Fodder potential for goats of twenty woody species in Trujillo state, Venezuela.
2009
Using the main components (ACP) and automatic classification (ACA)
analysis, the variations of the fodder potential of twenty species in
Trujillo state, Venezuela, according to the propagation method (stake
and botanical seed) were studied. The production of edible biomass, the
relative acceptability by goats and the chemical composition were
evaluated. Independently of the propagation form, a high variability
for the first three components were detected (64.3-72.8%). The fibre
neuter detergent, ash, and phenolic fraction showed the biggest
fluctuations among the species. The edible biomass production, proteic
and terpenoids levels and preferences showed low inter-specific
variations. The species with better integral results were Morus alba ,
Chlorophora tinctoria , Cordia alba , Pentaclethra macroloba,
Hibiscus rosa-sinensis , Wedelia aff. caracasana , Gliricidia sepium
, and Guazuma ulmifolia . However, by the fodder potential index,
Pithecellobium pedicellare and Bauhinia cumanensis were identified
as promissory. Trichantera gigantea , Tithonia diversifolia ,
Capparis odoratissima , Moringa oleifera , and Leucaena leucocephala exhibited an intermediate potential. However, the biomass of Acacia
spp., Azadirachta indica , Bulnesia arborea , Cassia alata , and
Samanea saman presented little use feasibility as forage. The
production of edible biomass and the acceptability constituted the most
relevant variables to estimate the fodder potential. In the evaluated
species the goat acceptability related with the fibre (P<0.05) and
terpenoids (P<0.01) levels. No relationship among acceptability and
phenolic compounds level were observed.
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