Risk factors for stillbirths in two swine farms in the south of Brazil

We evaluated stillbirth risk factors in two commercial swine farms of the Rio Grande do Sul State (south of Brazil). The study was conducted during 1 month in Farm A and during 2 months in Farm B, both during 1999. Data for all farrowings that occurred during the study period were recorded (101 for...

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Bibliographic Details
Published in:Preventive veterinary medicine 2002-04, Vol.53 (4), p.285-292
Main Authors: Lucia, Thomaz, Corrêa, Marcio N., Deschamps, João C., Bianchi, Ivan, Donin, Mauro A., Machado, Ana C., Meincke, Werner, Matheus, Jairo E.M.
Format: Article
Language:English
Subjects:
Animal Husbandry
Animals
Animals, Newborn
Birth Weight
Body Constitution
Body Weight
Brazil
Farrowing
Female
Fetal Death - etiology
Fetal Death - veterinary
Litter Size
Logistic Models
Oxytocin
Oxytocin - adverse effects
Parity
Pregnancy
Pregnancy Complications - veterinary
Risk Factors
Stillborn piglets
Swine - classification
Swine - physiology
Swine Diseases - etiology
Vaginal palpation
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Summary:We evaluated stillbirth risk factors in two commercial swine farms of the Rio Grande do Sul State (south of Brazil). The study was conducted during 1 month in Farm A and during 2 months in Farm B, both during 1999. Data for all farrowings that occurred during the study period were recorded (101 for Farm A and 373 for Farm B), without interference in the farm management. In Farm A, 39% of all litters born during the period of interest had stillborn piglets and the stillborn risk for piglets was 12%. In Farm B, 25% of all litters had stillborn piglets whereas the stillborn risk was 2%. Variables considered as potential risk factors for stillbirths were: parity (1, 2–3, 4+); breed (purebred or crossbred); sow body-condition (normal or fat); use of oxytocin during parturition (yes or no); obstetric intervention through vaginal palpation (yes or no); farrowing duration (
ISSN:0167-5877
1873-1716
DOI:10.1016/S0167-5877(01)00288-4