Infected Place Notice (Hansard, 15 January 1990)

§ Mr. Morley
To ask the Minister of Agriculture, Fisheries and Food, in relation to the issuing of an infected place notice by his Department, on Lansdowne Farm Ltd., East Retford, Nottinghamshire, what conclusion was reached as to the origin of the group C organisms which were discovered in the liver, ovaries and oviducts but not in the intestines.

§ Mr. Maclean
No conclusion was reached as to the origin of the group C organisms found in the livers, ovaries and oviducts but not in the intestines of the birds taken during the investigation at Lansdowne Farm Ltd.

§ Mr. Morley
To ask the Minister of Agriculture, Fisheries and Food in relation to the issuing of an infected place notice by his Department on Lansdowne Farm Ltd., East Retford, Nottinghamshire, on what basis birds were selected for slaughter.

§ Mr. Maclean
The birds taken were randomly distributed throughout each house. The birds were selected by a MAFF official of the veterinary investigation service assisted by representatives from Lansdowne Farm Ltd.

§ Mr. Morley
To ask the Minister of Agriculture, Fisheries and Food in relation to the issuing of an infected place notice by his Department on Lansdowne Farm Ltd. East Retford, Nottinghamshire, the phage type of the enteritidis strain alleged to have been recovered and the serotype of the group C organism recovered.

§ Mr. Maclean
Following is the information:
(i) The group D isolates were all identified as Salmonella enteritidis phage type 4.

(ii) he group C isolates were identified as Salmonella infantis.

§ Mr. Morley
To ask the Minister of Agriculture, Fisheries and Food in relation to the issuing of an infected place notice by his Department on Lansdowne Farm Ltd., East Retford, Nottinghamshire, whether the hen carcases remained in the sacks in which they were placed at the farm; at what temperature they were stored; and whether any other material was stored in the same refrigerator.

§ Mr. Maclean
Following is the information:
(i) The hen carcases remained in the sealed plastic bags into which they were placed at the farm.
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(ii) They were stored at 8.5 deg C.

(iii) T other material was stored with the birds.

§ Mr. Morley
To ask the Minister of Agriculture, Fisheries and Food in relation to the issuing of an infected place notice by his Department on Lansdowne Farm Ltd, East Retford, Nottinghamshire, whether any person who moved the unopened bags to the post mortem room took part in the post mortem procedures; in which room the examinations were carried out and under what circumstances; and whether any other work was carried out in the same room at the same time or immediately before.

§ Mr. Maclean
One person who moved the unopened bags to the post mortem room took part in the post mortem procedures.
The examinations were carried out in the post mortem room at Sutton Bonington veterinary investigation centre on 8 November 1989. The post mortem room was cleansed and disinfected on 7 November and no work was subsequently carried out in that room until the birds were examined post mortem on the morning of 8 November. Post mortem tables were cleaned and disinfected between each batch of birds examined and fresh sets of gloves and sterile instruments were used to collect and examine samples of different organ types from within each batch.
The birds were examined on the morning of 8 November and no other work was carried out in the post mortem room at the same time or immediately before these examinations took place.

§ Mr. Morley
To ask the Minister of Agriculture, Fisheries and Food, in relation to the issuing of an infected place notice by his Department on Lansdowne Farm Ltd, East Retford, Nottinghamshire, how many salmonella colonies were examined from each plate subcultured for typing; how many colonies were identified as type D; how many times and over what period the plates were examined; and after how many examinations the group D types were isolated.

§ Mr. Maclean
Not less than three non-lactose fermenting colonies were examined from each plate showing typical salmonella growth characteristics. Four colonies were identified as group D salmonella. Each plate of brilliant green agar was examined twice at 24 and 48 hours after incubation at 37 deg C. Group D salmonellas were isolated from three subcultures at 24 hours and one subculture at 48 hours.

§ Mr. Morley
To ask the Minister of Agriculture, Fisheries and Food, in relation to the issuing of an infected place notice by his Department on Lansdowne Farm Ltd, East Retford, Nottinghamshire, whether the investigation concluded that the group C organism was present.

§ Mr. Maclean
The investigation concluded that group C organisms were present.