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Incidence and prevention of early parturition in sows

Caroline Vanderhaeghe UGent, Jeroen Dewulf UGent, J Jourquin, Aart de Kruif UGent and Dominiek Maes UGent (2011) REPRODUCTION IN DOMESTIC ANIMALS. 46(3). p.428-433
abstract
A retrospective study, based on 60 990 farrowing records from 35 commercial herds, was performed to determine the incidence of early parturition (< 114d) and to investigate the relationship between early parturition and total number of piglets born, number of piglets born alive and percentage of stillborn piglets per litter. The mean gestation length was 115.4 +/- 1.62d, and early parturition occurred in 10% of all farrowing records. Sows with early parturition had significantly more stillborn piglets and a larger litter size compared to sows with a normal gestation length (114-117d). Sows with a gestation length < 114d were 1.2 times (95% CI: 1.19-1.21; p < 0.001) more likely to have an early parturition at the subsequent parity. A second study was performed in four herds (n = 329) to investigate the efficacy of altrenogest administration on 110-112d (T112) or 111-113d (T113) of gestation for preventing early parturition and to investigate the effect of this treatment on the reproductive performance of sows. The interval between the last altrenogest treatment and the onset of parturition was 3.3 +/- 1.32 (T112) or 2.0 +/- 0.89 (T113) days. The gestation length of sows of the altrenogest group (T112 + T113) (115.3 +/- 1.23d) was significantly longer compared to gestation length of the non-treated sows (114.7 +/- 1.69d) (p < 0.01). Altrenogest treatment had no negative effect on the reproductive performances of the sows. In conclusion, the administration of altrenogest in late gestation is an effective and safe method to prevent early parturition and can counteract the reproductive losses because of premature farrowing, which may occur in a substantial part of the farrowing events.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
DELAYED PARTURITION, GESTATION LENGTH, PIGLET SURVIVAL, LATE PREGNANCY, PROGESTERONE, PERFORMANCE, STILLBIRTH, COLOSTRUM, DURATION, ESTROGEN
journal title
REPRODUCTION IN DOMESTIC ANIMALS
Reprod. Domest. Anim.
volume
46
issue
3
pages
428 - 433
Web of Science type
Article
Web of Science id
000290266600008
JCR category
VETERINARY SCIENCES
JCR impact factor
1.356 (2011)
JCR rank
37/141 (2011)
JCR quartile
2 (2011)
ISSN
0936-6768
DOI
10.1111/j.1439-0531.2010.01685.x
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1254259
handle
http://hdl.handle.net/1854/LU-1254259
date created
2011-06-06 15:59:30
date last changed
2011-06-15 16:24:12
@article{1254259,
  abstract     = {A retrospective study, based on 60 990 farrowing records from 35 commercial herds, was performed to determine the incidence of early parturition ({\textlangle} 114d) and to investigate the relationship between early parturition and total number of piglets born, number of piglets born alive and percentage of stillborn piglets per litter. The mean gestation length was 115.4 +/- 1.62d, and early parturition occurred in 10\% of all farrowing records. Sows with early parturition had significantly more stillborn piglets and a larger litter size compared to sows with a normal gestation length (114-117d). Sows with a gestation length {\textlangle} 114d were 1.2 times (95\% CI: 1.19-1.21; p {\textlangle} 0.001) more likely to have an early parturition at the subsequent parity. A second study was performed in four herds (n = 329) to investigate the efficacy of altrenogest administration on 110-112d (T112) or 111-113d (T113) of gestation for preventing early parturition and to investigate the effect of this treatment on the reproductive performance of sows. The interval between the last altrenogest treatment and the onset of parturition was 3.3 +/- 1.32 (T112) or 2.0 +/- 0.89 (T113) days. The gestation length of sows of the altrenogest group (T112 + T113) (115.3 +/- 1.23d) was significantly longer compared to gestation length of the non-treated sows (114.7 +/- 1.69d) (p {\textlangle} 0.01). Altrenogest treatment had no negative effect on the reproductive performances of the sows. In conclusion, the administration of altrenogest in late gestation is an effective and safe method to prevent early parturition and can counteract the reproductive losses because of premature farrowing, which may occur in a substantial part of the farrowing events.},
  author       = {Vanderhaeghe, Caroline and Dewulf, Jeroen and Jourquin, J and de Kruif, Aart and Maes, Dominiek},
  issn         = {0936-6768},
  journal      = {REPRODUCTION IN DOMESTIC ANIMALS},
  keyword      = {DELAYED PARTURITION,GESTATION LENGTH,PIGLET SURVIVAL,LATE PREGNANCY,PROGESTERONE,PERFORMANCE,STILLBIRTH,COLOSTRUM,DURATION,ESTROGEN},
  language     = {eng},
  number       = {3},
  pages        = {428--433},
  title        = {Incidence and prevention of early parturition in sows},
  url          = {http://dx.doi.org/10.1111/j.1439-0531.2010.01685.x},
  volume       = {46},
  year         = {2011},
}

Chicago
Vanderhaeghe, Caroline, Jeroen Dewulf, J Jourquin, Aart de Kruif, and Dominiek Maes. 2011. “Incidence and Prevention of Early Parturition in Sows.” Reproduction in Domestic Animals 46 (3): 428–433.
APA
Vanderhaeghe, C., Dewulf, J., Jourquin, J., de Kruif, A., & Maes, D. (2011). Incidence and prevention of early parturition in sows. REPRODUCTION IN DOMESTIC ANIMALS, 46(3), 428–433.
Vancouver
1.
Vanderhaeghe C, Dewulf J, Jourquin J, de Kruif A, Maes D. Incidence and prevention of early parturition in sows. REPRODUCTION IN DOMESTIC ANIMALS. 2011;46(3):428–33.
MLA
Vanderhaeghe, Caroline, Jeroen Dewulf, J Jourquin, et al. “Incidence and Prevention of Early Parturition in Sows.” REPRODUCTION IN DOMESTIC ANIMALS 46.3 (2011): 428–433. Print.