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Browsing Gwyddorau Biolegol, Amgylcheddol a Gwledig / Biological, Environmental & Rural Sciences by Title

Browsing Gwyddorau Biolegol, Amgylcheddol a Gwledig / Biological, Environmental & Rural Sciences by Title

Now showing items 1174-1193 of 3219

Escherichia coli as a cause of mortality in piglets in the Royal Kingdom of Bhutan

Cork, S. C.; Moitra, N. D.; Halliwell, R. W.; Gurung, J. B. (2002)

IN 1967, a pig unit was established at Wangchutaba, near Thimphu, the capital of the Royal Kingdom of Bhutan. The principal objective of the pig unit was to produce and distribute robust young breeding pigs to farmers in ...
Establishing relative release kinetics of faecal indicator organisms from different faecal matrices

Hodgson, C. J.; Bulmer, N.; Chadwick, D. R.; Oliver, D. M.; Heathwaite, A. L.; Fish, R. D.; Winter, D. M. (2009-04-30)

A laboratory assay for comparative characterization of various faecal matrices with respect to faecal indicator organism (FIO) release using artificial rain water. Fresh sheep and beef-cattle faeces, dairy cattle slurry ...
The establishment of a silvopastoral national network experiment in the UK

Sibbald, A. R.; Hislop, A. M.; Eason, William R.; McAdam, J. H. (2001-09)

Silvopastoral agroforestry can satisfy some objectives required of European land-use systems: reduced agricultural production, increased timber production, increased product diversity and environmental enhancement. A ...
EST-derived SSR markers used as anchor loci for the construction of a consensus linkage map in ryegrass (Lolium spp.)

Studer, Bruno; Kölliker, Roland; Muylle, Hilde; Asp, Torben; Frei, Ursula C.; Roldán-Ruiz, Isabel; Barre, Philippe; Tomaszewski, Celine; Meally, Helena; Barth, Susanne; Skøt, Leif; Armstead, Ian P.; Dolstra, Oene; Lübberstedt, Thomas (2010-08-16)

Background Genetic markers and linkage mapping are basic prerequisites for marker-assisted selection and map-based cloning. In the case of the key grassland species Lolium spp., numerous mapping populations have been ...
An estimate of the contribution of outdoor concrete yards used by livestock to the UK inventories of ammonia, nitrous oxide and methane

Ellis, S.; Pain, Brian F.; Webb, J.; Misselbrook, Tom H.; Crabb, J. (2001)

Many farms have unroofed concrete yards used by livestock. These concrete yards have received little attention as sources of gaseous emissions. From 1997 to 1999 measurements were made of emissions of ammonia (NH3), nitrous ...
Estimates of maintenance energy when using Type I or Type II regression models

Dhanoa, M. S.; Sanderson, R.; France, J. (2010)
Estimates of the genetic parameters and repeatability of behavioural traits of sheep in an arena test

Wolf, Basil Turnbull; McBride, Sebastian D.; Lewis, Ron M.; Davies, Mervyn H.; Haresign, William (2008-07)

Over three years, seven hundred and sixty two 14-month-old Bluefaced Leicester crossbred ewe lambs were individually exposed to a 6-min arena test designed to evaluate the behaviour of sheep exposed to a situation of ...
Estimating a crop root system from limited core samples

King, John A.; Gay, Alan P. (2002)
Estimating N and C transformations from stable isotope tracer studies in an intact soil food web

Crotty, F. V.; Adl, S. M.; Blackshaw, R. P.; Murray, Philip J. (2011-09)
Estimating nitrogen fixation by fertility building crops

Goodlass, G.; Cuttle, Steve P. (2001)
Estimation of legume silage digestibility with various laboratory methods

Olt, A.; Rinne, M.; Nousiainen, J.; Tuori, M.; Paul, C.; Fraser, Mariecia D.; Huhtanen, P. (Wageningen Academic Publishers, 2005)
Estimation of the relative abundance of different Bacteroides and Prevotella ribotypes in gut samples by restriction enzyme profiling of PCR-amplified 16S rRNA gene sequences

Wood, Jacqueline; Scott, Karen P.; Avguštin, Gorazd; Newbold, C. J.; Flint, Harry J. (1998-10)

We describe an approach for determining the genetic composition of Bacteroides and Prevotella populations in gut contents based on selective amplification of 16S rRNA gene sequences (rDNA) followed by cleavage of the ...
ESTUDIO DE LA POBLACION RUMINAL DE BACTERIAS Y HONGOS MEDIANTE TRFLP Y ARISA: EFECTO DEL NIVEL DEL PROTEINA Y TIPO DE CARBOHIDRATO

Belanche, A.; Pinloche, E.; Edwards, J. E.; Moorby, J. M.; Doreau, M.; Newbold, C. J.; Belanche Gracia, Alejandro (2011)

STUDY OF RUMEN BACTERIAL AND ANAEROBIC FUNGAL POPULATION BY TRFLP AND ARISA; EFFECT OF THE PROTEIN LEVEL AND TYPE OF CARBOHYDRATE: Four rumen-cannulated dairy cows were fed with two levels of degradable protein (110 vs. ...
Ethical concerns associated with organic food in Europe

Padel, S.; Nicholas, P.; Jasinska, A.; Lampkin, N. (2008-06-01)
Ethylene and cytokinin in the control of senescence in detached leaves of Arabidopsis thaliana eti-5 mutant and wild-type plants

Kulaeva, O. N.; Yakovleva, L. A.; Rakitin, V. Y.; Smith, Aileen; Hall, Michael A.; Burkhanova, E. A.; Kudryakova, N. V. (2001-09-10)

We studied the effects of cytokinin benzyladenine (BA) and ethylene on the senescence in the dark of detached leaves of Arabidopsis thaliana(L.) Heynh wild-type plants and theeti-5mutant, which was described in the literature ...
Ethylene rapidly up-regulates the activities of both monomeric GTP-binding proteins and protein kinase(s) in epicotyls of pea

Moshkov, Igor E.; Hall, Michael A.; Novikova, Galina V.; Smith, Aileen R.; Mur, Luis A. J. (2003-03-06)

It is demonstrated that, in etiolated pea (Pisum sativum) epicotyls, ethylene affects the activation of both monomeric GTP-binding proteins (monomeric G-proteins) and protein kinases. For monomeric G-proteins, the effect ...
Ethylene regulates monomeric GTP-binding protein gene expression and activity in Arabidopsis

Hall, Michael A.; Moshkov, Igor E.; Mur, Luis A. J.; Novikova, Galina V.; Smith, Aileen R. (2003-03-20)

Ethylene rapidly and transiently up-regulates the activity of several monomeric GTP-binding proteins (monomeric G proteins) in leaves of Arabidopsis as determined by two-dimensional gel electrophoresis and autoradiographic ...
Ethylene signal perception and transduction: multiple paradigms?

Moshkov, I. E.; Smith, Aileen R.; Novikova, G. V.; Mur, Luis A. J.; Hall, Michael A. (2001-02)

Current progress on the mechanisms of ethylene signal perception and transduction are reviewed with an emphasis on reconciling data from molecular genetics and from biochemical approaches. It is proposed that there exist ...
Eubacterium pyruvativorans sp nov., a novel non-saccharolytic anaerobe from the rumen that ferments pyruvate and amino acids, forms caproate and utilizes acetate and propionate

Wallace, R. J.; McKain, N.; McEwan, N. R.; Miyagawa, E.; Chaudhary, L. C.; King, T. P.; Walker, N. D.; Apajalahti, J. H. A.; Newbold, C. J. (2003-07)

Two similar Gram-positive rods were isolated from 10(-6) dilutions of ruminal fluid from a sheep receiving a mixed grass hay/concentrate diet, using a medium containing pancreatic casein hydrolysate as sole source of carbon ...
EU organic policies reflected on EU, Wales and England organic action plans for the development of Korean organic action plan

Cho, Y. -. S.; Nicholas, P.; Lampkin, N.; Padel, S. (2009)

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