Journal of Veterinary Medical Science
Online ISSN : 1347-7439
Print ISSN : 0916-7250
ISSN-L : 0916-7250
Maternal Plasma Estrone Sulfate Profile during Pregnancy in the Cow;Comparison between Singleton and Twin Pregnancies
Toru TAKAHASHIMakoto HIRAKOHitomi TAKAHASHIOsman V. PATELNaoki TAKENOUCHIIkuo DOMEKI
著者情報
キーワード: cattle, estrone sulfate, twin
ジャーナル フリー

1997 年 59 巻 4 号 p. 287-288

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Peripheral plasma estrone sulfate (E1-S) concentrations were characterized throughout gestation in singleton and twin bearing cows by a direct radioimmunoassay method. Maternal plasma E1-S was detectable from around day 100 and after that its concentration increased progressively to term in both singleton (n=5) and twin bearing (n=5) cows. Twin bearing cows had a significantly higher E1-S concentrations in some time from mid-gestation to term when compared to singleton cows. E1-S concentration in the twin bearing cows increased rapidly in the third trimester and peaked (16.7 ng/ml) on the day of calving. In the singleton cows the concentration increased gradually and peaked (7.1 ng/ml) about 10 days before calving and then subsequently decreased. Our results indicate that singleton and twin bearing cows show a disparate E1-S profile from mid-gestation to term.

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この記事はクリエイティブ・コモンズ [表示 - 非営利 - 改変禁止 4.0 国際]ライセンスの下に提供されています。
https://creativecommons.org/licenses/by-nc-nd/4.0/deed.ja
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