Preovulatory follicle dynamics and ovulatory efficiency in sows with thrifty genotype and leptin resistance due to leptin receptor gene polymorphisms (Iberian pig)

Research highlights ► This study is the first describing follicle dynamics of obese sows by ultrasonography. ► Follicular turnover and ovulation rate are not limiting prolificacy in obese pigs. ► A lower prolificacy may be more likely determined by a lower embryo survival.

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Bibliographic Details
Published in:General and comparative endocrinology 2011-01, Vol.170 (1), p.200-206
Main Authors: Gonzalez-Añover, P, Encinas, T, Sanz, E, Letelier, C.A, Torres-Rovira, L, de Mercado, E, Pallares, P, Sanchez-Sanchez, R, Gonzalez-Bulnes, A
Format: Article
Language:English
Subjects:
Animals
Endocrinology & Metabolism
Female
Follicular function
Genotype
Gonadotropins - pharmacology
Leptin
Leptin - metabolism
Obesity
Ovarian Follicle - diagnostic imaging
Ovarian Follicle - drug effects
Ovarian Follicle - metabolism
Ovulation
Ovulation - drug effects
Polymorphism, Genetic - genetics
Receptors, Leptin - genetics
Swine
Ultrasonography
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Summary:Research highlights ► This study is the first describing follicle dynamics of obese sows by ultrasonography. ► Follicular turnover and ovulation rate are not limiting prolificacy in obese pigs. ► A lower prolificacy may be more likely determined by a lower embryo survival.
ISSN:0016-6480
1095-6840
DOI:10.1016/j.ygcen.2010.10.006