A5002235966- Ruminant Nutrition and Digestive Physiology
- Agronomic Practices and Intercropping Systems
- Genetic and phenotypic traits in livestock
- Soil Carbon and Nitrogen Dynamics
- Spectroscopy and Chemometric Analyses
- Bioenergy crop production and management
- Botany and Plant Ecology Studies
- Turfgrass Adaptation and Management
- Animal Nutrition and Physiology
- Botanical Research and Chemistry
- Effects of Environmental Stressors on Livestock
- Meat and Animal Product Quality
- Reproductive Physiology in Livestock
- Spectroscopy Techniques in Biomedical and Chemical Research
- Microbial Metabolites in Food Biotechnology
- Plant and fungal interactions
- Crop Yield and Soil Fertility
- Agroforestry and silvopastoral systems
- Agricultural Productivity and Crop Improvement
- Animal Behavior and Welfare Studies
- Agriculture, Plant Science, Crop Management
- Wheat and Barley Genetics and Pathology
- Rabbits: Nutrition, Reproduction, Health
- Biofuel production and bioconversion
- Plant-Microbe Interactions and Immunity
Aberystwyth University
2015-2025
Institute of Biological, Environmental and Rural Sciences
2015-2025
Pennine Care NHS Foundation Trust
2022
Aarhus University
2010
Okehampton Hospital
2010
Newcastle University
2008
Institute of Grassland Research
1992
Lancaster University
1989
We demonstrate that set-dependent multiplicative scatter correction and set-independent standard normal variate transformations of NIR spectra are linearly related as theoretically expected. It is shown the mean deviation set-mean-spectrum together with correlation coefficient between each individual spectrum required to link these two transformations. through three quantities, set-dependency incorporated into derived by application correction. MSC SNV alternative approaches reduce particle...
The use of rotations and minimum tillage in agriculture can permit more sustainable production through increasing soil organic matter nutrients, breaking pathogen lifecycles. Soil fungal populations make an important physical chemical contribution to soil. For example, mycorrhizal species are plant nutrition but often overlooked when considering management practices for efficient function. We undertook DNA metabarcoding (Ion Torrent) using novel PCR primers high-throughput sequencing the D1...
Maintaining soil biodiversity and function is key to maintaining health, nutrient cycling decomposition. Different forage species have variable concentrations of essential nutrients rooting patterns, potentially affecting biology soil–plant–animal interactions. Our study compared the effect growing different crops on faunal diversity abundance. Plots chicory (Cichorium intybus), red clover (Trifolium pratense), white repens) or perennial ryegrass (Lolium perenne) were established in 2009...
The soil ecosystem provides a habitat for numerous and diverse fauna which hold pivotal role driving decomposition nutrient cycling. However, changing land use or management can alter population dynamics, biology within the system. implementation of different field improve fertility, whilst natural variations in plant species growth root system may create changes to structure properties. All legacy effect some extent; environment either physically through remaining residues. An experiment...
Summary Enhancement of plant species diversity is often an objective in grassland management for wildlife conservation. Such regimes may also change the composition soil seed banks, which themselves affect future vegetation change. We compared banks and from a long‐term meadow trial series traditionally managed species‐rich meadows northern England, UK. The used three hay‐cut date treatments (14 June, 21 July 1 September), two fertilizer [no or 25 kg nitrogen ha −1 plus 12·5 phosphate (P 2 O...
Abstract We describe a candidate gene approach for associating SNPs with variation in flowering time and water-soluble carbohydrate (WSC) content other quality traits the temperate forage grass species Lolium perenne. Three analysis methods were used, which took significant population structure into account. First, linear mixed model was used enabling structured association to be incorporated nine populations identified as random variables. Second, within-population of variance performed....
Summary Perennial ryegrass ( L olium perenne .) is the most important forage crop in temperate livestock agriculture. Its nutritional quality has significant impact on of meat and milk for human consumption. Evidence suggests that higher energy content can assist reducing greenhouse gas emissions from ruminants. Increasing fatty acid (especially α‐linolenic acid, an omega‐3 acid) may thus contribute to better forage, but little known about genetic basis variation this trait. To end,...
Miscanthus is a genus of perennial rhizomatous grasses with C4 photosynthesis which indigenous in wide geographic range Asian climates. The sterile clone, × giganteus (M. giganteus), naturally occurring interspecific hybrid that has been used commercially Europe for biomass production over decade. Although, M. many outstanding performance characteristics including high yields and low nutrient offtakes, commercial expansion limited by cloning rates, slow establishment to mature yield, frost...
SUMMARY Nonspecific penetration resistance due to papilla formation and race‐specific hypersensitive response (HR) can both contribute Blumeria graminis in barley. Some effective papillae form even the susceptible cv. Pallas isoline P01 carries additional Mla1 allele conditioning HR. The NO‐specific stain DAF‐2DA (4,5‐diaminofluorescein‐2‐diacetate) revealed a transient NO generation burst commencing 10 h after inoculation (h.a.i.) close association with sites of barley lines. In production...
The Arabidopsis (Arabidopsis thaliana) FLOWERING LOCUS T (FT) gene and its orthologs in other plant species (e.g. rice [Oryza sativa] OsFTL2/Hd3a) have an established role the photoperiodic induction of flowering response. genomic phenotypic variations associated with perennial ryegrass (Lolium perenne) ortholog FT, designated LpFT3, was assessed a diverse collection nine European germplasm populations, which together constituted association panel 864 plants. Sequencing genotyping series...
An evaluation of general models that describe gas production profiles is presented. The are derived from first principles by considering a simple three-pool scheme and permit the extent ruminal degradation to be calculated, as described in companion paper. evaluated were generalized Mitscherlich, Michaelis–Menten, Gompertz, logistic. Five sets data consisting 216 curves, obtained using wide range feeds (including straw, hay, silage, grain various byproducts), analysed study performance these...
The extent to which the quality and yield of plant varieties are influenced by environment is important for their successful uptake end users particularly as climatic fluctuations resulting in environments that highly variable from one growing season another. genotype-by-environment interaction (GEI) milling was studied using four winter oat multi-locational trials over 4 years U.K. Significant differences across 22 were found between physical grain composition well yield, with having a...
Abstract Scatter corrections are commonly applied to refine near‐infrared (NIR) spectra. The aim of this study is assess the impact measurement errors when using ordinary least squares (OLS) for multiplicative scatter correction (MSC). Any attached set‐mean spectrum may attenuate OLS slope and that in turn will affect estimate intercept adjustment spectra MSC methods mitigate scattering. A corrected be used instead prevent problem, although approach on final outcome depend relative size...
The high establishment costs of Miscanthus by clonal propagation are a barrier to widespread deployment. Direct sowing is the cheapest method, but limited field trials have given generally poor results. Miscanthus, perennial grass with C4 photosynthesis has tropical origins, found growing both at latitudes (>40°) and altitudes (>1000 m) in Asia. In this paper, we investigate if significant variation thermal requirements for germination exist 10 sinensis half-sib families compare these...
Grasslands globally deliver many ecosystem services, including water management to alleviate flood risk reduction. Two replicated field experiments were conducted study how agricultural forage species with diverse rooting systems, sown as single species, affected rooting, soil structure and earthworm populations, consequently infiltration understand they each might influence from grasslands. Experiment One showed soils under red clover (Trifolium pratense), white repens) chicory (Cichorium...
Multiplicative scatter correction (MSC) pre-treatment of NIR spectra adds spectral trend deviations from its average value to the set (inversely interpolated smooth estimate). This means any components original spectrum are carried over into calculated new MSC spectrum. Use ordinary least squares regression method can lead slope attenuation.
Abstract The effects of offering ensiled red clover ( Trifolium pratense ), lucerne Medicago sativa pea Pisum sativum kale Brassica oleracea ) and hybrid ryegrass Lolium hybridicum on the productivity nutrient‐use efficiency lambs were investigated. Forages cut, wilted for 24 h as round bales. A hundred Suffolk‐cross lambs, aged 8 months, offered grass silage during a 5‐week standardization period then group‐housed 14 d ad libitum access to treatment silage. For measurement period, split...
An experiment investigated whether the inclusion of chicory (Cichorium intybus) in swards grazed by beef steers altered their performance, carcass characteristics or parasitism when compared to grazing perennial ryegrass (Lolium perenne). Triplicate 2-ha plots were established with a chicory/ryegrass mix control. Forty-eight Belgian Blue-cross used first season and core group (n = 36) retained for finishing second season. The comprised standardisation measurement period. During...
Alternative forages can be used to provide valuable home-grown feed for ruminant livestock. Utilising these different could affect the manure value and implications of incorporating into farming systems, needs better understood. An experiment tested hypothesis that applying slurries from ruminants, fed ensiled red clover (Trifolium pratense), lucerne (Medicago sativa) or kale (Brassica oleracea) would improve yield hybrid ryegrass (Lolium hybridicum), compared with ruminants ryegrass,...
Abstract The increasing frequency of droughts and floods on grasslands, due to climate change, increases the risk soil compaction. Soil compaction affects both forage productivity. Differing grasses may counteract some effects differences in their root architecture ontogeny. To compare resilience compaction, three Festulolium (ryegrass fescue species’ hybrids) grass cultivars comprising differing ontogeny were compared replicated field plots, together with a ryegrass tall variety as...