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Fodder production responses to pruning height and fodder quality of some trees and shrubs in a forest-savanna transition zone in southwestern Nigeria

Fodder production responses to pruning height and fodder quality of some trees and shrubs in a... Seasonal fodder production responses of five shrubs ( Centrosema arenarium, Desmodium strigillosum, Desmodium velutinum, Phyllodium pulchellum , and Tadehagi triquetrum )and five trees ( Albizia gummifera, Berlinia grandiflora, Albizia niopoides, Bauhinia monandra , and Inga edulis ) to pruning heights ranging from 15 to 75 cm were evaluated during the main-wet, minor-wet, and dry seasons of 1993 and 1994 in the forest-savanna transition zone of West Africa. Fodder from the main-wet season was analysed for nitrogen (N) and phosphorus (P), and dry matter degradation characteristics after 6, 12, 24, 48, 72 and 96 h of incubation in rumen-fistulated N'Dama steers. In the minor-wet season, fodder production of all species increased in response to increasing pruning height with the exception of P. pulchellum and A. gummifera . Highest fodder production was attained at a pruning height of 45 cm for the Desmodium species, 50 cm for P. pulchellum , and 75 cm for the rest of the species. Concentrations of N and P varied significantly among the species; for N the ranges were 28.7–38.8 g kg −1 (shrubs) and 25.3–44.5 g kg −1 (trees), while for P the ranges were 3.26–7.04 g mg −1 (shrubs) and 3.58–6.76 g mg −1 (trees). Dry matter degradation characteristics differed significantly among shrubs and trees; ranges for shrubs were: soluble fraction ( a ), 128–185; degradable fraction ( b ), 664–703; potential degradability ( PD ), 793–857, as g kg −1 ; rate of degradation ( c ), 0.0241–0.0308 as % h −1 while for trees ranges were: ( a ), 139–160; ( b ), 651–826; ( PD ), 824–970, as g kg −1 ; ( c ), 0.0143–0.0227 as % h −1 . Based on fodder production and quality, C. arenarium, D. strigillosum, D. velutinum, B. monandra, I. edulis , and A. niopoides were the most promising species for the development of animal agroforestry technologies in the west African forest-savanna transition zone and similar environments in the tropics. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Agroforestry Systems Springer Journals

Fodder production responses to pruning height and fodder quality of some trees and shrubs in a forest-savanna transition zone in southwestern Nigeria

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References (23)

Publisher
Springer Journals
Copyright
Copyright © 2000 by Kluwer Academic Publishers
Subject
Life Sciences; Agriculture; Forestry
ISSN
0167-4366
eISSN
1572-9680
DOI
10.1023/A:1006291413670
Publisher site
See Article on Publisher Site

Abstract

Seasonal fodder production responses of five shrubs ( Centrosema arenarium, Desmodium strigillosum, Desmodium velutinum, Phyllodium pulchellum , and Tadehagi triquetrum )and five trees ( Albizia gummifera, Berlinia grandiflora, Albizia niopoides, Bauhinia monandra , and Inga edulis ) to pruning heights ranging from 15 to 75 cm were evaluated during the main-wet, minor-wet, and dry seasons of 1993 and 1994 in the forest-savanna transition zone of West Africa. Fodder from the main-wet season was analysed for nitrogen (N) and phosphorus (P), and dry matter degradation characteristics after 6, 12, 24, 48, 72 and 96 h of incubation in rumen-fistulated N'Dama steers. In the minor-wet season, fodder production of all species increased in response to increasing pruning height with the exception of P. pulchellum and A. gummifera . Highest fodder production was attained at a pruning height of 45 cm for the Desmodium species, 50 cm for P. pulchellum , and 75 cm for the rest of the species. Concentrations of N and P varied significantly among the species; for N the ranges were 28.7–38.8 g kg −1 (shrubs) and 25.3–44.5 g kg −1 (trees), while for P the ranges were 3.26–7.04 g mg −1 (shrubs) and 3.58–6.76 g mg −1 (trees). Dry matter degradation characteristics differed significantly among shrubs and trees; ranges for shrubs were: soluble fraction ( a ), 128–185; degradable fraction ( b ), 664–703; potential degradability ( PD ), 793–857, as g kg −1 ; rate of degradation ( c ), 0.0241–0.0308 as % h −1 while for trees ranges were: ( a ), 139–160; ( b ), 651–826; ( PD ), 824–970, as g kg −1 ; ( c ), 0.0143–0.0227 as % h −1 . Based on fodder production and quality, C. arenarium, D. strigillosum, D. velutinum, B. monandra, I. edulis , and A. niopoides were the most promising species for the development of animal agroforestry technologies in the west African forest-savanna transition zone and similar environments in the tropics.

Journal

Agroforestry Systems – Springer Journals

Published: Mar 1, 2000

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