2011
DOI: 10.1055/s-0038-1623077
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Effect of CIDR® on 4-day-service-rate, pregnancy rate and vaginal irritation in dairy heifers

Abstract: Zusammenfassung Ziel dieser Studie war der Vergleich von Reproduktionsparametern zwischen zwei Synchronisationsprogrammen bei Färsen in Deutschland. Material und Methoden: Insgesamt 191 Färsen der Rasse Holstein Frisian wurden zufällig in zwei Studiengruppen eingeteilt (Tag 0). Den Färsen der Versuchsgruppe CIDR (n = 93) wurde am Tag 0 ein intravaginales Progesteronfreisetzungssystem (Eazi-BreedTM CIDR®, Pfizer Pharma GmbH; enthält 1,38 g Progesteron) für 7 Tage eingesetzt. Am Tag 7 erhielten die Tie… Show more

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Cited by 3 publications
(2 citation statements)
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“…These findings were expected because it is known that insertion of IVG P4-releasing devices such as the PRID and CIDR-B might result in mucopurulent vaginal discharge in a substantial proportion of cows (Chenault et al, 2003;Walsh et al, 2007;von Krueger and Heuwieser, 2011). Nevertheless, in previous studies, the observed vaginal discharge seemed to be inconsequential for fertility (Walsh et al, 2007;von Krueger and Heuwieser, 2011). In the current experiment, we also observed mild irritation of the vaginal mucosa in half the cows with an IVG device.…”
supporting
confidence: 79%
See 1 more Smart Citation
“…These findings were expected because it is known that insertion of IVG P4-releasing devices such as the PRID and CIDR-B might result in mucopurulent vaginal discharge in a substantial proportion of cows (Chenault et al, 2003;Walsh et al, 2007;von Krueger and Heuwieser, 2011). Nevertheless, in previous studies, the observed vaginal discharge seemed to be inconsequential for fertility (Walsh et al, 2007;von Krueger and Heuwieser, 2011). In the current experiment, we also observed mild irritation of the vaginal mucosa in half the cows with an IVG device.…”
supporting
confidence: 79%
“…We observed vaginal discharge with flecks of pus in approximately half the cows that received a device. These findings were expected because it is known that insertion of IVG P4-releasing devices such as the PRID and CIDR-B might result in mucopurulent vaginal discharge in a substantial proportion of cows (Chenault et al, 2003;Walsh et al, 2007;von Krueger and Heuwieser, 2011). Nevertheless, in previous studies, the observed vaginal discharge seemed to be inconsequential for fertility (Walsh et al, 2007;von Krueger and Heuwieser, 2011).…”
mentioning
confidence: 64%