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Now showing items 21-30 of 202
Different patterns of faecal egg output following infection of Scottish blackface lambs with Ostertagia circumcincta
(1995-08)
Faecal nematode egg counts were monitored in 184 Scottish Blackface lambs during natural exposure to a mixed, predominantly Ostertagia circumcincta infection and 12 lambs were selected which showed consistently zero (low ...
The Science of Complexity : An Alternative Perspective for Strategic Change Processes
(1995-08)
The two perspectives of strategy process most firmly established in the literature—strategic choice and ecology—assume the same about system dynamics: negative feedback processes driving successful systems (individual ...
A silicon micromachined device for use in blood cell deformability studies
(1995-08)
An application of silicon micromachining to the analysis of blood cell theology is described. The system, based upon a micromachined flow cell, provides a specific measurement of each cell in a statistically significant ...
Early development of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape (Brassica napus) in relation to temperature and leaf wetness.
(1995-08)
In controlled environment experiments to study early development of light leaf spot, lesions developed with leaf wetness durations of 16 to 48 h after inoculation of oilseed rape with conidial suspensions of Pyrenopeziza ...
Survival and seed to seedling transmission of Alternaria linicola on linseed
(1995-08)
Alternaria linicola survived as thick-walled chlamydospores in hyphal or conidial cells on infected linseed stem debris, either on the soil surface or buried in the soil, during the period between the harvest of linseed ...
The Spectral Evolution of High-Frequency Radio Outbursts in the Blazar PKS:0420-014
(1995-08-01)
Multifrequency monitoring data between 375 and 22 GHz are used to investigate spectral evolution of radio outbursts in the blazar 0420-014. It is shown that, after subtraction of the underlying `quiescent' emission, the ...
An investigation of the use of Nile Red as a long-wavelength fluorescent-probe for the study of alpha(1)-acid glycoprotein-drug interactions
(1995-07)
Spectrofluorimetry in the long-wavelength region of the electromagnetic spectrum (600-1000 nm) is a fairly recent development in photoluminescence spectroscopy, which has numerous advantages over measurements in the more ...
An ovine Major histocompatibility complex DRB1 allele is associated with low faecal egg counts following natural, predominantly Ostertagia circumcincta infection
(1995-07)
Infection with Ostertagia circumcincta is a major constraint on sheep production in temperate areas of the world. A potential control strategy is the use of genetically resistant sheep. Therefore we examined the association ...
Mutational analysis of potato yellow mosaic geminivirus
(1995-07)
Mutations have been inserted into the virion and complementary sense ORFs encoding proteins with M(r)s in excess of 9 kDa of both DNA A and DNA B of potato yellow mosaic geminivirus (PYMV). Wild-type and mutant monomeric ...