Radioimmunoassay and enzymeimmunoassay of plasma progesterone as monitors of progesterone sponge treatment in ewes
The daily plasma progesterone (P) concentrations achieved during insertion of P (750 mg) sponges into two groups of ewes were examined. Group I received prostaglandin (PG) treatment, which was required to suppress the P production (to levels of < 0.3 ng hormone/ml plasma) from the corpora lutea (...
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| Autor*in: |
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E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1988 |
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| Reproduktion: |
Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 |
|---|---|
| Übergeordnetes Werk: |
in: Theriogenology - Amsterdam : Elsevier, 30(1988), 2, Seite 303-321 |
| Übergeordnetes Werk: |
volume:30 ; year:1988 ; number:2 ; pages:303-321 |
| Links: |
|---|
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NLEJ188931449 |
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| 245 | 1 | 0 | |a Radioimmunoassay and enzymeimmunoassay of plasma progesterone as monitors of progesterone sponge treatment in ewes |
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| 520 | |a The daily plasma progesterone (P) concentrations achieved during insertion of P (750 mg) sponges into two groups of ewes were examined. Group I received prostaglandin (PG) treatment, which was required to suppress the P production (to levels of < 0.3 ng hormone/ml plasma) from the corpora lutea (CL) of a previous superovulation treatment, following which these Group I ewes and the anestrous Group II ewes were sponge treated. Radioimmunoassay (RIA) and enzymeimmunoassay (EIA) were used to measure the P levels in both groups.Progesterone (750 mg) sponges with and without citric acid impregnation were inserted into all the ewes for 12 days (d). Citric acid lowered the P levels reaching the plasma from the sponges, but it did not mask the characteristic profile (during the treatments) determined by the states of the ewes (single PG and double PG injected, Group I or in the anestrous Group II). The plasma P levels in Group I and II ewes rose to at least 7.0 ng/ml at intervals during treatment. The duration and magnitude of the P concentrations in the plasma were higher in the single PG compared with the double PG ewes during sponge insertion in Group I. The anestrous Group II ewes showed two major peaks (Day 1, P<0.01 and Days 11 to 12, P<0.05) during sponge treatment. A P level > 2.0 ng/ml was maintained over the entire treatment in the single PG and in the anestrous hormone-treated ewes, and was of shorter duration (7 d) in the double PG-treated animals. These endogenous patterns in P profiles of the ewes indicate that the hormone level during sponge insertion varies in magnitude and duration, parameters determined by the physiological/endocrinological state of the ewes at the start of the treatment.The EIA correlated significantly (P<0.001) with the RIA for the measurement of P concentration, when analyzed daily on an individual animal basis. | ||
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| 700 | 1 | |a Mullins, S. |4 oth | |
| 700 | 1 | |a Gordon, A.C. |4 oth | |
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(DE-627)NLEJ188931449 (DE-599)GBVNLZ188931449 DE-627 ger DE-627 rakwb eng Radioimmunoassay and enzymeimmunoassay of plasma progesterone as monitors of progesterone sponge treatment in ewes 1988 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The daily plasma progesterone (P) concentrations achieved during insertion of P (750 mg) sponges into two groups of ewes were examined. Group I received prostaglandin (PG) treatment, which was required to suppress the P production (to levels of < 0.3 ng hormone/ml plasma) from the corpora lutea (CL) of a previous superovulation treatment, following which these Group I ewes and the anestrous Group II ewes were sponge treated. Radioimmunoassay (RIA) and enzymeimmunoassay (EIA) were used to measure the P levels in both groups.Progesterone (750 mg) sponges with and without citric acid impregnation were inserted into all the ewes for 12 days (d). Citric acid lowered the P levels reaching the plasma from the sponges, but it did not mask the characteristic profile (during the treatments) determined by the states of the ewes (single PG and double PG injected, Group I or in the anestrous Group II). The plasma P levels in Group I and II ewes rose to at least 7.0 ng/ml at intervals during treatment. The duration and magnitude of the P concentrations in the plasma were higher in the single PG compared with the double PG ewes during sponge insertion in Group I. The anestrous Group II ewes showed two major peaks (Day 1, P<0.01 and Days 11 to 12, P<0.05) during sponge treatment. A P level > 2.0 ng/ml was maintained over the entire treatment in the single PG and in the anestrous hormone-treated ewes, and was of shorter duration (7 d) in the double PG-treated animals. These endogenous patterns in P profiles of the ewes indicate that the hormone level during sponge insertion varies in magnitude and duration, parameters determined by the physiological/endocrinological state of the ewes at the start of the treatment.The EIA correlated significantly (P<0.001) with the RIA for the measurement of P concentration, when analyzed daily on an individual animal basis. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Mac Donnell, H.F. oth Mullins, S. oth Gordon, A.C. oth in Theriogenology Amsterdam : Elsevier 30(1988), 2, Seite 303-321 (DE-627)NLEJ176881344 (DE-600)1498777-6 0093-691X nnns volume:30 year:1988 number:2 pages:303-321 http://dx.doi.org/10.1016/0093-691X(88)90179-3 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 30 1988 2 303-321 |
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(DE-627)NLEJ188931449 (DE-599)GBVNLZ188931449 DE-627 ger DE-627 rakwb eng Radioimmunoassay and enzymeimmunoassay of plasma progesterone as monitors of progesterone sponge treatment in ewes 1988 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The daily plasma progesterone (P) concentrations achieved during insertion of P (750 mg) sponges into two groups of ewes were examined. Group I received prostaglandin (PG) treatment, which was required to suppress the P production (to levels of < 0.3 ng hormone/ml plasma) from the corpora lutea (CL) of a previous superovulation treatment, following which these Group I ewes and the anestrous Group II ewes were sponge treated. Radioimmunoassay (RIA) and enzymeimmunoassay (EIA) were used to measure the P levels in both groups.Progesterone (750 mg) sponges with and without citric acid impregnation were inserted into all the ewes for 12 days (d). Citric acid lowered the P levels reaching the plasma from the sponges, but it did not mask the characteristic profile (during the treatments) determined by the states of the ewes (single PG and double PG injected, Group I or in the anestrous Group II). The plasma P levels in Group I and II ewes rose to at least 7.0 ng/ml at intervals during treatment. The duration and magnitude of the P concentrations in the plasma were higher in the single PG compared with the double PG ewes during sponge insertion in Group I. The anestrous Group II ewes showed two major peaks (Day 1, P<0.01 and Days 11 to 12, P<0.05) during sponge treatment. A P level > 2.0 ng/ml was maintained over the entire treatment in the single PG and in the anestrous hormone-treated ewes, and was of shorter duration (7 d) in the double PG-treated animals. These endogenous patterns in P profiles of the ewes indicate that the hormone level during sponge insertion varies in magnitude and duration, parameters determined by the physiological/endocrinological state of the ewes at the start of the treatment.The EIA correlated significantly (P<0.001) with the RIA for the measurement of P concentration, when analyzed daily on an individual animal basis. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Mac Donnell, H.F. oth Mullins, S. oth Gordon, A.C. oth in Theriogenology Amsterdam : Elsevier 30(1988), 2, Seite 303-321 (DE-627)NLEJ176881344 (DE-600)1498777-6 0093-691X nnns volume:30 year:1988 number:2 pages:303-321 http://dx.doi.org/10.1016/0093-691X(88)90179-3 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 30 1988 2 303-321 |
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(DE-627)NLEJ188931449 (DE-599)GBVNLZ188931449 DE-627 ger DE-627 rakwb eng Radioimmunoassay and enzymeimmunoassay of plasma progesterone as monitors of progesterone sponge treatment in ewes 1988 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The daily plasma progesterone (P) concentrations achieved during insertion of P (750 mg) sponges into two groups of ewes were examined. Group I received prostaglandin (PG) treatment, which was required to suppress the P production (to levels of < 0.3 ng hormone/ml plasma) from the corpora lutea (CL) of a previous superovulation treatment, following which these Group I ewes and the anestrous Group II ewes were sponge treated. Radioimmunoassay (RIA) and enzymeimmunoassay (EIA) were used to measure the P levels in both groups.Progesterone (750 mg) sponges with and without citric acid impregnation were inserted into all the ewes for 12 days (d). Citric acid lowered the P levels reaching the plasma from the sponges, but it did not mask the characteristic profile (during the treatments) determined by the states of the ewes (single PG and double PG injected, Group I or in the anestrous Group II). The plasma P levels in Group I and II ewes rose to at least 7.0 ng/ml at intervals during treatment. The duration and magnitude of the P concentrations in the plasma were higher in the single PG compared with the double PG ewes during sponge insertion in Group I. The anestrous Group II ewes showed two major peaks (Day 1, P<0.01 and Days 11 to 12, P<0.05) during sponge treatment. A P level > 2.0 ng/ml was maintained over the entire treatment in the single PG and in the anestrous hormone-treated ewes, and was of shorter duration (7 d) in the double PG-treated animals. These endogenous patterns in P profiles of the ewes indicate that the hormone level during sponge insertion varies in magnitude and duration, parameters determined by the physiological/endocrinological state of the ewes at the start of the treatment.The EIA correlated significantly (P<0.001) with the RIA for the measurement of P concentration, when analyzed daily on an individual animal basis. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Mac Donnell, H.F. oth Mullins, S. oth Gordon, A.C. oth in Theriogenology Amsterdam : Elsevier 30(1988), 2, Seite 303-321 (DE-627)NLEJ176881344 (DE-600)1498777-6 0093-691X nnns volume:30 year:1988 number:2 pages:303-321 http://dx.doi.org/10.1016/0093-691X(88)90179-3 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 30 1988 2 303-321 |
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(DE-627)NLEJ188931449 (DE-599)GBVNLZ188931449 DE-627 ger DE-627 rakwb eng Radioimmunoassay and enzymeimmunoassay of plasma progesterone as monitors of progesterone sponge treatment in ewes 1988 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The daily plasma progesterone (P) concentrations achieved during insertion of P (750 mg) sponges into two groups of ewes were examined. Group I received prostaglandin (PG) treatment, which was required to suppress the P production (to levels of < 0.3 ng hormone/ml plasma) from the corpora lutea (CL) of a previous superovulation treatment, following which these Group I ewes and the anestrous Group II ewes were sponge treated. Radioimmunoassay (RIA) and enzymeimmunoassay (EIA) were used to measure the P levels in both groups.Progesterone (750 mg) sponges with and without citric acid impregnation were inserted into all the ewes for 12 days (d). Citric acid lowered the P levels reaching the plasma from the sponges, but it did not mask the characteristic profile (during the treatments) determined by the states of the ewes (single PG and double PG injected, Group I or in the anestrous Group II). The plasma P levels in Group I and II ewes rose to at least 7.0 ng/ml at intervals during treatment. The duration and magnitude of the P concentrations in the plasma were higher in the single PG compared with the double PG ewes during sponge insertion in Group I. The anestrous Group II ewes showed two major peaks (Day 1, P<0.01 and Days 11 to 12, P<0.05) during sponge treatment. A P level > 2.0 ng/ml was maintained over the entire treatment in the single PG and in the anestrous hormone-treated ewes, and was of shorter duration (7 d) in the double PG-treated animals. These endogenous patterns in P profiles of the ewes indicate that the hormone level during sponge insertion varies in magnitude and duration, parameters determined by the physiological/endocrinological state of the ewes at the start of the treatment.The EIA correlated significantly (P<0.001) with the RIA for the measurement of P concentration, when analyzed daily on an individual animal basis. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Mac Donnell, H.F. oth Mullins, S. oth Gordon, A.C. oth in Theriogenology Amsterdam : Elsevier 30(1988), 2, Seite 303-321 (DE-627)NLEJ176881344 (DE-600)1498777-6 0093-691X nnns volume:30 year:1988 number:2 pages:303-321 http://dx.doi.org/10.1016/0093-691X(88)90179-3 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 30 1988 2 303-321 |
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(DE-627)NLEJ188931449 (DE-599)GBVNLZ188931449 DE-627 ger DE-627 rakwb eng Radioimmunoassay and enzymeimmunoassay of plasma progesterone as monitors of progesterone sponge treatment in ewes 1988 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The daily plasma progesterone (P) concentrations achieved during insertion of P (750 mg) sponges into two groups of ewes were examined. Group I received prostaglandin (PG) treatment, which was required to suppress the P production (to levels of < 0.3 ng hormone/ml plasma) from the corpora lutea (CL) of a previous superovulation treatment, following which these Group I ewes and the anestrous Group II ewes were sponge treated. Radioimmunoassay (RIA) and enzymeimmunoassay (EIA) were used to measure the P levels in both groups.Progesterone (750 mg) sponges with and without citric acid impregnation were inserted into all the ewes for 12 days (d). Citric acid lowered the P levels reaching the plasma from the sponges, but it did not mask the characteristic profile (during the treatments) determined by the states of the ewes (single PG and double PG injected, Group I or in the anestrous Group II). The plasma P levels in Group I and II ewes rose to at least 7.0 ng/ml at intervals during treatment. The duration and magnitude of the P concentrations in the plasma were higher in the single PG compared with the double PG ewes during sponge insertion in Group I. The anestrous Group II ewes showed two major peaks (Day 1, P<0.01 and Days 11 to 12, P<0.05) during sponge treatment. A P level > 2.0 ng/ml was maintained over the entire treatment in the single PG and in the anestrous hormone-treated ewes, and was of shorter duration (7 d) in the double PG-treated animals. These endogenous patterns in P profiles of the ewes indicate that the hormone level during sponge insertion varies in magnitude and duration, parameters determined by the physiological/endocrinological state of the ewes at the start of the treatment.The EIA correlated significantly (P<0.001) with the RIA for the measurement of P concentration, when analyzed daily on an individual animal basis. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Mac Donnell, H.F. oth Mullins, S. oth Gordon, A.C. oth in Theriogenology Amsterdam : Elsevier 30(1988), 2, Seite 303-321 (DE-627)NLEJ176881344 (DE-600)1498777-6 0093-691X nnns volume:30 year:1988 number:2 pages:303-321 http://dx.doi.org/10.1016/0093-691X(88)90179-3 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 30 1988 2 303-321 |
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radioimmunoassay and enzymeimmunoassay of plasma progesterone as monitors of progesterone sponge treatment in ewes |
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Radioimmunoassay and enzymeimmunoassay of plasma progesterone as monitors of progesterone sponge treatment in ewes |
| abstract |
The daily plasma progesterone (P) concentrations achieved during insertion of P (750 mg) sponges into two groups of ewes were examined. Group I received prostaglandin (PG) treatment, which was required to suppress the P production (to levels of < 0.3 ng hormone/ml plasma) from the corpora lutea (CL) of a previous superovulation treatment, following which these Group I ewes and the anestrous Group II ewes were sponge treated. Radioimmunoassay (RIA) and enzymeimmunoassay (EIA) were used to measure the P levels in both groups.Progesterone (750 mg) sponges with and without citric acid impregnation were inserted into all the ewes for 12 days (d). Citric acid lowered the P levels reaching the plasma from the sponges, but it did not mask the characteristic profile (during the treatments) determined by the states of the ewes (single PG and double PG injected, Group I or in the anestrous Group II). The plasma P levels in Group I and II ewes rose to at least 7.0 ng/ml at intervals during treatment. The duration and magnitude of the P concentrations in the plasma were higher in the single PG compared with the double PG ewes during sponge insertion in Group I. The anestrous Group II ewes showed two major peaks (Day 1, P<0.01 and Days 11 to 12, P<0.05) during sponge treatment. A P level > 2.0 ng/ml was maintained over the entire treatment in the single PG and in the anestrous hormone-treated ewes, and was of shorter duration (7 d) in the double PG-treated animals. These endogenous patterns in P profiles of the ewes indicate that the hormone level during sponge insertion varies in magnitude and duration, parameters determined by the physiological/endocrinological state of the ewes at the start of the treatment.The EIA correlated significantly (P<0.001) with the RIA for the measurement of P concentration, when analyzed daily on an individual animal basis. |
| abstractGer |
The daily plasma progesterone (P) concentrations achieved during insertion of P (750 mg) sponges into two groups of ewes were examined. Group I received prostaglandin (PG) treatment, which was required to suppress the P production (to levels of < 0.3 ng hormone/ml plasma) from the corpora lutea (CL) of a previous superovulation treatment, following which these Group I ewes and the anestrous Group II ewes were sponge treated. Radioimmunoassay (RIA) and enzymeimmunoassay (EIA) were used to measure the P levels in both groups.Progesterone (750 mg) sponges with and without citric acid impregnation were inserted into all the ewes for 12 days (d). Citric acid lowered the P levels reaching the plasma from the sponges, but it did not mask the characteristic profile (during the treatments) determined by the states of the ewes (single PG and double PG injected, Group I or in the anestrous Group II). The plasma P levels in Group I and II ewes rose to at least 7.0 ng/ml at intervals during treatment. The duration and magnitude of the P concentrations in the plasma were higher in the single PG compared with the double PG ewes during sponge insertion in Group I. The anestrous Group II ewes showed two major peaks (Day 1, P<0.01 and Days 11 to 12, P<0.05) during sponge treatment. A P level > 2.0 ng/ml was maintained over the entire treatment in the single PG and in the anestrous hormone-treated ewes, and was of shorter duration (7 d) in the double PG-treated animals. These endogenous patterns in P profiles of the ewes indicate that the hormone level during sponge insertion varies in magnitude and duration, parameters determined by the physiological/endocrinological state of the ewes at the start of the treatment.The EIA correlated significantly (P<0.001) with the RIA for the measurement of P concentration, when analyzed daily on an individual animal basis. |
| abstract_unstemmed |
The daily plasma progesterone (P) concentrations achieved during insertion of P (750 mg) sponges into two groups of ewes were examined. Group I received prostaglandin (PG) treatment, which was required to suppress the P production (to levels of < 0.3 ng hormone/ml plasma) from the corpora lutea (CL) of a previous superovulation treatment, following which these Group I ewes and the anestrous Group II ewes were sponge treated. Radioimmunoassay (RIA) and enzymeimmunoassay (EIA) were used to measure the P levels in both groups.Progesterone (750 mg) sponges with and without citric acid impregnation were inserted into all the ewes for 12 days (d). Citric acid lowered the P levels reaching the plasma from the sponges, but it did not mask the characteristic profile (during the treatments) determined by the states of the ewes (single PG and double PG injected, Group I or in the anestrous Group II). The plasma P levels in Group I and II ewes rose to at least 7.0 ng/ml at intervals during treatment. The duration and magnitude of the P concentrations in the plasma were higher in the single PG compared with the double PG ewes during sponge insertion in Group I. The anestrous Group II ewes showed two major peaks (Day 1, P<0.01 and Days 11 to 12, P<0.05) during sponge treatment. A P level > 2.0 ng/ml was maintained over the entire treatment in the single PG and in the anestrous hormone-treated ewes, and was of shorter duration (7 d) in the double PG-treated animals. These endogenous patterns in P profiles of the ewes indicate that the hormone level during sponge insertion varies in magnitude and duration, parameters determined by the physiological/endocrinological state of the ewes at the start of the treatment.The EIA correlated significantly (P<0.001) with the RIA for the measurement of P concentration, when analyzed daily on an individual animal basis. |
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