Occurrence of digestive interactions in tree forage-based diets for sheep

The effect of browse level in the diet on the in vivo dry matter digestibility (DMD) in sheep and the DM degradation of peanut hay in the rumen of cattle-fed tree forage-based diets were investigated in order to detect the occurrence of digestive interactions between diet components. Selected browse...

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Bibliographic Details
Published in:Animal feed science and technology 1998-08, Vol.74 (1), p.63-78
Main Authors: Touré, S.Fall, Michalet-Doreau, B., Traoré, E., Friot, D., Richard, D.
Format: Article
Language:English
Subjects:
ACACIA ALBIDA
ADANSONIA
Biological and medical sciences
BROWSE PLANTS
CALOTROPIS PROCERA
DIGESTION DU RUMEN
DIGESTION RUMINAL
Digestive interactions
Feeding. Feeding behavior
Fundamental and applied biological sciences. Psychology
In vivo dry matter digestibility
INTERACCIONES NUTRIENTE NUTRIENTE
INTERACTION NUTRIMENT NUTRIMENT
NUTRIENT NUTRIENT INTERACTIONS
OVIN
OVINOS
PITHECELLOBIUM DULCE
PLANTAS DE RAMONEO
PLANTE D'ABROUTISSEMENT
RUMEN DIGESTION
Rumen DM degradation
SHEEP
Tropical regions
Vertebrates: anatomy and physiology, studies on body, several organs or systems
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Summary:The effect of browse level in the diet on the in vivo dry matter digestibility (DMD) in sheep and the DM degradation of peanut hay in the rumen of cattle-fed tree forage-based diets were investigated in order to detect the occurrence of digestive interactions between diet components. Selected browse species Acacia albida pods, Pithecellobium dulce, Adansonia digitata and Calotropis procera leaf samples were collected in the central regions of Senegal, sundried and stored in LNERV animal barns for in vivo trials. Classical in vivo balance trials were performed for each tree forage sample. The proportion of browse in the applied diet varied between 0 and 75% of DM. Regression and difference procedures were both tested to estimate the DMD of the browse component of the diet. DMD capacity in the rumen of three young Gobra bulls fed the browse-based diets was estimated by measurement of the in sacco dry matter degradation profile of a standard sample, peanut hay. For each sample, large variations were observed when the browse DMD was calculated by difference. Both total ration DMD and rumen DM degradation capacity were significantly ( p
ISSN:0377-8401
1873-2216
DOI:10.1016/S0377-8401(98)00127-8