Preprint Article Version 3 Preserved in Portico This version is not peer-reviewed

Nutritional Quality of Indigenous Legume Browse in the Southern Ethiopia: Farmers’ Preference and Correlation of Local Valuation of Feed Value with Scientific Indicators

Version 1 : Received: 1 February 2023 / Approved: 2 February 2023 / Online: 2 February 2023 (08:02:33 CET)
Version 2 : Received: 6 February 2023 / Approved: 7 February 2023 / Online: 7 February 2023 (04:18:55 CET)
Version 3 : Received: 27 April 2023 / Approved: 28 April 2023 / Online: 28 April 2023 (03:37:02 CEST)

How to cite: Abraham, G.; Kechero, Y.; Andualem, D. Nutritional Quality of Indigenous Legume Browse in the Southern Ethiopia: Farmers’ Preference and Correlation of Local Valuation of Feed Value with Scientific Indicators. Preprints 2023, 2023020034. https://doi.org/10.20944/preprints202302.0034.v3 Abraham, G.; Kechero, Y.; Andualem, D. Nutritional Quality of Indigenous Legume Browse in the Southern Ethiopia: Farmers’ Preference and Correlation of Local Valuation of Feed Value with Scientific Indicators. Preprints 2023, 2023020034. https://doi.org/10.20944/preprints202302.0034.v3

Abstract

The research was carried out in southern Ethiopia to determine farmers' preferences for indigenous legume, fodder trees and shrubs (ILFTS), as well as the relationship between local feed valuation and scientific parameters. A focus group discussion (FGD) was conducted with ten farmers in each agro-ecological zone to determine the benchmarks for the preference ratings. The respondent farmers used the preference score sheet to rate all ILFTS on an individual basis. Twenty farmers with extensive experience in ILFTS took part in the preference score rating of each plant species in each agroecosystems. Dry matter (DM), organic matter (OM), Ash, crude protein (CP), neutral detergent fiber (NDF), acid detergent fiber (ADF), acid detergent lignin (ADL), and metabolizable energy (ME) content of the samples were determined. The standard two-stage in vitro approach was used to measure the in vitro dry matter digestibility (IVDMD) of samples. ANOVA was used to analyze the variation among the species in agroecosystems. Farmers evaluated the ILFTS using a variety of parameters, according to the study (feed value, growth rate, biomass output, compatibility, and multifunctionality). The farmers ILFTS preference score on the evaluation criteria differed considerably (P<0.05) with species in agroecosystems. The nutritive value of ILFTS was in the acceptable range for feeding ruminants although exhibited a wide variation among the species in agroecosystems. The CP content was above the minimum requirement (8%) to support the normal function of rumen microorganisms. Moreover, CP exhibited positive significant correlation with IVDMD, IVOMD, and DOMD unlike CT and ADL which exhibited negative significant correlation. Thus, ADL and CT were identified as feed fractions that inhibit IVDMD either by depressing the activity of rumen microorganisms or restricting enzyme access to cell wall components. Conversely, the DM, OM, CP, IVDMD, IVOMD, DOMD, and ME were shown a positive significant correlation with farmers feed preference score, unlike the ADL and CT which exhibited a negative significant correlation. In conclusion, Farmers' indigenous knowledge of feed value is therefore relevant to some extent for judging the nutritive value of the ILFTS and could complement the scientific indicators.

Keywords

agroecosystems; feed value; indigenous knowledge; laboratory indicator; nutritive value

Subject

Biology and Life Sciences, Animal Science, Veterinary Science and Zoology

Comments (1)

Comment 1
Received: 28 April 2023
Commenter: Getachew abraham Mihiretu
Commenter's Conflict of Interests: Author
Comment: trees and shrubs were clusterd and analyzed separtely to the vriation between them in agroecosystems particularly for nutritive value and farmers preferance score analysis. 
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