Neraca nitrogen domba di UP3 Jonggol yang mendapat tambahan legum dan konsentrat pada ransum berbasis rumput Brachiaria huminidicola

ISBN 978-602-95808-1-5

Seminar Nasional Fakultas Peternakan Unpad ke-2
“Sistem Produksi Berbasis Ekosistem Lokal”

NERACA NITROGEN DOMBA DI UP3 JONGGOL YANG
MENDAPAT TAMBAHAN LEGUM DAN KONSENTRAT
PADA RANSUM BERBASIS RUMPUT
Brachiaria humidicola
Sri Suharti, Rani Asmawati dan Komang G. Wiryawan
Departemen Ilmu Nutrisi dan Teknologi PAkan, Fakultas Peternakan IPB
Jl. Agatis, Kampus IPB Darmaga Bogor, Jawa Barat
Email:sri_suharti@ipb.ac.id

ABSTRACT
This experiment was aimed to find out the optimum level of legume used as the
grass substitution on nitrogen retention of sheep at UP3 Jonggol. This experiment
was conducted according to completely randomized block design with five
treatments and four replications. The treatments were : R1(90% Brachiaria
humidicola+ 10% Concentrate), R2(80% Brachiaria humidicola+10%
legume+10% Concentrate), R3(70% Brachiaria humidicola+20% legume + 10%

Concentrate), R4(60% Brachiaria humidicola+30% legume + 10% Concentrate),
and R5 (70% Brachiaria humidicola+30% legume + 0% Concentrate). Variables
measured were crude protein intake, crude protein digestibility, nitrogen retention,
NH3, and VFA. Data were analyzed using analysis of variance and treatment
effects were further analyzed using Contras Orthogonal test. The experiment
showed that treatments increased crude protein consumption (P