Search Results - "Dhanoa, M.S."

Statistical evaluation of mathematical models for microbial growth by López, S., Prieto, M., Dijkstra, J., Dhanoa, M.S., France, J.

“…The aim of this study was to evaluate the suitability of several mathematical functions for describing microbial growth curves. The nonlinear functions used…”
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Some methodological and analytical considerations regarding application of the gas production technique by López, S., Dhanoa, M.S., Dijkstra, J., Bannink, A., Kebreab, E., France, J.

“…The in vitro gas production technique is used widely in animal nutrition for feed evaluation and to study the kinetics of microbial fermentation processes in…”
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Impact on sward composition and stock performance of grazing Molinia-dominant grassland by Fraser, M.D., Theobald, V.J., Dhanoa, M.S., Davies, O.D.

“…► Utilisation of Molinia was greater on cattle- than sheep-grazed swards. ► Grazing had little impact on sward botanical composition regardless of stock type…”
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Alternatives to linear analysis of energy balance data from lactating dairy cows by Kebreab, E, France, J, Agnew, R E, Yan, T, Dhanoa, M S, Dijkstra, J, Beever, D E, Reynolds, C K

“…The current energy requirements system used in the United Kingdom for lactating dairy cows utilizes key parameters such as metabolizable energy intake (MEI) at…”
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Comparative analysis of gas production profiles obtained with buffalo and sheep ruminal fluid as the source of inoculum by Calabrò, S., López, S., Piccolo, V., Dijkstra, J., Dhanoa, M.S., France, J.

“…An in vitro study was conducted to investigate effects of inoculum source (i.e., sheep versus buffalo rumen fluid) on gas production profiles, and to evaluate…”
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A general compartmental model for interpreting gas production profiles by France, J., Lopez, S., Kebreab, E., Bannink, A., Dhanoa, M.S., Dijkstra, J.

“…Equations to describe gas production profiles, obtained using manual or automated systems for in vitro fermentation of ruminant feeds, are derived from first…”
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Effects of lactic acid bacteria in inoculants on changes in amino acid composition during ensilage of sterile and non‐sterile ryegrass by Winters, A.L, Cockburn, J.E, Dhanoa, M.S, Merry, R.J

“…A study was carried out on the changes occurring in the amino acid fraction of a hybrid ryegrass during ensilage in laboratory‐scale silos to help to establish…”
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A model to describe growth patterns of the mammary gland during pregnancy and lactation by Dijkstra, J, France, J, Dhanoa, M S, Maas, J A, Hanigan, M D, Rook, A J, Beever, D E

“…Extensive proliferation and death of cells in the mammary gland occur during pregnancy and lactation. In this study, a mechanistic model was developed that…”
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The contribution of cattle urine and dung to nitrous oxide emissions: Quantification of country specific emission factors and implications for national inventories by Chadwick, D.R., Cardenas, L.M., Dhanoa, M.S., Donovan, N., Misselbrook, T., Williams, J.R., Thorman, R.E., McGeough, K.L., Watson, C.J., Bell, M., Anthony, S.G., Rees, R.M.

“…Urine patches and dung pats from grazing livestock create hotspots for production and emission of the greenhouse gas, nitrous oxide (N2O), and represent a…”
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Environmental effects on seed yield and costs of temperate forages during regeneration by Hinton-Jones, M., Marshall, A.H., Thomas, I.D., Humphreys, M.O., Marum, P., Ševčíková, M., Šrámek, P., de Sousa, M.M.T., Nielsen, N. Chr, Dhanoa, M.S.

“…The genetic implications and economics of regenerating forage species in different environments was studied in a multi-site field experiment. Two accessions of…”
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A strategy for modelling heavy-tailed greenhouse gases (GHG) data using the generalised extreme value distribution: Are we overestimating GHG flux using the sample mean? by Dhanoa, M.S., Louro, A., Cardenas, L.M., Shepherd, A., Sanderson, R., López, S., France, J.

“…In this study, we draw up a strategy for analysis of greenhouse gas (GHG) field data. The distribution of GHG flux data generally exhibits excessive skewness…”
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Effect of the application of cattle urine with or without the nitrification inhibitor DCD, and dung on greenhouse gas emissions from a UK grassland soil by Cardenas, L.M., Misselbrook, T.M., Hodgson, C., Donovan, N., Gilhespy, S., Smith, K.A., Dhanoa, M.S., Chadwick, D.

“…•N2O EFs from urine deposition to grassland are larger if applied in spring.•Meta-analysis showed a significant effect of season and not of treatment on the…”
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Quantifying annual N₂O emission fluxes from grazed grassland under a range of inorganic fertiliser nitrogen inputs [Erratum: 2010 Aug. 15, v. 138, no. 3-4, p. 356] by Cardenas, L.M, Thorman, R, Ashlee, N, Butler, M, Chadwick, D, Chambers, B, Cuttle, S, Donovan, N, Kingston, H, Lane, S, Dhanoa, M.S, Scholefield, D

“…The objective of the present study was to measure emissions of N₂O from fertilized grazed grassland that can be used to add valuable information to the limited…”
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Estimating the extent of degradation of ruminant feeds from a description of their gas production profiles observed in vitro:derivation of models and other mathematical considerations by France, J., Dijkstra, J., Dhanoa, M. S., Lopez, S., Bannink, A.

“…Equations to describe gas production profiles, obtained using manual or automated systems for in vitro fermentation of ruminant feeds, were derived from first…”
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Rates of production of acetate, propionate, and butyrate in the rumen of lactating dairy cows given normal and low-roughage diets by Sutton, J D, Dhanoa, M S, Morant, S V, France, J, Napper, D J, Schuller, E

“…Five lactating dairy cows with a permanent cannula in the rumen were given (kg DM/d) a normal diet (7.8 concentrates, 5.1 hay) or a low-roughage (LR) diet…”
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Alternative upland grazing systems: Impacts on livestock performance and sward characteristics by Fraser, M.D., Vale, J.E., Dhanoa, M.S.

“…•We progressively altered elements within an upland grazing system.•Lamb productivity is improved if grazing by suckler cattle is introduced.•Grazing does not…”
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Alternative approaches to predicting methane emissions from dairy cows by Mills, J.A.N, Kebreab, E, Yates, C.M, Crompton, L.A, Cammell, S.B, Dhanoa, M.S, Agnew, R.E, France, J

“…Previous attempts to apply statistical models, which correlate nutrient intake with methane production, have been of limited value where predictions are…”
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Use of principal component analysis to investigate the origin of heptadecenoic and conjugated linoleic acids in milk by Fievez, V, Vlaeminck, B, Dhanoa, M S, Dewhurst, R J

“…The aim of this paper was the application of principal component analysis (PCA) 1) to elucidate mutual metabolic relationships between milk fatty acids (FA)…”
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A semi-automated in vitro gas production technique for ruminant feedstuff evaluation by Mauricio, Rogerio M, Mould, Fergus L, Dhanoa, Mewa S, Owen, Emyr, Channa, Kulwant S, Theodorou, Michael K

“…This technical note describes the Reading Pressure Technique (RPT) – an in vitro feed evaluation system based on a semi-automated gas production technique…”
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Assessment of nutritive value of cereal and legume straws based on chemical composition and in vitro digestibility by Lopez, S, Davies, D.R, Giraldez, F.J, Dhanoa, M.S, Dijkstra, J, France, J

“…The nutritive value of 17 straws was determined on the basis of their chemical composition, in vitro dry matter (DM) digestibility and rumen fermentation…”
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