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Turnover rate of cerebrospinal fluid in female sheep: changes related to different light-dark cycles
BACKGROUND: Sheep are seasonal breeders. The key factor governing seasonal changes in the reproductive activity of the ewe is increased negative feedback of estradiol at the level of the hypothalamus under long-day conditions. It has previously been demonstrated that when gonadotropin secretions are...
| Autores principales: | , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2009
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2731051/ https://www.ncbi.nlm.nih.gov/pubmed/19653900 http://dx.doi.org/10.1186/1743-8454-6-9 |