Document Detail

Restriction of uterine space reduces litter size in feral Ossabaw swine.
MedLine Citation:
PMID:  6704474     Owner:  NLM     Status:  MEDLINE    
The influence of uterine crowding on litter size and the fetal capacity of the feral pig uterus were examined in a control (C) group and three groups of surgically altered feral (Ossabaw) gilts. The altered groups were unilaterally ovariectomized (UOX), unilaterally tubally ligated (UTL), or unilaterally hysterectomized-ovariectomized (UHOX). Litter sizes of C, UOX and UHOX at 30 days of gestation were similar and larger than the UTL group. At 45 days, litter size was reduced (P less than 0.06) in UHOX gilts. These results indicate that uterine capacity of feral swine is limiting after Day 30, and that the maximum litter size for the feral pig is 8 to 10.
D R Hagen; C P Shuey; J L Watkins
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Biology of reproduction     Volume:  30     ISSN:  0006-3363     ISO Abbreviation:  Biol. Reprod.     Publication Date:  1984 Mar 
Date Detail:
Created Date:  1984-05-10     Completed Date:  1984-05-10     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0207224     Medline TA:  Biol Reprod     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  423-6     Citation Subset:  IM    
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MeSH Terms
Fallopian Tubes / physiology
Litter Size*
Ovary / physiology
Swine / anatomy & histology*
Uterus / anatomy & histology*,  physiology

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