The influence of ovulation rate on subsequent litter size in sows.

The influence of ovulation rate on subsequent litter size in sows. Research Abstract Details 

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The influence of ovulation rate on subsequent litter size in sows. Abstract Text:

R H King,I H Williams,

Data were collected from 318 pregnant sows (Large White, Landrace or crossbred), which had been weaned from their first litter, to determine the relationship between ovulation rate (OR) and subsequent litter size (total born alive - TBA). Laparoscopy was performed on sows 7 to 14 days after mating to determine OR, and subsequent litter size (TBA) was recorded. Mean (+/-SE) ovulation rate, litter size (TBA) and foetal survival (FS) was 14.56+/-0.19, 9.00 +/- 0.16 and 63.5+/-1.1%, respectively. Regressions of TBA against OR and FS against OR were best fitted by a linear function which indicated that litter size of first-litter sows was limited by ovulation rate up to at least 23 ova. The respective linear regressions were:

The influence of ovulation rate on subsequent litter size in sows. Publishing Authors By Initials

RH King,IH Williams,

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The influence of ovulation rate on subsequent litter size in sows. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Theriogenology

VOLUME: 21

Page Numbers: 677-80

Journal Abbreviation: Theriogenology

ISSN: 0093-691X

DAY: 26

MONTH: Apr

YEAR: 1984

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LANGUAGE: eng

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AFFILIATION: Department of Animal Science University of Western Australia Nedlands, W.A. 6009, Australia.

Country: United States

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MEDLINETA: Theriogenology

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