University of Khartoum

Seasonal Variation of Nutritive Value of Some Grazing Plants and some Macro - Minerals in Soil in Foga, North Kordofan State, Sudan

Seasonal Variation of Nutritive Value of Some Grazing Plants and some Macro - Minerals in Soil in Foga, North Kordofan State, Sudan

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Title: Seasonal Variation of Nutritive Value of Some Grazing Plants and some Macro - Minerals in Soil in Foga, North Kordofan State, Sudan
Author: Mohammed, Waleed Ali Abdelrahman
Abstract: The study aimed to determine the seasonal variation in nutritive value and the status ofsome macro-minerals of Requenia obcordata, Eragrostis termula, Euphoebia aegyptiaca, Cenchurs biflorus, and soil at late wet season September 2013 and early dry season April 2014. Samples of plants and soil were collected from the same positions of grazing area of Foga village in Bara locality, North Kordofan state, Sudan. Tests carried were: chemical composition, invitro digestibility of dry matter (DMD), crude protein digestibility (CPD), neutral detergent fiber digestibility (NDFD), and macro-minerals content, (calcium, magnesium, potassium, sodium, and phosphorus). A complete randomized design with 4×2 factorial arrangements (four species × two seasons) was used to carry out the experiment. The results revealed that the crude protein, mineral content and nutrients digestibility were significantly (P<0.05) higherat late wet season. In contrast the crude fiber, neutral detergent fiber (NDF), acid detergent fiber (ADF) and acid detergent lignin (ADL) content were significantly (P<0.05) lowerat late wet season. Requenia obcordata had highervalues in the late wet season compared to early dry season for crude protein content (12.3%, 8.68%) and high crude protein digestibility (67.4%, 60.7%). All plant species had adequate levels of calcium and magnesium for adult sheep requirement at late wet season and early dry season. Phosphorus, sodium and potassium levels of the all plants were within the range of the adult sheep requirement at late wet season, while they were below the recommended critical level at early dry season. In all seasons, the concentrations of calcium and magnesium in soil were adequate for plant growth, but phosphorus and potassium had lower value than criticaladequate levels for plant growth in both seasons. All of plants species in the grazing area could provide considerable nutrients requirements of the adult sheep at the late wet season. But at the early dry season most of the studied plants were deficient in the nutrients, therefore, the study recommended that animal diet should be partially supplement with concentrates and salt licks.
URI: http://khartoumspace.uofk.edu/123456789/26492


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