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Abstract

Progesterone treatments are used to increase submission rates in postpartum dairy cows; however, in many cases the protocol is used as a blanket therapy for all cows without regard for physiological or disease state. The objective of this study was to identify the physiological or disease classes...

Author(s)
McNally, J. C.; Crowe, M. A.; Roche, J. F.; Beltman, M. E.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2014, 82, 9, pp 1263-1272
Abstract

Progesterone-induced blocking factor (PIBF) and galectins modulate the maternal immune response during pregnancy. We hypothesized that the relative transcript abundance of the above genes would be different during the luteal phase/early pregnancy and would be affected by progesterone...

Author(s)
Okumu, L. A.; Fair, T.; Szekeres-Bartho, J.; O'Doherty, A. M.; Crowe, M. A.; Roche, J. F.; Lonergan, P.; Forde, N.
Publisher
American Physiological Society, Bethesda, USA
Citation
Physiological Genomics, 2011, 43, 14, pp 903-910
Abstract

Higher systemic progesterone in the immediate post-conception period is associated with an increase in embryonic growth rate, interferon-tau production and pregnancy rate in cattle. The objective of this study was to examine the effect of increasing progesterone concentration on Day 3 on subsequent ...

Author(s)
Carter, F.; Forde, N.; Duffy, P.; Wade, M.; Fair, T.; Crowe, M. A.; Evans, A. C. O.; Kenny, D. A.; Roche, J. F.; Lonergan, P.
Publisher
CSIRO Publishing, Collingwood, Australia
Citation
Reproduction, Fertility and Development, 2008, 20, 3, pp 368-375
Abstract

The effect of supplementary progesterone in conjunction with pig FSH on the induction of superovulation was studied in heifers synchronized with PGF at the mid-cycle stage or a progesterone-releasing intravaginal device (PRID) inserted at different phases of the cycle. The effects of site of ...

Author(s)
Goulding, D.; Williams, D. H.; Roche, J. F.; Boland, M. P.
Citation
Journal of Reproduction and Fertility, 1994, 100, 2, pp 505-510
Abstract

Data from 228 herds with low NR rates were analysed by computer. The percentage of herds in which low NR rate was attributed to the inseminator, the AI bull, the natural service bull and inaccuracy of oestrus detection was 91, 12, 25 and 6 resp. In 60% of herds, milk yield was considered to have...

Author(s)
O'Gorman, J.; Bourke, S.; Roche, J. F.
Publisher
University College Dublin, Dublin, Irish Republic
Citation
11th International Congress on Animal Reproduction and Artificial Insemination, University College Dublin, Ireland, June 26-30 1988. Volume 3. Brief communications., 1988, Paper No. 278, pp 3pp.
Abstract

In 463 cows from 5 herds, the interval from calving to the 1st increase in progesterone concentration of milk averaged 30.6±0.94 days, calving to 1st oestrus 55 days (residual standard deviation = 29 days), calving to 1st service 67±29 days, calving to conception 87±41 days, 1st-service CR 52%...

Author(s)
Fagan, J. G.; Roche, J. F.
Publisher
University College Dublin, Dublin, Irish Republic
Citation
11th International Congress on Animal Reproduction and Artificial Insemination, University College Dublin, Ireland, June 26-30 1988. Volume 2. Brief communications., 1988, Paper No. 28, pp 3pp.
Abstract

In a field trial involving 469 cows, calving rates were similar for cows inseminated at oestrus detected during a 24-day observation period (49%), cows given 2 injections of cloprostenol 12 days apart and inseminated at a detected oestrus (45%), and cows double-inseminated 72 + 96 h after the 2nd...

Author(s)
Roche, J. F.; Prendiville, D. J.
Publisher
Dublin., Irish Republic
Citation
Irish Republic, Agricultural Institute, Dublin: Animal production. Report from Dunsinea, Moorepark and Western Research Centres. Research report 1977., 1979, pp 39-40
Abstract

181 cows were inseminated after a 12-day treatment with a PRID (progesterone-releasing intravaginal device); the used coil was re-inserted into 89 of them 16 days after AI, and was left in place for 7 days. For the group given 1 PRID treatment, the number of repeat oestrous periods observed on days ...

Author(s)
Roche, J. F.
Publisher
Dublin., Irish Republic
Citation
Irish Republic, Agricultural Institute, Dublin: Animal production. Report from Dunsinea, Moorepark and Western Research Centres. Research report 1977., 1979, pp 38-39
Abstract

After treatment for 12 days with a PRID (progesterone-releasing intravaginal device) having a capsule containing 10 mg oestradiol benzoate attached, 42 out of 82 Friesian cows calved to AI 56 h after PRID removal, and 36 out of 72 calved to double AI at 56 + 74 h; corresponding results for cows...

Author(s)
Roche, J. F.
Publisher
Dublin., Irish Republic
Citation
Irish Republic, Agricultural Institute, Dublin: Animal production. Report from Dunsinea, Moorepark and Western Research Centres. Research report 1977., 1979, pp 36-37
Abstract

Trials were carried out on 1184 dairy cows which had calved at least 6 wk before treatment, and on 255 heifers, to determine the effectiveness of cloprostenol to control oestrus. In trial 1, following 2 injections of cloprostenol given 12 days apart, there was no difference in calving rate...

Author(s)
Roche, J. F.; Prendiville, D. J.
Citation
Theriogenology, 1979, 11, 2, pp 153-162

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