Phenology and nutritive value of the foliage of some forage tree species of Caatinga.
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The nutritive value of the tree foliage varied according to the phenologic phase, being higher at the vegetative stage, when the forage production is also at its high. The total tanin content may not be an intake restrainer for caatinga forage trees, while high lignin percentage reduces digestibility. Caesalpinia, bracteosa and Bauhinia cheilantha are the best selections for hay production among the studied forage trees of Caatinga. Table 1. Mean dry matter and crude protein content of caatinga forage trees, according to their yearly phoenologic phases of vegetative (VEG), flowering (FLO), fruiting (FRU) and dormancy (DOR), in the 1993-1995 period. Sobral, Ceará, Brazil. Table 2. Mean lignin and total tanin content of caatinga forage trees, according to their yearly phoenologic phases of vegetative (VEG), flowering (FLO), fruiting (FRU) and dormancy (DOR), in the 1993-1995 period. Sobral, Ceará, Brazil. Table 3. Mean in vitro dry matter digestibility (%) of caatinga forage trees, according to their yearly phoenologic cycle, in the 1993-1995 period. Sobral, Ceará, Brazil.
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Brasil, Ceara, Folhagem, Browse plants, Foliage, Forage shrubs, Planta forrageira, Caatinga, Valor nutritivo, Fenologia, Digestibilidade, Alimento para animal, Nutritive value, Phenology, Digestibility, Animal feeding, Brazil, Semiarid soils