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

F Vangroenweghe, L Suls, E Van Driessche, Dominiek Maes UGent and E De Graef (2012) VETERINARNI MEDICINA. 57(2). p.83-91
abstract
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 pleuropneurnoniae; 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.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
monitoring, health status, farrow-to-finish pig herds, group management, RESPIRATORY-SYNDROME-VIRUS, MYCOPLASMA-HYOPNEUMONIAE INFECTIONS, PORCINE PROLIFERATIVE ENTEROPATHY, ACTINOBACILLUS-PLEUROPNEUMONIAE, PASTEURELLA-MULTOCIDA, SWINE HERDS, SUCKLING PIGS, PATTERNS, DISEASE, INTRACELLULARIS
journal title
VETERINARNI MEDICINA
Vet. Med.
volume
57
issue
2
pages
83 - 91
Web of Science type
Article
Web of Science id
000301693700003
JCR category
VETERINARY SCIENCES
JCR impact factor
0.679 (2012)
JCR rank
83/142 (2012)
JCR quartile
3 (2012)
ISSN
0375-8427
language
English
UGent publication?
yes
classification
A1
copyright statement
I have retained and own the full copyright for this publication
id
2094721
handle
http://hdl.handle.net/1854/LU-2094721
alternative location
http://vri.cz/docs/vetmed/57-2-83.pdf
date created
2012-04-26 09:59:06
date last changed
2012-04-27 09:19:45
@article{2094721,
  abstract     = {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 pleuropneurnoniae; 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 {\textlangle} 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.},
  author       = {Vangroenweghe, F and Suls, L and Van Driessche, E and Maes, Dominiek and De Graef, E},
  issn         = {0375-8427},
  journal      = {VETERINARNI MEDICINA},
  keyword      = {monitoring,health status,farrow-to-finish pig herds,group management,RESPIRATORY-SYNDROME-VIRUS,MYCOPLASMA-HYOPNEUMONIAE INFECTIONS,PORCINE PROLIFERATIVE ENTEROPATHY,ACTINOBACILLUS-PLEUROPNEUMONIAE,PASTEURELLA-MULTOCIDA,SWINE HERDS,SUCKLING PIGS,PATTERNS,DISEASE,INTRACELLULARIS},
  language     = {eng},
  number       = {2},
  pages        = {83--91},
  title        = {Health advantages of transition to batch management system in farrow-to-finish pig herds},
  url          = {http://vri.cz/docs/vetmed/57-2-83.pdf},
  volume       = {57},
  year         = {2012},
}

Chicago
Vangroenweghe, F, L Suls, E Van Driessche, Dominiek Maes, and E De Graef. 2012. “Health Advantages of Transition to Batch Management System in Farrow-to-finish Pig Herds.” Veterinarni Medicina 57 (2): 83–91.
APA
Vangroenweghe, F, Suls, L., Van Driessche, E., Maes, D., & De Graef, E. (2012). Health advantages of transition to batch management system in farrow-to-finish pig herds. VETERINARNI MEDICINA, 57(2), 83–91.
Vancouver
1.
Vangroenweghe F, Suls L, Van Driessche E, Maes D, De Graef E. Health advantages of transition to batch management system in farrow-to-finish pig herds. VETERINARNI MEDICINA. 2012;57(2):83–91.
MLA
Vangroenweghe, F, L Suls, E Van Driessche, et al. “Health Advantages of Transition to Batch Management System in Farrow-to-finish Pig Herds.” VETERINARNI MEDICINA 57.2 (2012): 83–91. Print.