Document Detail

Effect of periparturient diseases accompanied by excessive vulval discharge and weaning to mating interval on sow reproductive performance.
MedLine Citation:
PMID:  12398316     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To evaluate the effect of periparturient disease accompanied by vulval discharge, and weaning-to-mating intervals, on sow fertility and litter size.
DESIGN REPRODUCTIVE: data were collected and analysed from 19 Hungarian swine herds over a 4 year period. Conception rates, farrowing rates and litter sizes of sows with periparturient disease accompanied by vulval discharge were used to evaluate the relationship between duration of vulval discharge and subsequent fertility and litter size. The possibility of interactions between weaning-to-mating intervals and duration of vulval discharges was investigated to determine if there was any effect on subsequent fertility and litter size.
RESULTS AND CONCLUSIONS: Both parity 1 and parity 2 to 8 sows having had periparturient disease accompanied by vulval discharge in excess of 6 days duration had significantly (P < 0.001) lower subsequent fertility (conception, farrowing and adjusted farrowing rates) compared with sows of similar parity where the duration of vulval discharge was < 4 or 4 to 6 days. There was no difference in fertility rates between sows, in both parity categories, with vulval discharge for < 4 days compared with 4 to 6 days. A duration of vulval discharge in excess of 6 days in parity 1 sows significantly reduced litter size (total born and live-born) in subsequent farrowings, but not in parity 2 to 8 sows. There was no interaction between the duration of vulval discharge and post-weaning to mating intervals. However sows with weaning to mating intervals between 7 and 10 days had smaller (P < 0.001) subsequent litter sizes compared with 3 to 6 or 11 to 14 day intervals. It was concluded that the duration of vulval discharge in excess of 6 days was an indication of a severe persistent endometritis adversely affecting fertility of sows.
C M Waller; G Bilkei; R D A Cameron
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Australian veterinary journal     Volume:  80     ISSN:  0005-0423     ISO Abbreviation:  Aust. Vet. J.     Publication Date:  2002 Sep 
Date Detail:
Created Date:  2002-10-25     Completed Date:  2002-11-26     Revised Date:  2013-07-15    
Medline Journal Info:
Nlm Unique ID:  0370616     Medline TA:  Aust Vet J     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  545-9     Citation Subset:  IM    
PAPP, Pecs, Hungary.
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MeSH Terms
Hungary / epidemiology
Lactation Disorders / epidemiology,  veterinary*
Litter Size
Mastitis / epidemiology,  veterinary*
Postpartum Period
Pregnancy Outcome / veterinary
Pregnancy, Animal / physiology
Reproduction / physiology*
Swine / physiology*
Swine Diseases / epidemiology*,  physiopathology
Vulva / secretion

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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