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Article

Gonadotrophin-releasing hormone and the control of ovulation rate by the FecB gene in Booroola ewes.

Journal of reproduction and fertility - 1 May 1993

McNatty K P, Hudson N L, Lun S, Heath D A, Shaw L, Condell L, Phillips D J, Clarke I J

Abstract excerpt

Booroola sheep carry a FecB gene that confers high fecundity. The aims of the present studies were to determine in homozygous carriers (BB) and non-carriers (++) of the Booroola FecB gene whether there are FecB differences in the secretory characteristics of GnRH in hypophyseal-portal blood of ovariectomized ewes (Expt 1) and whether differences in ovulation rate would occur following the administration of PMSG...

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Identifiers

PMID: 8345485
DOI: 10.1530/jrf.0.0980097

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HPD

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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Research trail→

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Gonadotrophin-releasing hormone and the control of ovulation rate by the FecB gene in Booroola ewes.PMID 8345485Read ↗

Effect of exogenous FSH on ovulation rate in homozygous carriers or noncarriers of the Booroola FecB gene after hypothalamic-pituitary disconnection or after treatment with a GnRH agonist.Semantic proximity Read ↗

Ontogeny of ovarian follicle development in Booroola sheep fetuses that are homozygous carriers or non-carriers of the FecB gene.Semantic proximity Read ↗

Effects of the Booroola Fec gene on ovarian follicular populations in superovulated Romanov ewes pretreated with a GnRH antagonist.Semantic proximity Read ↗

Effects of ovariectomy and genotype on bioactive FSH in plasma and pituitary of Booroola ewes.Semantic proximity Read ↗

Effects of the Booroola gene (FecB) on body weight, ovarian development and hormone concentrations during fetal life.Semantic proximity Read ↗

Differential pituitary response to GnRH in pregnant Booroola-Assaf and Assaf ewes.Semantic proximity Read ↗

The effect of the Booroola (FecB) gene on peripheral FSH concentrations and ovulation rates during oestrus, seasonal anoestrus and on FSH concentrations following ovariectomy in Scottish Blackface ewes.Semantic proximity Read ↗

GnRH-induced gonadotrophin secretion in ovariectomized Booroola ewes with hypothalamic-pituitary disconnection.Semantic proximity Read ↗

Mutation in bone morphogenetic protein receptor-IB is associated with increased ovulation rate in Booroola Mérino ewes.Semantic proximity Read ↗

Concentrations of immunoreactive inhibin in ovarian and peripheral venous plasma and follicular fluid of Booroola ewes that are homozygous carriers or non-carriers of the FecB gene.Semantic proximity Read ↗

The Booroola mutation in sheep is associated with an alteration of the bone morphogenetic protein receptor-IB functionality.Semantic proximity Read ↗

The Booroola (FecB) phenotype is associated with a mutation in the bone morphogenetic receptor type 1 B (BMPR1B) gene.Semantic proximity Read ↗

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