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Biomedical subjects

B M Williams

Publications and source records attributed to B M Williams.

At least 37 records · Page 2Linked to original sources
PubMed1977

Bovine mycotic abortion: some epidemiological aspects.

Records from 898 cases of bovine mycotic abortion occurring over the five years 1969 to 1974 in South Wales were examined with particular reference to incidence and climate. Mean incidence was lowest in September and highest in January and February. Annual incidence of Aspergillus-type infection decreased but that of Mucortype did not alter significantly. Most abortions occurred during the last trimester of pregnancy. The abortion rate for cattle fed hay in cowsheds was extremely high compared with that for other management systems. No correlation could be detected between total rainfall or number of raindays in June and September and mycotic abortions occurring over the succeeding 12 months. Fungal abortion was followed by pregnancy in most cases where subsequent breeding performance was known.

Abortion, Veterinary↗
PubMed1977

Clostridial myositis in cattle: bacteriology and gross pathology.

In a bacteriological study of 173 cases of clostridial myositis in cattle, Cl chauvoei either alone or with Cl septicum was demonstrated in 97 (56 %)min a further 62 (36%) cases Cl novyi was demonstrated either alone or with Cl septicum. On 11 (6%) occasions Cl septicum only was recovered, and on another three 1-7%) Cl sordelli only. The gross pathology of the lesions was correlated with the bacteriological findings, and prophylaxis in relation to the infections identified is discussed.

Animals↗
PubMed1977

The in vitro drug resistance of Salmonella dublin isolated from cattle.

The resistance of Salmonella dublin to eight antibacterial drugs was assessed under diagnostic laboratory conditions. Two techniques were used consecutively and the differences in the results are described. Strains of S. dublin isolated from either calves, adult cattle or abortion material showed no differences in resistance for either of the techniques, though differences between the two techniques were found.

Animals↗
PubMed1977

Salmonella dublin infection in adult cattle: a slaughter house and knackery survey in South West Wales.

A survey was carried out between June 1970 and December 1971 in which gall bladders from cattle either slaughtered for food consumption or disposed of through knackeries were cultured for salmonellas. Salmonella dublin was isolated from 28 of 1917 gall-bladders of adult cattle killed in the slaughterhouse at Carmarthen, and from 23 of 197 gall-bladders obtained from adult cattle sent to a knackery at Abergwili, near Carmarthen. The results are compared with a similar survey carried out in 1947 and 1948. Between June and November 1971 gall-bladders and uteri were also obtained from a slaughterhouse in Newcastle Emlyn, North Carmarthenshire, and a knackery in Tanygroes, South Cardiganshire. S. dublin was cultured from two gall-bladders but from none of the uteri of the 161 slaughterhouse cases. Seven of the 46 cows from the knackery yielded S. dublin on culture: 2 in the gall-bladder only, 3 in the uterus only and 2 in both gall bladder and uterus.

Abattoirs↗