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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.
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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.
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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).
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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.
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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.
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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.
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Acid detergent fibre (ADF) values also decreased in bagasse and rice straw fermented by all the fungi.P.
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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.
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Dry season edible forage samples were analyzed for concentrations of crude protein (CP), neutral detergent fibre (NDF), acid detergent fibre (NDF), acid detergent lignin (ADL), cellulose (CL), soluble phenolics (SOPH) and proanthocyanidins (PAs).
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The neutral detergent fibre (NDF) ranged from 220 to 694 g kg-1 DM, while acid detergent fibre (ADF) ranged from 146 to 523 g kg-1 DM.
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| | The aim of this project was to examine the changes in chemical composition, in vitro organic matter digestibility and cell wall digestibility of variousmorphological fractions of wheat (Taestivum cv. Millewa) from its growth to senescent periods, under normal paddock conditions. Dry matter (DM), neutral detergent fibre (NDF), acid detergent fibre (ADF), neutral detergent soluble (NDS), cellulose, hemicellulose, lignin, total ash and in vitro organic matter digestibility (IVOMD) were determined. At the same ... | | 本研究为了考查在正常生长发育条件下,从植株生长期到枯萎时小麦秸秆各主要形态部分的化学成分和体外有机物质消化率的变化特性。分别测定了干物质(DM)、中性洗涤纤维(NDF)、酸性洗涤纤维(ADF)、细胞可溶性物质(NDS)、纤维素、半纤维素、木质素和总灰分以及体外有机物质消化率(IVOMD)等营养学指标。同时,在小麦成熟期,采集16个不同品种的麦秆,测定上述营养指标,以比较分析。 结果证明,随着植株的逐渐成熟,NDF、纤维素和木质素的含量有所增加,而NDS和半纤维素则有所下降。植株开花期,是秸秆营养物质变化的关键(临界)期,此时植株营养物质从茎秆迅速转运到籽实中去。植株三形态部分的NDS的积累和代谢特性与IVOMD和细胞可溶性物质消化率(NDSD)有关,茎秆和叶鞘的IVOMD值与NDSD的下降呈极显著相关(Y=1.29x,r=0.99),同时叶片的IVOMD值与NDSD的下降也呈极显著相关(Y=1.06X-6.6,r=0.98)。 研究认为,遗传、环境和管理诸因素,通过对(1)NDS的积累和细胞壁的质和量;(2)IVOMD值的变化;(3)茎秆... | | 文摘来源 | | Data analyses indicated that cell wall constituent of Agropyron deseotorum(Y)with age in half months (X)showed a significant positive correlation(r=0.8609 P<0.01),the regression equation is Y=48.45 +1.91×(P<0.01 r~2=0.74).The cellular content of Agropgron deseotorum(Y)with age in half months (X)showed a significant negative correlation(r=-0.8586 P<0.01),the regression equation is Y= 37.67-1.78×(P<0.01 r~2=0.74) .The cell wall constituent of Bromus inermis(Y)with age in half months(X)showed a singnificant po... | | 测试了沙生冰草(Agropyroncristatum deseotorum)、无芒雀麦(Bfomus ynermis)不同株龄的细胞壁、细胞内容物含量。沙生冰草细胞壁含量(y)与株龄(x)(半月龄,下同)间呈非常显著正相关(r=0.8609 P<0.01),其线性回归方程式为:y=48.45+1.91x(P<0.01 r~2=0.74),其细胞内容物含量(y)与株龄(x)间呈非常显著负相关(r=-0.8586 P<0.01).其线性回归方程式为:y=37.67-1.78x(P<0.01 r~2=0.74)。无芒雀麦细胞壁含量(y)与株龄(x)间呈显著正相关(r=0.6768 P<0.05),其线性回归方程式为:y=53.88+0.83x(P<0.05 r~2=0.46),其细胞内容物含量(y)与株龄(x)问呈非常显著负相关(r=-0.9524 p<0.01),其线性回归方程式为:y=33.80-1.27x(P<0.01 r~2=0.91)。用株龄变量估测了酸性洗涤纤维、纤维素、木质素、粗蛋白、初水分含量的回归方程式。 | | 文摘来源 | | The hybrids between L.multiflorum and F.arundinacea and their progenies'characteristic of producing herbage and quality were studied from the fall of 1992 to the fall of 1993.The result showed that the plant of F1 hybrid grew slowly and the tillering ability was bad,the yield of fresh grasses and dry matters was extremely significant lower than L.multiflorum(P<0.01)but slightly higher than F,arundinacea,The quality of feed was intermediate between parents. Plants of the strains 891 and 892 of hybrid prog... | | 1992~1993年对多花黑麦草和苇状羊茅属间杂种及其后代的产草性能及品质进行了研究,结果表明:杂种F1植株生长慢,分蘖力差,鲜草及干物质产量极显著低于多花黑麦草(P<0.01),略高于苇状羊茅。饲草品质介于双亲之间。杂种后代选系891、892植株生长较快,分蘖力强,产草量最高,越夏前干物质产量分别为8399.55kg/hm2和9346.20kg/hm2。其饲草品质也较好,粗蛋白含量高,分别为12.80%和13.34%;酸性洗涤纤维及酸性洗涤木质素含量低。这表明杂种F1结合有双亲优良的产草性状及品质性状,是极好的育种材料,选系可用于替代生产上栽培的黑麦草。 | | 文摘来源 | |   | | << 更多相关文摘 |
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