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Biotechnology in Animal Husbandry 2024 Volume 40, Issue 2, Pages: 115-129
https://doi.org/10.2298/BAH2402115P
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Fibrinous pericarditis in slaughtered pigs: Impact on welfare, growth performance and carcass and meat quality

Pajičić Đorđe ORCID iD icon (Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, University of Belgrade, Belgrade, Serbia)
Kovačević Sara ORCID iD icon (Department of Animal Hygiene, Faculty of Veterinary Medicine, University of Belgrade, Belgrade, Serbia)
Suvajdžić Branko ORCID iD icon (Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, University of Belgrade, Belgrade, Serbia)
Grković Nevena ORCID iD icon (Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, University of Belgrade, Belgrade, Serbia)
Vićić Ivan ORCID iD icon (Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, University of Belgrade, Belgrade, Serbia)
Karabasil Nedjeljko ORCID iD icon (Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, University of Belgrade, Belgrade, Serbia)
Čobanović Nikola ORCID iD icon (Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, University of Belgrade, Belgrade, Serbia), cobanovic.nikola@vet.bg.ac.rs

This study aimed to determine the effects of fibrinous pericarditis on blood welfare indicators, performance indices and carcass and meat quality of slaughtered pigs. From a total of 144 examined pig hearts, the presence of fibrinous pericarditis was recorded in 25.69% cases. The presence of fibrinous pericarditis in slaughtered pigs was significantly associated with decreased (P<0.0001) blood lactate and glucose levels. The presence of fibrinous pericarditis in slaughtered pigs was significantly associated with reduced average lifetime daily weight gain (P=0.0042), live weight (P=0.0045), hot carcass weight (P=0.0045), cold carcass weight (P=0.0045) and lean meat content (P<0.0001). Consequently, pigs showing fibrinous pericarditis produced the lower (P<0.0001) percentage of „E“ class carcasses, but the higher (P=0.0079) percentage of „R“ class carcasses. Pigs without fibrinous pericarditis produced the better meat quality, with the higher (P=0.0465) percentage of red, firm and nonexudative meat. In contrast, the presence of fibrinous pericarditis in slaughtered pigs was significantly associated with abnormally elevated final meat pH (P<0.0001), high water-holding capacity (lower drip loss; P<0.0001) and unfavourable dark colour (higher lightness and yellowness; P<0.0001). As a result, pigs showing fibrinous pericarditis produced the highest percentage of dark, firm and dry meat (P=0.0002). In conclusion, assessing fibrinous pericarditis at the slaughterline has the potential to serve not only as an indirect indicator of pig health and welfare on the farm of origin but also of growth performance, carcass and pork quality.

Keywords: blood metabolites, heart lesions, pig health, pork quality

Project of the Ministry of Science, Technological Development and Innovation, Republic of Serbia, Grant no. 451-03-66/2024-03/200143


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