Abstract
Effect of Plantain (Musa paradisiaca) Leaves Ash Extract and the Source of Rumen Fluid on in vitro Digestibility of Rice Straw Complemented with Calliandra calothyrsus Leaves
Highlights
The annual population growth in Central Africa is estimated at 2.9% and greater than the increase in agricultural production which is about 2.2% per year (FAO, 2004)
Incubation After 24 hours of incubation, the gas products and corrected by the gas produced by the inoculum in control tubes were used to determine the organic matter digestible (OMD) using the regression equation proposed by Menke and Steingrass, (1988): OMD (%) =14.88+0.889GP+0.45CP+0.0651Ash, where: GP:Amount of gas produced after 24 hours of incubation, CP: Crude protein of the initial sample, Mean while, the content of metabolizable energy (ME), Partitionning Factor (PF) which is the amount of organic matter degraded to produce 1 ml of gas, the microbial mass (MM), the volatile fatty acid (VFA) were calculated using the equations proposed by Makkar (2002): ME (MJ/kgDM) = 2.20+0.136GP+0.057CP, PF =OMD/GP; VFA(mmol/ml) =0.0239GP-0.0601; MM =OMD-(GPxSF); OMD =Amount of organic matter degraded
In vitro Digestibility The amount of gas produced after 24 hours of incubation (R2=0.65), the VFA production (R2=0.62), ME (R2=0.63), in vitro digestibility of dry matter (IVDDM) (R2=0.631) and in vitro digestibility of organic matter (IVDOM) (R2=0.67) obtained with sheep rumen fluid were significantly (p
Summary
The annual population growth in Central Africa is estimated at 2.9% and greater than the increase in agricultural production which is about 2.2% per year (FAO, 2004). The average consumption of animal proteins origin, is 11.1g per inhabitant per day in Cameroon, almost one third of the 33 g per inhabitant per day recommended by WHO (FAO, 2012) This protein deficit is at the root of malnutrition, which is becoming common in some parts of the country and is forcing the government to import meat to meet home demand despite its significant production potential. The chemical treatment is effective in breaking down the lignin-polysaccharide membrane bonds contained in the lignified material and releases potentially available carbohydrates to microbial attack ( Jami et al, 2014). For this purpose, several chemicals have often been used including sodium hydroxide, calcium hydroxide and ammonia. Protein complementation is necessary in addition to this treatment to optimize the digestibility of roughage fodder
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