Early growth and seasonal chemical composition of three indigenous multipurpose tree species (MPTS) in Abeokuta,Nigeria |
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| Authors: | U Y Anele O M Arigbede J A Olanite I O Adekunle A O Jolaosho O S Onifade A O Oni |
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| Institution: | (1) Department of Pasture and Range Management, College of Animal Science and Livestock Production, University of Agriculture, PMB 2240 Abeokuta, Nigeria;(2) Department of Soil Science and Land Management, University of Agriculture, PMB 2240 Abeokuta, Nigeria;(3) Department of Animal Nutrition, University of Agriculture, PMB 2240 Abeokuta, Nigeria |
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| Abstract: | A study was carried out to evaluate the growth parameters and nutritive qualities of Moringa oleifera, Millettia griffoniana and Pterocarpus santalinoides. The main objective of the study was to assess the potential of the MPTS in supplementing the feed of ruminant animals during
the dry season when grasses are scarce and their quality generally fall short of animal requirements. Leaf samples were randomly
collected from the trees for estimation of the proximate composition, neutral detergent fibre, acid detergent fibre and gas
production using the in vitro technique. Samples were collected three times to represent seasonal variations as follows: November:
Early Dry; February: Mid Dry and April: Late Dry seasons. Gas production was recorded at 3, 6, 9, 12, 15, 18, 21, 24, 48,
72 and 96 h of incubation. Mortality rate was less than 5%. M. oleifera recorded the best overall growth respectively followed by P. santalinoides and M. griffoniana. P. santalinoides and M. oleifera retained more leaves in the dry season than M. griffoniana. The dry matter (DM) and ether extract (EE) contents of the MPTS were significantly (P < 0.05) affected by seasons and plant species while there were significant (P < 0.05) species effects on the CP and ADF values. The gas production values and the fermentation parameters indicated the
presence of potentially degradable nutrients in the MPTS, which underscores the importance of the tree species as sources
of nutrient for ruminant animals during the dry season. |
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| Keywords: | Chemical composition Fermentation parameters Green leaf retention Growth rate In vitro gas production and multipurpose tree species |
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