1、Table 1 : Chemical composition (g / kg) of, organic matter (OM), Neutral Detergent Fibre (NDF), Acid Detergent Fibre (ADF) and crude protein (CP) of the diets given in lambs growth trial. The diets D90, D70, D60 and D50 were composed of fresh Digitaria decumbens grass at 14, 28, 42 and 56 days of ag
2、e of regrowth respectively.,Table 2. Chemical composition (g / kg) of, organic matter (OM), Neutral Detergent Fibre (NDF), Acid Detergent Fibre (ADF) and crude protein (CP) of the diets given in rams digestion trial. The diets D120, D110, D90 and D60 were composed of fresh Digitaria decumbens grass
3、at 14, 28, 42 and 56 days of age of regrowth respectively.,Table 3. Effect of defaunation on intake, growth and feed conversion efficiency of lambs consuming diets composed of fresh Digitaria decumbens grass harvested at 14, 28, 42 and 56 days of age of regrowth. The diets were formulated to provide
4、 4 protein / energy ratios (PDIN / UF) of 90, 70, 60 and 50 on diet D90 (14 days of regrowth), D70 (28 days of regrowth), D60 (42 days of regrowth) and D50 (56 days of regrowth) respectively.,Table 4. Effect of defaunation on dry matter intake and apparent digestibility in the total tract of organic
5、 matter (OM), cell wall (NDF) and crude protein (CP) of rams consuming diets composed of fresh Digitaria decumbens grass harvested at 14, 28, 42 and 56 days of age of regrowth. The diets were formulated to provide 4 protein / energy ratios (PDIN / UF) of 120, 110, 90 and 60 on diet D 120 (14 days of
6、 regrowth), D110 (28 days of regrowth), D90 (42 days of regrowth) and D60 (56 days of regrowth) respectively.,Table 5 : Effect of defaunation on nitrogen intake, duodenal nitrogen flow, microbial synthesis efficiency, faecal and urinary excretion of rams consuming diets composed of fresh Digitaria d
7、ecumbens grass harvested at 14, 28, 42 and 56 days of age of regrowth. The diets were formulated to provide 4 protein / energy ratios (PDIN / UF) of 120, 110, 90 and 60 on diet D120 (14 days of regrowth), D110 (28 days of regrowth), D90 (42 days of regrowth) and D60 (56 days of regrowth) respectivel
8、y.,Table 1 Chemical composition (g / kg) of, organic matter (OM), Neutral Detergent Fibre (NDF), Acid Detergent Fibre (ADF) and crude protein (CP) of the diets. The diets D120, D110, D90 and D60 were composed of fresh Digitaria decumbens grass at 14, 28, 42 and 56 days of age of regrowth respectivel
9、y.,Table 2 : Effect of defaunation on some cellulolytic bacteria, in the rumen of rams consuming 4 diets. The diets D120, D110, D90 and D60 were composed of fresh Digitaria decumbens grass at 14, 28, 42 and 56 days of age of regrowth respectively.,Table 3 : Effect of defaunation on enzymatic activit
10、y (polysaccharidases) in rumen solid-associated microorganisms, in rams consuming 4 diets. The diets D120, D110, D90 and D60 were composed of fresh Digitaria decumbens grass at 14, 28, 42 and 56 days of age of regrowth respectively.,Table 4: Effect of defaunation on enzymatic activity (glycosidases)
11、 in rumen solid-associated microorganisms, in rams consuming 4 diets. The diets D120, D110, D90 and D60 were composed of fresh Digitaria decumbens grass at 14, 28, 42 and 56 days of age of regrowth respectively.,Table 5: Effect of defaunation on in situ dry matter (DM) degradation, and Ammonia (NH3)
12、 in the rumen of rams consuming 4 diets. The diets D120, D110, D90 and D60 were composed of fresh Digitaria decumbens grass at 14, 28, 42 and 56 days of age of regrowth respectively.,Table 6: Effect of defaunation on pH and Volatile Fatty Acids (VFA), in the rumen of rams consuming 4 diets. The diet
13、s D120, D110, D90 and D60 were composed of fresh Digitaria decumbens grass at 14, 28, 42 and 56 days of age of regrowth respectively,Figure 1 : Effets de la dfaunation sur la croissance (GMQ, g/j) dagneaux en fonction de la teneur en azote/nergie (g PDIN/UF) de rations composes de fourrage (Digitari
14、a decumbens) sans concentr, ou avec concentr (mlange de mais et tourteau de soja). Moyennes ajustes des deux tudes exprimentales.,Figure 2 : Effets de la dfaunation sur la croissance (GMQ, g/%PV) en fonction des quantits de MS ingres (MSI, %PV). Diffrences entre dfauns-fauns. Comparaison de nos rsul
15、tas exprimentaux avec ceux de la synthse bibliographique des donnes de la litrature .,PDIN / UF,Figure 3 : Effet de la dfaunation sur les flux duodnaux dAzote (non ammoniacal) gN/J. Comparaison entre les points exprimentaux () et les donnes de la synthse bibliographique ().,Figure 4 : Effet de la df
16、aunation sur les concentration en ammoniaque du rumen (NNH3). Comparaison des points exprimentaux () avec les donnes de la synthse bibliographique(),Y = 3.3 + 1.03X R2 = 96.5 %, n=30 P0.00,Figure 5 : Effet de la dfaunation sur l excrtion d azote urinaire (gN/j) selon les quantits d azote ingres. Dif
17、frence entre les animaux dfaunsfauns. Comparaison des points exprimentaux () avec les donnes de la synthse bibliographique (),Figure 6 : Effet de la dfaunation sur la digestibilit ruminale des fibres (DrNDF). Comparaison des points exprimentaux () avec les donnes de la synthse bibliographique(),Y =
18、-0.06 X n=12, R2 = 0.57, rsd =1.7 , P0.001,Y = 0.91 X ( n=18 R2 = 0.98, rsd= 6.7, P0.001),Figure 7 : Effet de la dfaunation sur le temps de rtention des particules (h) selon les quantits de MS ingres (MSI%PV). Diffrence entre les animaux dfaunsfauns. Comparaison des points exprimentaux () avec les donnes de la synthse bibliographique(),Figure 8 : Effet de la dfaunation sur l indice de consommation (MS) selon la croissance (GMQ %PV). Diffrence entre les animaux dfaunsfauns. Comparaison des points exprimentaux () avec les donnes de la synthse bibliographique ().,
