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| Description
| - The aim of this study was synchronization of oestrus in cows by simultaneous administration of PGF2α and GnRH. Synchronization of oestrus was repeated in 5 cows (group I) and 32 cows (group II and III). In total 15 synchronized sexual cycles were observed in group I. Oestrus was synchronized by administration of 500 µg of cloprostenol and 100 µg of lecirelin. The cows were examined by transrectal ultrasonography daily from the day of treatment to occurrence of a new luteal phase, and ovarian structures were evaluated in group I. The new follicular wave occurred on the day 3 or 4 in all synchronized sexual cycles and ovulation occurred in l synchronized cycle on the day 3, in 6 cycles between days 7 and 9 and in 6 cycles between days 10 and 17 in group I. Simultaneous administration of PGF2α and GnRH during the luteal phase of the sexual cycle does not represent a sufficiently efficient method of synchronization of oestrus. The majority of oestrus and ovulation occurs on days 3 and
- The aim of this study was synchronization of oestrus in cows by simultaneous administration of PGF2α and GnRH. Synchronization of oestrus was repeated in 5 cows (group I) and 32 cows (group II and III). In total 15 synchronized sexual cycles were observed in group I. Oestrus was synchronized by administration of 500 µg of cloprostenol and 100 µg of lecirelin. The cows were examined by transrectal ultrasonography daily from the day of treatment to occurrence of a new luteal phase, and ovarian structures were evaluated in group I. The new follicular wave occurred on the day 3 or 4 in all synchronized sexual cycles and ovulation occurred in l synchronized cycle on the day 3, in 6 cycles between days 7 and 9 and in 6 cycles between days 10 and 17 in group I. Simultaneous administration of PGF2α and GnRH during the luteal phase of the sexual cycle does not represent a sufficiently efficient method of synchronization of oestrus. The majority of oestrus and ovulation occurs on days 3 and (en)
- Cílem práce bylo synchronizovat říji u krav současnou aplikací PGF2α a GnRH. Synchronizace říje byla provedena opakovaně u 5 (skupina I) a u 32 krav (skupina II a III). Říje byla synchronizována současnou intramuskulární aplikací 500 µg cloprostenolu a 100 µg lecirelinu. Krávy byly vyšetřovány transrektální sonografií denně od ošetření do objevení se nové luteální fáze a byly hodnoceny ovariální struktury. Ve skupině I ve všech synchronizovaných pohlavních cyklech nastoupila nová folikulární vlna do 3. nebo 4. dne po ošetření a ovulace proběhla u 1 synchronizovaného cyklu v den 3, u 6 cyklů mezi 7. a 9. dnem a u 6 cyklů mezi 10. a 17. dnem. Současná aplikace PGF2α a GnRH během luteální fáze pohlavního cyklu nepředstavuje dostatečně účinnou metodu synchronizace říje u krav. Nicméně většina říjí a ovulací probíhá 3. a 8. den po ošetření. (cs)
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| Title
| - Effect of simultaneous administration of PGF2α and GnRH on follicular development, oestrus and the timing of ovulation in cows
- Effect of simultaneous administration of PGF2α and GnRH on follicular development, oestrus and the timing of ovulation in cows (en)
- Účinek součsné aplikace PGF2α a GnRH na folikulární vývoj, říji a dobu ovulace u krav (cs)
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| skos:prefLabel
| - Effect of simultaneous administration of PGF2α and GnRH on follicular development, oestrus and the timing of ovulation in cows
- Effect of simultaneous administration of PGF2α and GnRH on follicular development, oestrus and the timing of ovulation in cows (en)
- Účinek součsné aplikace PGF2α a GnRH na folikulární vývoj, říji a dobu ovulace u krav (cs)
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| skos:notation
| - RIV/62157124:16170/00:00000232!RIV06-MSM-16170___
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| http://linked.open.../vavai/riv/strany
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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...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/62157124:16170/00:00000232
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - cows; synchronisation of oestrus; follicular wave; ovulation (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Doležel, Radovan
- Zajíc, Josef
- Čech, Svatopluk
- Novotný, Robert
- Havlíček, Vítězslav
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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