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Browsing 1995 Onderstepoort Journal of Veterinary Research, Volume 62, 1995 by Author

Browsing 1995 Onderstepoort Journal of Veterinary Research, Volume 62, 1995 by Author "Bragg, R.R. (Robert Richard)"

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Effects of transformation on the hemagglutinins of Haemophilus paragallinarum

Verschoor, J.A. (Jan Adrianus), 1953-; Bragg, R.R. (Robert Richard); Purdan, G.; Coetzee, L.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1995)

Strain 0083 and two field isolates of H. paragallinarum were previously converted into NAD-independent organisms by the use of crude DNA extractions from naturally occurring NAD-independent H. paragallinarumisolates. Two ...
A rapid method to determine bacterial contamination on hatching eggs. 2. Correlation of the optical-density measurements after incubation to bacterial counts on hatching eggs

Pienaar, A.C.E.; Coetzee, L.; Bragg, R.R. (Robert Richard); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1995)

The suitability of using optical-density (OD) measurements after a 6-h incubation period to determine bacterial contamination on hatching eggs was evaluated. A total of 154 hatching eggs, from five different flocks, were ...
A rapid method to determine bacterial contamination on hatching eggs. 3. Use of commercial DNA probe kits for detection of specific pathogens after six hours of incubation

Pienaar, A.C.E.; Coetzee, L.; Bragg, R.R. (Robert Richard); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1995)

The usefulness of commercially available DNA probe kits for the detection of Escherichia coli and Salmonella spp. after only 6 h of incubation, was determined. It was established that the commercially available probe ...

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Browsing 1995 Onderstepoort Journal of Veterinary Research, Volume 62, 1995 by Author "Bragg, R.R. (Robert Richard)"

Browsing 1995 Onderstepoort Journal of Veterinary Research, Volume 62, 1995 by Author "Bragg, R.R. (Robert Richard)"

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