in vitro apparent organic matter digestibility of forages. The experiment was accomplished under completely randomized design with two factors (2 x 4) and three replicates. The collected data were analysed with a two-factor ANOVA and, if applicable, continued with Tukey’s tests. Regression analyses were applied to repeal the incubation rate. Results showed that ammoniating treatment used 3% of urea increased crude protein content and in vitro apparent OM digestibility of rice straw significantly (P<0.05). Nitrogen originated from urea retained in rice straw materials during the consecutive incubation period could be best predicted with a cubical regression Y = 0,447 + 0,114 t – 0,52 t2 + 0,004 t3 (R = 0.849; p = 0.002) and the highest rate of ammoniating process occurred in week 2 of the incubation period. It was an implication that disruption of lignocellulosic fractions occurred as a result of retaining N originated from urea in C1 site of reduced sugar.



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