Risk factors associated with pleuritis and cranio-ventral pulmonary consolidation in slaughter-aged pigs

Fraile, Lorenzo; Alegre, A.; López-Jiménez, R.; Nofrarías, Miquel; Segalés, Joaquím

doi:10.1016/j.tvjl.2009.03.029

Cited by 129 publications

(194 citation statements)

References 32 publications

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“…This study indicated a prevalence of 11%, which is lower than European prevalence estimates of 29% and 47% (Fraile et al, 2010;Merialdi et al, 2012), but is consistent with levels within England. Pleuritis was found to affect 84% of batches, which is in line with English estimates of 78% to 82% for 2005 to 2015 (Gomes, 2015).…”

Section: Discussionsupporting

confidence: 72%

Associations between EP-like lesions and pleuritis and post trimming carcass weights of finishing pigs in England

et al. 2017

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Section: Discussionsupporting

confidence: 72%

Associations between EP-like lesions and pleuritis and post trimming carcass weights of finishing pigs in England

et al. 2017

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“…Biosecurity measures are of great importance to prevent or limit the risk of animals becoming infected with pathogens (Amass and Clark, 1999;European Commission, 2007;Maes et al, 2008;Fraile et al, 2010;Nöremark et al, 2010;Lambert et al, 2012;Laanen et al, 2013). A reduction in the risk of contracting an infection might lead to the reduced necessity of (antimicrobial) treatment of the animals (Laanen et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

The biosecurity status and its associations with production and management characteristics in farrow-to-finish pig herds

Postma

Backhans

Collineau

et al. 2016

Animal

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Disease prevention through biosecurity measures is believed to be an important factor for improvement of the overall health status in animal production. This study aimed at assessing the levels of implementation of biosecurity measures in pig production in four European Union (EU) countries and to describe possible associations between the biosecurity level and farm and production characteristics. A cross-sectional study was conducted in 232 farrow-to-finish pig herds in Belgium, France, Germany and Sweden between December 2012 and December 2013. The biosecurity status in each of these herds was described and quantified by using the risk-based scoring tool Biocheck.UGentTM (www.biocheck.ugent.be). Production and management characteristics, obtained from the herd management system and by interviewing the farmer, were analysed for their association with the biosecurity level. A causal path was designed to study statistical associations. The results showed that there was substantial room for improvement in the biosecurity status on many pig farms. Significant differences (P<0.01) both in internal and external biosecurity levels were observed between countries. The external biosecurity status, combining all measures taken to prevent disease introduction into the herd, was highest in Germany and lowest in France. The internal biosecurity status, combining all measures taken to prevent within herd disease transmission, was highest in Sweden and lowest, with a large variation, in Belgium. External biosecurity scores were in general higher compared to internal biosecurity scores. The number of pathogens vaccinated against was significantly associated with internal biosecurity status, suggesting an overall more preventive approach towards the risk of disease transmission. A higher external biosecurity was associated with more weaned piglets per sow per year. Furthermore also the weaning age and the mortality till weaning were highly associated with the number of weaned piglets per sow per year. The negative association observed between the biosecurity level and the estimated frequency of treatment against certain clinical signs of disease as a proxy for disease incidence is consistent with the hypothesis that a higher biosecurity level results in healthier animals. These findings promote an improved biosecurity status at pig farms and are of relevance in the discussion on alternative ways to keep animals healthy with a reduced necessity of antimicrobials; Prevention is better than cure

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“…Monitoring tools to assess the health status of different animal categories at farm level are quite diverse and may vary from conventional clinical observations over herd sampling programs -in-cluding serology (Maes et al 2001;Fraile et al 2010;Hands et al 2010;Meyns et al 2010), bacteriological culture and PCR-testing (Hands et al 2010) -to slaughterhouse checks (Fraile et al 2010;Meyns et al 2010). In many European countries, Pasteurella multocida (P. multocida) producing dermonecrotic toxin (DNT; Christensen and Mousing 1992;Christensen et al 1994;Fablet et al 2011), Brachyspira hyodysenteriae (B. hyodysenteriae) (Christensen et al 1994), Lawsonia intracellularis (L. intracellularis) (Christensen et al 1994), Porcine Reproductive and Respiratory disease virus (PRRSv) (Christensen and Mousing 1992;Christensen et al 1994), Mycoplasma hyopneumoniae (M. hyopneumoniae; Christensen and Mousing 1992;Fraile et al 2010;Meyns et al 2010;Fablet et al 2011) and Actinobacillus pleuropneumoniae (A. pleuropneumoniae; Christensen and Mousing 1992;Fraile et al 2010;Meyns et al 2010;Fablet et al 2011), are considered to be the most important economic diseases in closed pig herds.…”

mentioning

confidence: 99%

“…In many European countries, Pasteurella multocida (P. multocida) producing dermonecrotic toxin (DNT; Christensen and Mousing 1992;Christensen et al 1994;Fablet et al 2011), Brachyspira hyodysenteriae (B. hyodysenteriae) (Christensen et al 1994), Lawsonia intracellularis (L. intracellularis) (Christensen et al 1994), Porcine Reproductive and Respiratory disease virus (PRRSv) (Christensen and Mousing 1992;Christensen et al 1994), Mycoplasma hyopneumoniae (M. hyopneumoniae; Christensen and Mousing 1992;Fraile et al 2010;Meyns et al 2010;Fablet et al 2011) and Actinobacillus pleuropneumoniae (A. pleuropneumoniae; Christensen and Mousing 1992;Fraile et al 2010;Meyns et al 2010;Fablet et al 2011), are considered to be the most important economic diseases in closed pig herds.…”

mentioning

confidence: 99%

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Health advantages of transition to batch management system in farrow-to-finish pig herds

Vangroenweghe¹,

Suls²,

Driessche³

et al. 2012

Vet. Med.

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Sow batch management systems have become more popular due to advantages in labour planning, piglet batch sizes, all-in all-out practices and health management. The present study investigated the potential health advantages of 10 selected farrow-to-finish pig herds before and after transition from a one week batch management system to a four or five week batch management system. Five different animal categories (gilts, sows, piglets, growers and finishers) were sampled at three time points (T0, T1 and T2) before and after transition to a four or five week batch management system. Different matrices of the animals were collected: blood, nasal swabs and faeces. Several economically important diseases were monitored through serology: Lawsonia intracellularis, Porcine Reproductive and Respiratory Syndrome virus (PRRSv), Mycoplasma hyopneumoniae, Actinobacillus pleuropneumoniae; and PCR-testing: Pasteurella multocida dermonecrotic toxin (DNT) and Brachyspira species, especially the major pathogenic Brachyspira hyodysenteriae. Following serological analysis, the percentage of positive animals per category and sampling occasion were calculated. Health improvement based on serology was defined as the reduction in the percentage of positive animals for a specific disease in a specified animal category. All samples were negative for P. multocida DNT and B. hyodysenteriae. Little to no improvement could be observed for PRRSv. For L. intracellularis an improvement could be observed in piglets (71%) and growers (56%; P < 0.05). For both of the respiratory pathogens, M. hyopneumoniae and A. pleuropneumoniae, significant improvement was observed in finishers (34 and 24%, respectively). In growers, only M. hyopneumoniae showed a significant improvement (34%). In conclusion, the transition from a one week batch management system to a four or five week batch management system in the present herds resulted in a reduction of the percentage of seropositive animals for three of the monitored economically important diseases: L. intracellularis, M. hyopneumoniae and A. pleuropneumoniae.

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Risk factors associated with pleuritis and cranio-ventral pulmonary consolidation in slaughter-aged pigs

Cited by 129 publications

References 32 publications

Associations between EP-like lesions and pleuritis and post trimming carcass weights of finishing pigs in England

Associations between EP-like lesions and pleuritis and post trimming carcass weights of finishing pigs in England

The biosecurity status and its associations with production and management characteristics in farrow-to-finish pig herds

Health advantages of transition to batch management system in farrow-to-finish pig herds

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