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Sixteen sweet potato varieties were evaluated with respect to the biomass yield of the leaves, stems and tubers under different leaf harvesting intervals and defoliation techniques with the aim of selecting the best varieties for forage production. The biomass yields of leaves, stems and tubers were found to vary according to variety, season and defoliation technique. Sweet potato leaves can be used for feeding pigs in fresh, dry and ensiled forms. Sweet potato leaves are high in protein content compared to other protein-rich forages. Lysine is the first limiting amino acid. Growing pigs fed…mehr

Produktbeschreibung
Sixteen sweet potato varieties were evaluated with
respect to the biomass yield of the leaves, stems and
tubers under different leaf harvesting intervals and
defoliation techniques with the aim of selecting the
best varieties for forage production. The biomass
yields of leaves, stems and tubers were found to vary
according to variety, season and defoliation
technique. Sweet potato leaves can be used for
feeding pigs in fresh, dry and ensiled forms. Sweet
potato leaves are high in protein content compared to
other protein-rich forages. Lysine is the first
limiting amino acid. Growing pigs fed sweet potato
leaves with addition of synthetic lysine had daily
live-weight gains which was similar to that of pigs
fed fish meal as the protein source.
The study in this book is concluded that Sweet potato
leaves can be considered as a potentially valuable
protein source for pigs under small farm conditions.
Autorenporträt
Le Van An born in 1961, obtained the Bachelor degree on
Animal Sciences from University of Agriculture No. 2 of Vietnam
in 1983, the Master and PhD. degrees on Animal Sciences from
Swedish University of Agricultural Sciences in 1999 and 2004,
respectively. Dr. An is now working at Hue University, Vietnam.