[postmortem findings in swine: non-selected submissions from hog cholera protection areas of 1992 versus selected submissions of 1991-1992].this article presents a survey of death-causes of all spontaneously died pigs, n = 851, from a restricted area in the province of south holland during a 2 1/2 months lasting hog-cholera epizoötic in 1992. 23 pigs from 5 submissions showed a positive ift against hog-cholera virus. those animals and pigs from sero-positive farms were excluded from this survey. the results of the post-mortems were compared with the post-mortem findings of the normally submitted, selected, animals in 1991 and 1992, ...19947974450
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