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Biomedical subjects

R L Reece

Publications and source records attributed to R L Reece.

At least 19 recordsLinked to original sources
PubMed1992

Some unusual diseases in the birds of Victoria, Australia.

The following unusual diseases were diagnosed in birds submitted to the Veterinary Research Institute, Victoria, between 1978 and 1987: the viral diseases beak and feather disease of psittacines, infectious laryngotracheitis in peafowls, a papovavirus-like inclusion body disease in psittacines, and pox; chlamydiosis; the bacterial diseases actinomycosis, listeriosis and mycobacteriosis; the fungal diseases favus, yeast infections and systemic zygomycosis; the protozoan diseases cryptosporidiosis, hexamitiasis, suspected leucocytozoonosis, sarcosporidiosis, toxoplasmosis, trichomoniasis and an unidentified protozoan-like organism which caused pneumonia in ducks; a variety of parasites; the metabolic disorders curled-toe paralysis in pheasant poults, encephalomalacia and parenchymatous goitre; toxicity due to dimetridazole and the ingestion of the leaves of the tobacco tree; and other non-infectious conditions including asphyxiation, burns, cataracts, cerebellar degeneration and atrophy, cystic right oviducts and exertional rhabdomyolysis.

Animals↗
PubMed1991

A recombinant fowlpox virus that expresses the VP2 antigen of infectious bursal disease virus induces protection against mortality caused by the virus.

The coding sequences of VP2 from a virulent strain, 52/70, of infectious bursal disease virus (IBDV) were excised from a cDNA clone and inserted into a fowlpox plasmid insertion vector. The resulting plasmid, pIBD 1, was used to construct a recombinant fowlpox virus, fpIBD 1, which expressed VP 2 as a beta-galactosidase fusion protein. Chickens vaccinated with fpIBD 1 at 1 and 14 days of age, were challenged at 28 days with either IBDV strain 52/70 or the highly virulent strain CS 89. These chickens were protected against mortality, but not against damage to the bursa of Fabricius. The protection achieved by the use of fpIBD 1 shows that VP 2 is a host protective antigen.

Amino Acid Sequence↗
PubMed1991

Ascites syndrome in SPF Light Sussex chickens.

An ascites syndrome was induced in 17 to 28 per cent of specific pathogen-free (SPF) Light Sussex (LSX) chickens given a low protein (16 per cent crude protein) high calcium (3.5 per cent calcium) layer crumble feed on two separate occasions 6 months apart. Affected chickens had increased right ventricular weight as a proportion of either total heart weight or live-weight at 3 weeks of age, compared with non-affected LSX chickens on the same feed, thus indicating right ventricular hypertrophy. The incidence of ascites was not increased by infection with avian nephritis virus, nor by limited cold-stress during brooding. It was not produced in LSX chickens given other feeds, nor in SPF Rhode Island Red chickens.

Animals↗