Relationship between follicle growth and circulating gonadotrophin levels during postnatal development of sheep

This study investigates the number and size of ovarian antral follicles in relation to plasma follicle stimulating hormones (FSH) and luteinizing hormone (LH) concentrations from birth to 26 weeks of age in ewe lambs of the Ouled Djellel breed, a non-seasonal breed of sheep. Plasma was collected fro...

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Veröffentlicht in:	Animal reproduction science 2008-06, Vol.106 (1), p.100-112
Hauptverfasser:	Mahdi, D., Khallili, K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Age Factors animal growth Animals Animals, Newborn Antral follicles blood plasma Cell Count Cell Size estrous cycle Ewe lamb Female follicle-stimulating hormone follicular development FSH Gonadotropins, Pituitary - analysis Gonadotropins, Pituitary - blood hormone secretion lambs luteinizing hormone neonates normal values Organ Size Ouled Djellel Ouled Djellel (sheep breed) Ovarian Follicle - cytology Ovarian Follicle - growth & development ovarian follicles Ovary - growth & development ovulation parturition Postnatal development postpartum period puberty Sexual Maturation - physiology Sheep - growth & development sheep breeds temporal variation tissue weight
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Zusammenfassung:	This study investigates the number and size of ovarian antral follicles in relation to plasma follicle stimulating hormones (FSH) and luteinizing hormone (LH) concentrations from birth to 26 weeks of age in ewe lambs of the Ouled Djellel breed, a non-seasonal breed of sheep. Plasma was collected from 10 ewe lambs at 14 sampling times (Week 0, i.e.
ISSN:	0378-4320 1873-2232
DOI:	10.1016/j.anireprosci.2007.04.008