Fertility of Zebu cross-bred dairy cows following oestrus synchronisation with PRID 'Abbovestrol'

Autor:	H. Merkt, A.I. Yonis, B. E. Musa, Detlef Rath, A.M. Homeida, C. Leiding, E. A. Dafalla
Rok vydání:	1987
Předmět:	Estrous cycle Gynecology medicine.medical_specialty media_common.quotation_subject Peripheral plasma Oestrus synchronisation Fertility Biology Zebu Endocrinology Animal science medicine Animal Science and Zoology Oestradiol 17β Biotechnology media_common
Zdroj:	Reproduction in Domestic Animals. 22:30-33
ISSN:	1439-0531 0936-6768
DOI:	10.1111/j.1439-0531.1987.tb01073.x
Popis:	Contents: Abbovestrol® (Progesterone Releasing Intravaginal Device PRID) was administered to 5 non-pregnant cows intravaginally for 12 days (group 1). 5 other cows were left untreated as control group (group 2). Four animals in group 1 exhibited behavioural oestrus; peripheral plasma concentration of progesterone was 0.5 ng/ml and the oestradiol 17β concentration was similar to that in the control group. It is concluded that the Abbovestrol® device can induce a fertile oestrus in Zebu cross bred cattle. Inhalt: Fruchtbarkeit von Milchkuhen aus Zebukreuzungen nach Brunstsynchronisation mit dem PRID “Abbovestrol®” Abbovestrol® (Progesterone Releasing Intravaginal Device PRID) wurde fur 12 Tage (Gruppe 1) an 5 nicht-tragende Kuhe intravaginal verabreicht. 5 andere Kuhe verblieben als unbehandelte Kontrolltiere (Gruppe 2). 4 Tiere in Gruppe 1 zeigten Verhaltensostrus; periphere Plasma-Progesteron-Konzentrationen betrugen 0.5 ng/ml und die Ostradiol-17β-Konzentrationen waren denen in der Kontrollgruppe ahnlich. Es wird daraus geschlossen, das Abbovestrol® in Zebu-Kreuzungen Ostrus induzieren kann.
Databáze:	OpenAIRE
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