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| Titel: |
Locomotor activity and serum tryptophan and serotonin in goats: daily rhythm |
| Auteur: |
Giuseppe Piccione Claudia Giannetto Anna Assenza Francesco Fazio Giovanni Caola |
| Verschenen in: |
Journal of applied biomedicine |
| Paginering: | Jaargang 6 (2008) nr. 2 pagina's 73-79 |
| Jaar: |
2008 |
| Inhoud: |
The goal of the present study was to investigate the daily amount of motor activity and the daily rhythm oftryptophan and serotonin in goats housed in individual boxes under a 12/12 light/dark cycle. We equippedsix Girgentana breed goats with Actiwatch-Mini® (Cambridge Neurotechnology Ltd., UK), actigraphy-baseddata loggers that record a digitally integrated measure of motor activity. Also blood samples were collectedat four-hour intervals over a 48 h period via an intravenous cannula inserted into the jugular vein. Theconcentration of tryptophan (TRP) and serotonin (5-HT) were assessed by the high-performance liquidchromatography (HPLC) method. Our results outline a diurnal pattern of motor activity and levels oftryptophan in the serum, and a nocturnal pattern of levels of serotonin in the serum, which underline theimpact of endogenous serotoninergic activity on the behavioural aspects of the circadian response to light. |
| Uitgever: |
University of South Bohemia (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 8 van 8 gevonden artikelen
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