CORPUS-LUTEUM SIZE AND PLASMA PROGESTERONE LEVELS IN CATTLE AFTER CLOPROSTENOL-INDUCED LUTEOLYSIS

被引：60

作者：

ASSEY, RJ ^{[1
]}

PURWANTARA, B ^{[1
]}

GREVE, T ^{[1
]}

HYTTEL, P ^{[1
]}

SCHMIDT, MH ^{[1
]}

机构：

[1] ROYAL VET & AGR UNIV,DEPT CLIN STUDIES REPROD,DK-1870 FREDERIKSBERG C,DENMARK

来源：

THERIOGENOLOGY | 1993年 / 39卷 / 06期

关键词：

PROGESTERONE; CORPUS LUTEUM; ULTRASONOGRAPHY; CATTLE;

D O I：

10.1016/0093-691X(93)90234-V

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Heifers (n = 11) and cows (n = 6) which had a well-developed corpus luteum (CL) were injected with cloprostenol, and the ultrasonographic CL size (in mm) and plasma progesterone (P4) concentrations (ng/ml) were studied up to Day 7 of the following cycle. Heifers and cows had a correlation coefficient of 0.49 (P<0.05) and 0.26 (P>0.1), respectively, between CL size and plasma P4 concentrations during luteal regression. During the subsequent luteal development, the correlation was 0.47 (P<0.001) in heifers and 0.41 (P<0.01) in cows. It is concluded that ultrasonographic assessment of the CL size is a reliable method for estimating peripheral plasma P4 levels during cloprostenol-induced CL regression and subsequent development in heifers, while the same estimate can only be made during CL development in cows.

引用

页码：1321 / 1330

页数：10

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