| Attributes | Values |
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| rdf:type
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| Description
| - Induction of an accessory corpus luteum in cows after insemination can have a beneficial effect on progesterone concentration and conception rate. The object of this study was to evaluate the treatment effect of several factors. The induction was performed by intramuscular administration of GnRH (lecirelin) in 414 cows bearingone corpus luteum on day 7 or 13 after insemination. Transrectal ultrasonography was performed on the day of treatment (detection of corpus luteum and evaluation of the largest follicle) and 25- 39 days (detection of pregnancy and number of corpora lutea) after the insemination. Occurrence of 2 (rarely 3) corpora lutea was evaluated inrelation to time of the treatment (day 7 vs. 13), diameter of the largest follicle at the treatment (?9 mm vs. 10-14 mm vs. 15-20 mm), breed and yielding (crossbreeds of Czech Fleckvieh, 7000-7500 l vs. Holstein 8500-9000 l), parity (primipara vs. pluripara), quality of estrus (spontaneous vs. synchronized) and sequence of the insemination (1st vs. 2nd or 3rd vs.?4th). Significant differences were only found in time of the treatment (d7 54.2% vs. d13 24.7%, p{0.001) and diameter of the largest follicle (10-14 mm 48.2% or 15-20 mm 55.6% vs. ?9 mm 6.7%, p=0.01 and p=0.06). Efficiency of the induction of an accessory corpus luteum was influenced only by the time of treatment and the diameter of the largest follicle at the moment of the treatment.
- Induction of an accessory corpus luteum in cows after insemination can have a beneficial effect on progesterone concentration and conception rate. The object of this study was to evaluate the treatment effect of several factors. The induction was performed by intramuscular administration of GnRH (lecirelin) in 414 cows bearingone corpus luteum on day 7 or 13 after insemination. Transrectal ultrasonography was performed on the day of treatment (detection of corpus luteum and evaluation of the largest follicle) and 25- 39 days (detection of pregnancy and number of corpora lutea) after the insemination. Occurrence of 2 (rarely 3) corpora lutea was evaluated inrelation to time of the treatment (day 7 vs. 13), diameter of the largest follicle at the treatment (?9 mm vs. 10-14 mm vs. 15-20 mm), breed and yielding (crossbreeds of Czech Fleckvieh, 7000-7500 l vs. Holstein 8500-9000 l), parity (primipara vs. pluripara), quality of estrus (spontaneous vs. synchronized) and sequence of the insemination (1st vs. 2nd or 3rd vs.?4th). Significant differences were only found in time of the treatment (d7 54.2% vs. d13 24.7%, p{0.001) and diameter of the largest follicle (10-14 mm 48.2% or 15-20 mm 55.6% vs. ?9 mm 6.7%, p=0.01 and p=0.06). Efficiency of the induction of an accessory corpus luteum was influenced only by the time of treatment and the diameter of the largest follicle at the moment of the treatment. (en)
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| Title
| - Factors influencing induction of accessory corpus luteum by GnRH in inseminated cows
- Factors influencing induction of accessory corpus luteum by GnRH in inseminated cows (en)
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| skos:prefLabel
| - Factors influencing induction of accessory corpus luteum by GnRH in inseminated cows
- Factors influencing induction of accessory corpus luteum by GnRH in inseminated cows (en)
|
| skos:notation
| - RIV/62157124:16170/14:43873333!RIV15-MSM-16170___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
| |
| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
| |
| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
| |
| http://linked.open...ai/riv/idVysledku
| - RIV/62157124:16170/14:43873333
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - cow; accessory corpus luteum; Gonadotropin releasing hormone (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
| |
| http://linked.open...UplatneniVysledku
| |
| http://linked.open...iv/tvurceVysledku
| - Doležel, Radovan
- Páleník, Tomáš
- Čech, Svatopluk
- Musilová, Darja
- Bartoněk, Jiří
|
| http://localhost/t...ganizacniJednotka
| |
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