Characteristic lesions are large haemorrhages in the lymph nodes, kidneys and spleen, pulmonary congestion and oedema and in some cases interstitial pneumonia.

(2) Appropriate sample means: a sample of tonsil and of spleen plus a sample of ileum or kidney and a sample of at least one of the following lymph nodes: retropharyngeal, parotid, mandibular or mesenteric lymph nodes.

(4) Appropriate sample means: 'A sample of tonsil and of spleen plus a sample of ileum or kidney and a sample of at least one of the following lymph nodes; retropharyngeal, parotid, mandibular or mesenteric lymph nodes

ANNEX I Important measures taken in relation to BSE (a) Community measures (i) export ban on live animals from the UK to the other Member States with the exception of calves under six months under the condition that they are slaughtered before the age of six months (March 1990); (ii) export ban on specified offals (brains, spinal cord, thymus, tonsils, spleen and intestines) from the UK to the other Member States (April 1990); (iii) export of meat from the UK to the other Member States: - from animals under the age of 30 months: no restrictions (first measure 1 March 1990 - latest decision February 1995); - from animals over the age of 30 months coming from a herd with no case of BSE during the last six years: no restrictions (decisions ...[+++]as above); - from animals over the age of 30 months coming from a herd with a case of BSE during the last six years: to be accompanied by a health certificate stating "fresh deboned bovine meat in the form of muscle from which the adherent tissues, including obvious nervous and lymphatic tissues, have been removed" (decisions as above); (iv) ban in the Community on the feeding of mammalian protein to ruminants (June 1994); (v) tightening of rules on rendering of ruminant waste in order to inactivate the BSE agent (June 1994) (b) UK measures: (i) ban on the feeding of ruminant protein to ruminants (July 1988); (ii) ban on specified bovine offals (SBOs) (November 1989); ( i i i ) strengthening of the specified bovine offals ban (August 1995); (iv) ban on the feeding of mammalian protein to all farm animals (March 1996) (c) Member State level: - import ban on meat- and bone-meal from the United Kingdom (d) Community export ban on bovine animals, bovine meat and meat products, etc., and on mammalian-derived meat- and bone-meal from the UK to other Member States and third countries (March 1996).