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Nutrient Profile and in vitro Fermentation Characteristics of Flamboyant (Delonix regia) Seeds Subjected to Different Processing Methods for Sustainable Ruminant Production in Humid Tropic

Journal: Academic Journal of Life Sciences (Vol.5, No. 9)

Publication Date:

Authors : ; ; ;

Page : 55-60

Keywords : Fermentation-characteristics; In vitro; Nutrient-profile; Processing-methods and ruminant animals.;

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This study assessed the nutrient profile and in vitro fermentation characteristics of flamboyant (Delonix regia) seeds subjected to different processing methods for sustainable ruminant production in humid tropic. Eight (8) different processing methods formed the experimental treatments, namely T1 (raw/control); T2 (roasted); T3 (soaked in water for 24 hours); T4 (soaked in water for 48 hours); T5 (soaked in rumen liquor for 24 hours); T6 (soaked in rumen liquor for 48 hours); T7 (parboiled for 45 minutes.) and T8 (cooked 45 minutes. The treatments were replicated three times in a Completely Randomized Design (CRD). Data obtained on the nutrient profile and in vitro fermentation characteristics was subjected to a One-way Analysis of Variance (ANOVA) using statistical analysis system (SAS) version 9. The mean was separated using Duncan's New multiple Range Test (DNMRT). The results showed that there was a significant (P<0.05) effects of processing methods on crude fibre (CF) and calcium (Ca) contents of the processed seeds with the values ranges from 2.97 % in T4 to 4.59% in T8 for crude fibre (CF). Similar (P>0.05) contents was recorded for dry matter (DM), crude protein (CP), ether extract (EE), ash, neutral detergent fibre (NDF), acid detergent fibre (ADF), phosphorous (P) and iron (Fe) content across the experimental treatments, the contents ranges from 88.41 – 89.51%, 20.59 – 21.45%, 2.24 – 3.05%, 4.25 – 4.89% 38.89 – 39.78%, 25.14 – 25.47%, 3.7 – 4.0%, 62.90 – 66.50mg/kg for DM, CP, EE, ash, NDF, ADF, P and Fe content respectively. Significant (P<0.05) different was observed for methane gas (CH4) production, with values ranges from 15.33 – 29.33 (ml). Similar value was observed for fermentation efficiency (FE), short chain fatty acids (SCFA), in vitro organic matter digestibility (IVOMD) and metabolisible energy (ME) across the experimental treatments and the values ranges from 0.37 – 0.67, 0.75 – 1.02 Mmol, 61.92 – 68.61% and 7.38 – 9.55 MJ/kg DM, respectively. Conclusively, irrespective of the processing methods flamboyant seeds had adequate nutrients to meet the nutritional requirements of ruminants except crude fibre (CF) which can be fortified with roughages or fibrous feedstuffs. The in vitro fermentation characteristics showed that the seed has potentials as a feed resource to support ruminant animal production especially in the dry season.

Last modified: 2020-01-08 20:19:01