Restriction of uterine space reduces litter size in feral Ossabaw swine.

D. R. Hagen; C. P. Shuey; J. L. Watkins

doi:10.1095/biolreprod30.2.423

Restriction of uterine space reduces litter size in feral Ossabaw swine.

D. R. Hagen, C. P. Shuey, J. L. Watkins

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4 Scopus citations

Abstract

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.

Original language	English (US)
Pages (from-to)	423-426
Number of pages	4
Journal	Biology of reproduction
Volume	30
Issue number	2
DOIs	https://doi.org/10.1095/biolreprod30.2.423
State	Published - Mar 1984

All Science Journal Classification (ASJC) codes

Reproductive Medicine
Cell Biology

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10.1095/biolreprod30.2.423

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title = "Restriction of uterine space reduces litter size in feral Ossabaw swine.",

abstract = "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.",

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AU - Watkins, J. L.

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N2 - 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.

AB - 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.

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Restriction of uterine space reduces litter size in feral Ossabaw swine.

Abstract

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