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  • Title: Osteochondrosis in six breeds of slaughter pigs. I. A morphological investigation of the status of osteochondrosis in relation to breed and level of feeding.
    Author: Goedegebuure SA, Häni HJ, van der Valk PC, van der Wal PG.
    Journal: Tijdschr Diergeneeskd; 1980 Jan 15; 105(2):28-41. PubMed ID: 7352332.
    Abstract:
    The severity and extent of osteochondral lesions have been examined, macroscopically, radiographically as well as histopathologically, in six different breeds of pigs (Belgian Landrace (B), Duroc (D), Dutch Landrace (N), Dutch Yorkshire (G), Hampshire (H) and Piétrain (P)). In these pigs three different levels of feeding were used. Duroc pigs had significantly more severe lesions in the fore limbs than Dutch Landrace (N), Dutch Yorkshire (G), Hampshire (H) and Piétrain (P) pigs, while Belgian Landrace pigs (B) had significant more severe lesions than Dutch Yorkshire (G) pigs. The differences between breeds related more to the degree of severity of the lesions in the articular surfaces of the distal humerus and proximal radius-ulna and in the distal ulnar growth plate than to the presence of the lesions per se. In the hind limbs Belgian Landrace pigs (B) had significantly more severe osteochondral lesions than all other breeds, while Dutch Landrace pigs (N) had significantly more severe lesions than Duroc (D), Dutch Yorkshire (G), Hampshire (H) and Piétran (P) pigs. Pigs with the highest growth rate showed significantly more severe osteochondral lesions in the distal ulnar growth plate and in the medial femoral condyle than pigs with a more restricted growth rate.
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