TY  - JOUR
Y1  - 2025/05/30/
JF  - Online Journal of Animal and Feed Research
AV  - public
EP  - 174
N2  - This study focused on the modification of oncom making based on cassava (Manihot esculenta) pulp to improve the nutritional profile through fermentation by Neurospora sitophila and enrichment with a mixture of urea (0, 2.5, 5, 7.5, and 10 of dry matter) and a nitrogen:sulfur ratio of 15:1 (oncom cassava pulp= OCP). Hence an investigation was carried out on the in vitro digestibility and fermentability of OCP when included in sheep diets. In vitro evaluation (diet oncom cassava pulp; DOCP) was carried out on diets consisted of a mixture of 50 grass and 50 concentrate containing 2.5OCP (which selected based on the highest analysed crude protein and crude fiber levels when compared to the nutrient contents of other enriched OCP levels, P < 0.001) with compositions of 0, 10, 20, and 30 of DOCP. Results showed that the higher use of urea and nitrogen:sulfur ratio caused a decrease in crude fiber and gross energy and an increase in nitrogen-free extract (NFE) levels (P < 0.001). Using 2.5OCP in the diet resulted in significantly different N-ammonia (N-NH3), volatile fatty acid (VFA), in vitro dry matter digestibility (IVDMD), and in vitro organic matter digestibility (IVOMD) (P < 0.05), except for total gas and ruminal pH values. The highest IVDMD and IVOMD were obtained in 30 DOCP with a close N-NH3 and VFA and within the normal range. In summary, CP fermentation by Neurospora sitophila which is enriched with a mixture of 2.5 urea and nitrogen:sulfur at a 15:1 ratio can be used in sheep diet up to 30. © The Author(s) 2025
KW  - Chemical additives; Feed; Fermentation; Neurospora sitophila; Rumen
TI  - THE EFFECT OF NITROGEN AND SULFUR IN MAKING ONCOM OF CASSAVA PULP BY Neurospora sitophila AND ITS IMPACT ON IN VITRO DIGESTIBILITY AND FERMENTABILITY IN SHEEP DIET
IS  - 3
UR  - https://www.scopus.com/inward/record.uri?eid=2-s2.0-105007342734&doi=10.51227%2fojafr.2025.20&partnerID=40&md5=52490b93428ec94ff54f1812d44c20ce
A1  - Hernaman, Iman
A1  - Dhalika, Tidi
A1  - Tanuwiria, Ujang Hidayat
A1  - Ayuningsih, Budi
A1  - Budiman, Atun
A1  - Hidayat, Rahmat
A1  - Rosani, Urip
A1  - Mutaqin, Bambang Kholik
A1  - Nugraha, Muhammad Ramdhani
A1  - Ismiraj, Muhammad Rifqi
VL  - 15
SN  - 2228-7701
PB  - Scienceline Publication
ID  - eprints1369
SP  - 168
ER  -