The degradability of dry matter(DM),neutral detergent fiber(NDF),acid detergent fiber(ADF) at 48 h and 72 h were 80.67 %,72.47 %,61.44 % and 85.51 %,78.96 %,74.52 % respectively.
effective degradability of acid detergent fiber of groupⅠ and groupⅡ were 29.76%(P<0.05) and 26.77%(P<0.05) higher than that of control group, respectively, but groupⅢ was lower 7.63%(P>0.05).
The expartment was conducted to determine the degradation rate of the dry matter (DM),crude protein (CP),neutral detergent fiber (NDF) and acid detergent fiber (ADF) about compound feed and mixed pausture eaten by 35kg tan-sheep in rumen at 6h,12h,24h,36h,48h,and 72h with nylon bags of law.
An recombinant inbred lines (RIL) BC1F5 population derived from Dongxiang wild rice (DY) and Xieqingzao B (XB) was employed to study the genetic basis of several components of cell walls, e.g. acid detergent fiber (ADF), neutral detergent fiber (NDF), and acid detergent lignin (ADL).
Content of neutral detergent fiber (NDF)and acid detergent fiber (ADF) in dry matter increased gradually from 42.59%,32.03% at the seedling stage to 61.50%, 46.68% at the podding stage,respectively;
The resultsshowed that the efficiency of synthesis of microbial protein(MCP)in stomach was 9.80±0.59g/100g OMD and thedigestibility of acid detergent fibre(ADF)and organic matter(OM)in stomach were 38.79%±1.35% and 49.26%±1.72% respectively.
When dietary xylan content increased from 4. 19% to 8.44%, nutrient digestibilities were significantly decreased. Digestibilities of crude protein, organic matter, calcium, phosphorus, acid detergent fibre(ADF) and energy decreased by 6.21%, 4.59%, 26.38%, 11.54%, 27.84% and 5.50%, respectively.
Results showed that the correlation coefficients of calibration(R~2) were 0.95,0.90,0.86,0.91,0.86,0.95 and 0.90 for crude protein,neutral detergent fibre,acid detergent fibre,hemicellulose,dry matter,crude ash and acid detergent lignin respectively;
The height and the dried weight of it sprayed with the optimal concentration of 2×10-4mmol·L-1 were increased 6.23% and 4.61%,and the contents of neutral detergent fibre(NDF),acid detergent fibre(ADF) and crude protein(CP) were increased 4.52%,9.76% and 32.75%,respectively,of the control.
The comparison of estimates for crude fibre, neutral detergent fibre and acid detergent fibre in the prediction of digestible energy values of pig diets
Digestibility of meat rabbits to main nutrient content of wedelia chinensis had been determined, digestibility of CP、 EE, Ash, Ca, P, hemicellulose, NDF and ADF was 68.72%, 54.27%, 2.65%, 72.30%, 89.80%, 77.39%, 52.95% and 9.38% respectively.
And the digestibility of dry matter, organic matter, nitrogen and ADF of pellet were respectively higher 3.85%(p>0.05), 0.65%(p>0.05), 0.05%(P>0.05), 12.90% ( P>0.05 ) .
the CP,EE and Ca content of alfalfa hay treated by K_2CO_3 were significant higher than that of alfalfa hay processed by conventional method (P＜0.05),and NDF, ADF content were lower than that by conventional method (P＜0.05).
There was a significant regression equation between rumen contents ADF (acid detergent fiber) and fecal ADF concentrations, as well as ADL (acid detergent lignin) concentrations.
A recombinant inbred line maize population was used to map quantitative trait loci (QTL) for neutral detergent fiber (NDF), acid detergent fiber (ADF), and acid detergent lignin (ADL) of leaf-sheath and stalk tissues.
Samples were harvested from plots at two locations in 1998 and one in 1999 and assayed for neutral detergent fiber (NDF), acid detergent fiber (ADF) and acid detergent lignin (ADL).
As expected, acid detergent fiber (ADF) and neutral detergent fiber (NDF) values increased with increasing levels of bran and the changes in both cultivars were similar.
Moisture, oil, fiber (as acid detergent fiber) and protein from solid samples of the seeds as mentioned, along with those of soybean (Glycine max), already analyzed by NIR and for serving as control for the variability of the method, were studied.
The methods used were the gravimetric (neutral and acid detergent fibre) method, the enzymatic-gravimetric method for (insoluble and soluble fibre and the spectrophotometric method for pectic substances.
Plant feeding deterrents, such as, acid detergent fibre (ADF) and the inherent nature of the fruits ofAzadirachta indica, when consumed in large quantities to act as a purgative, could cause gastrointestinal upsets and diarrhoea.
In our experiment four 42 to 68kg Duroc×Taihu crossbred barrows were fitted with fistulas in the stomach and the caecum. For each barrow a spun nylon bag filled with a sample of ground rice straw was put in the cavity of the stomach or the caecum for 24 hr. and the changes in the contents of ADF, cellulose and lignin were measured with the improved Van Soest analytic method.The average rates of the disappearance (%) of ADF and cellulose in th gastric sample during the period of basal ration were—1.59 and 0....
Rice straw was ammoniated by evaporation of 30% NH4OH solution under plastic coverage for 1-1. 5 month. The crude protein content of the straws increased from 5.4% to 8.46% after ammoniation. The in vitro DMD, OMD for the treated and untreated straw were 49.51%, 50.03% and 41.73%,41.09% respectively.
Three water buffalo cows (two with rumen and abomasum cannula and one with rumen cannula only) under barn feeding condition in winter were used in a series of experiment. Treatment of diet in three periods were as follows: (Ⅰ)rice straw only, (Ⅱ) Ⅰ +NPN, (Ⅲ) Ⅰ +Ⅱ+corn flour. Amount of OM intake was 3% and 21% higher for diet Ⅱ and Ⅲ than the value obtained from diet Ⅰ.Diets Ⅱ and Ⅲ increased the ruminal TVFA, NH_3-N, concentration. The amount and efficiency of MP synthesis were increased from 174.24g, 4.14 ...
酸性洗涤纤维
acid detergent fiber
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