Wouda W, van den Broek M J, Snijders J M, van Logtestijn J G, Gruys E
Vakgroep Pathologie, Faculteit der Diergeneeskunde, Utrecht.
Tijdschr Diergeneeskd. 1987 Nov 1;112(21):1236-42.
The results of meat inspection in 599 slaughtered pigs with endocarditis were studied. Of the pigs examined, 65 per cent were condemned. Condemnation was based on a positive bacteriological examination (Article 2 of the Meat Inspection Regulations) in almost every case. When bacteriological examination was negative, the animal was passed unqualified in nearly every case, regardless of the fact that symptoms were or were not detected in ante-mortem inspection and whether or not signs of sepsis were observed. Subsequently, efforts were made to determine the possible effects of omitting incisions into the hearts of pigs in which neither clinical nor morbid-anatomical examination suggested the presence of endocarditis. It was concluded that endocarditis would have passed unnoticed in 25 per cent of the pigs examined in this case. Of these pigs, fifty per cent were found to be positive on bacteriological examination. Finally, the financial consequences of condemning all pigs showing endocarditis were examined. Compared with current practice in meat inspection, this would result in an annual loss of Dfl. 60,000 in the situation prevailing in the Netherlands. However, if Articles 13, 17 and 18 of the Meat Inspection Regulations were strictly observed, the yield of the pigs passed would not offset the costs of examination.
对599头患有心内膜炎的屠宰猪的肉类检验结果进行了研究。在检查的猪中，65%被判定不合格。几乎在每一个案例中，判定不合格都是基于细菌学检查呈阳性（《肉类检验条例》第2条）。当细菌学检查呈阴性时，无论在宰前检查中是否检测到症状以及是否观察到败血症迹象，几乎在每一个案例中该动物都被判定为不合格。随后，人们努力确定对于那些临床和病理解剖检查均未提示存在心内膜炎的猪，省略心脏切口可能产生的影响。得出的结论是，在本案例中检查的猪中有25%的心内膜炎会被漏检。在这些猪中，50%的细菌学检查呈阳性。最后，研究了判定所有患有心内膜炎的猪不合格所产生的经济后果。与荷兰当前肉类检验的做法相比，在荷兰当前的情况下，这将导致每年损失60,000荷兰盾。然而，如果严格遵守《肉类检验条例》第13条、第17条和第18条，判定合格的猪的产量将无法抵消检验成本。
