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| 1 | Quantitative analysis of ruminal methanogenic microbial populations in beef cattle divergent in phenotypic residual feed intake(RFI)offered contrasting diets显示文摘Background:Methane(CH_4) emissions in cattle are an undesirable end product of rumen methanogenic fermentative activity as they are associated not only with negative environmental impacts but also with reduced host feed efficiency.The aim of this study was to quantify total and specific rumen microbial methanogenic populations in beef cattle divergently selected for residual feed intake(RFI) while offered(i) a low energy high forage(HF) diet followed by(ii) a high energy low forage(LF) diet.Ruminal fluid was collected from 14 high(H)and 14 low(L) RFI animals across both dietary periods.Quantitative real time PCR(qRT-PCR) analysis was conducted to quantify the abundance of total and specific rumen methanogenic microbes.Spearman correlation analysis was used to investigate the association between the relative abundance of methanogens and animal performance,rumen fermentation variables and diet digestibility.Results:Abundance of methanogens,did not differ between RFI phenotypes.However,relative abundance of total and specific methanogen species was affected(P< 0.05) by diet type,with greater abundance observed while animals were offered the LF compared to the HF diet.Conclusions:These findings suggest that differences in abundance of specific rumen methanogen species may not contribute to variation in CH_4 emissions between efficient and inefficient animals,however dietary manipulation can influence the abundance of total and specific methanogen species. | Ciara A Carberry David A Kenny Alan K Kelly Sinead M Waters | 2014 | Journal of Animal Science and Biotechnology2014，5，4： | 6 |
| 2 | Celangilin:a nonalkaloids insect antifeedant from Chinese bittersweet,Celastrus angulantus显示文摘 | Wakabayashi N Wu W J Waters R M | 1988 | J Nat Prod1988，51，3： | 2 |
| 3 | An advanced signal processing technique for impedance cardiography显示文摘 | Wang X Sun H H Van de Water J M | 1995 | IEEE Trans Biomed Eng1995，42，2： | 2 |
| 4 | Treating to New Targets (TNT) Study: does lowering low-density lipoprotein cholesterol levels below currently recommended guidelines yield incremental clinical benefit?显示文摘 | David D Waters John R Guyton David M Herrington Mary P McGowan Nanette K Wenger Charles Shear | 2004 | The American Journal of Cardiology2004，，2： | 2 |
| 5 | Aggregate hierarchy in soils显示文摘 | Oades J M Waters A G | 1991 | Australia Journal of Soil Science1991，29，： | 2 |
| 6 | A Study of Spatial Variability on Aquifer Hydraulic Conductivity K显示文摘A structural analysis of K of an aquifer system in the study area is presented, and the main direction and degree of the variability of K are found by using the unstationary regionalized variable theory of geostatistics. Optimal estimation of K has been made by universal kriging method (U K M ). Both spatial variability distribution map and division map of K are given. | Chaolunbagen, Hetai and Liu TingxiDept. of Water Conservancy, Inner M ongolia College of Agriculture and Animal Husbandry, Hohhot, Nei M ongol Shang Ruoyun | 1995 | Acta Geologica Sinica(English Edition)1995，69，2： | 2 |
| 7 | A conformationally sensitive GHR antibody : impact on GH signaling and GHR proteolysis显示文摘 | Jiang J Wang X He K Li X Chen C M Sayeski P P Waters M J Frank S J | 2004 | Mol Endocrinol2004，18，12： | 1 |
| 8 | Celangulin: A nonalkaloidal insect antifeedant from Chinese bittersweet, celastrus angulatus显示文摘 | Wakabayashi N Wu W J Waters R M | 1988 | J Nat Prod1988，51，3： | 1 |
| 9 | Cellular biomechanics in the lung显示文摘 | Waters Christopher M Sporn Peter H S Liu M | 2002 | Am J Physiol Lung Cell Mol Physiol2002，283，3： | 1 |
| 10 | Cryptococcal disease and HIV infection显示文摘 | Waters L Nelson M | 2005 | Expert Opin Pharmacother2005，15，15： | 1 |
| 11 | On the force transmissibility of a vibration i- solator with quasi-zero-stiffness显示文摘 | CarreUa A Brennan M J Kovacic I Waters T P | 2009 | Journal of Sound and Vibration2009，322，45： | 1 |
| 12 | A study of a nonlinear vibration isolator with a quasi-zero stiffness characteristic 显示文摘 | Kovacic I Brennan M J Waters T P | 2008 | Journal of Sound and Vibration2008，315，3： | 1 |
| 13 | Aggregate hierarchy in soils显示文摘 | Oades J M Waters A G | 1991 | Australian Journal of Soil Research1991，29，6： | 1 |
| 14 | oxidative stress: effect on antioxidant content in Triticum aestivum L leaves 显示文摘 | Bartoli CG Simontacchi M Tambussi Drought and watering -dependent E etal | 1999 | J Exp Bot1999，50，： | 1 |
| 15 | UV-Vis microspectroscopy: Probing the initial stages of supported metal oxide catalyst preparation显示文摘 | VAN DE WATER L G A BERGWERFF J A NIJHUIS T A DE JONG K P WECKHUYSEN B M | 2005 | J Am Chem Soc2005，127，14： | 1 |
| 16 | The PIN auxin efflux facilitator network control growth and patterning in Arabidopsis roots显示文摘 | BLILOU I XU T WILD WATER M | 2005 | Nature2005，，433： | 1 |
| 17 | Struc-ture of the C-terminal MA-3domain of the tumor sup-pressor protein PDCD4and characterization of its in-teraction with eIF4A显示文摘 | WATERS L C VEVERKA V BOHM M | 2007 | Oncogene2007，26，： | 1 |
| 18 | Evaluating genetic diversity associated with propagation-assisted restoration of American shad 显示文摘 | Brown B L Gunter T P Waters | 2000 | Conserv Biol2000，14，： | 1 |
| 19 | The concentrations and fate of linear alkylbenzene sulfonates in sludge amended soils显示文摘 | Holt M S Mathijis E Water J | 1989 | Water Resour1989，23，： | 1 |
| 20 | Extranuclear es- trogen receptor beta immunoreactivity is on doublecortin-con- taining cells in the adult and neonatal rat dentate gyms显示文摘 | Herriek S P Waters E M Drake C T | 2006 | Brain Res2006，1121，1： | 1 |
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