The Proportion of Cassava and Palm Kernel Cake Affects in situ Rumen Degradation Kinetics in Ongole Crossbreed

DOI

10.2991/absr.k.220401.060How to use a DOI?

Keywords

Dried cassava; Dietary ratio; In situ; Palm kernel; Rice straw

Abstract

The present study investigated the effect of varying the proportion of dried cassava and palm kernel cake on in situ rumen degradation kinetics in Ongole Crossbreed. Ongoles were fed two different concentrate rations of cassava and palm kernel cake (PKC) varying in percentage with one concentrate mixture comprising 80% cassava with 20% PKC and the other concentrate mixture was 50% cassava mixed with 50% PKC. Each concentrate mixture was fed with rice straw to make a total mixed ration of approximately 80% rice straw and 20% concentrate. Each ration was fed to one of two rumen fistulated cattle in a cross-over design. Each period was of two weeks with an adaptation period. In situ degradation was measured in the second week. A sample of the mixed concentrate was measured into each nylon bag such that the proportion of cassava or PKC was the same as the ration concentrate being fed ie 80:20 or 50:50 cassava:PKC respectively. Each mixed concentrate treatment (5 g) was weighed in quadruplicate into nylon bags and then incubated in the rumen for 4, 8, 16, 24, 48, 72, and 96 h, removed at these times, dried and analysed for DM and organic matter. The degradation kinetics of dry matter and organic matter were higher (P<0.05) in the 80:20 concentrate treatment than the 50:50 concentrate treatment. The immediately degradable fraction, the potentially degradable fraction, fractional degradation rate, and theoretical degradability were higher (P<0.05) in the 80:20 concentrate treatment thanthe 50:50 dietary treatment even though this had a higher crude protein content. In conclusion, degradation rate of the 80:20 cassava concentrate was higher and reflected the higher starch content of this mixed ration. It would be the better concentrate mixture as a supplement but if fed at high levels the 50:50 concentrate mixture would be a safer option to avoid acidosis.

Copyright

© 2022 The Authors. Published by Atlantis Press International B.V.

Open Access

This is an open access article distributed under the CC BY-NC 4.0 license.

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TY  - CONF
AU  - Gita Nofriantika
AU  - Andriyani Astuti
AU  - Ali Agus
AU  - Cuk Tri Noviandi
AU  - Dimas Hand Vidya Paradhipta
AU  - Ahmad Sofyan
AU  - Simon Quigley
AU  - Dennis Poppi
PY  - 2022
DA  - 2022/04/11
TI  - The Proportion of Cassava and Palm Kernel Cake Affects in situ Rumen Degradation Kinetics in Ongole Crossbreed
BT  - Proceedings of the 6th International Seminar of Animal Nutrition and Feed Science (ISANFS 2021)
PB  - Atlantis Press
SP  - 292
EP  - 295
SN  - 2468-5747
UR  - https://doi.org/10.2991/absr.k.220401.060
DO  - 10.2991/absr.k.220401.060
ID  - Nofriantika2022
ER  -