Amplitude of the plasma melatonin nycthemeral rhythms is not associated with the dates of onset and offset of the seasonal ovulatory activity in the Ile-de-France ewe

We investigated if absolute (nocturnal) or relative (nocturnal/diurnal ratio) plasma melatonin concentrations were associated with the seasonal ovulatory activity in Ile-de-France ewes. Ninety-six and 121 ewes in two different groups of the same flock were used to determine the potential existence o...

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Veröffentlicht in:	Reproduction, nutrition, development nutrition, development, 2003-03, Vol.43 (2), p.167-177
Hauptverfasser:	Zarazaga, L.A. ((Université de Tours, Nouzilly (France). UMR Physiologie de la Reproduction et des Comportements)), Malpaux, B, Chemineau, P
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Biological and medical sciences BREBIS Breeding CICLO ESTRAL CYCLE OESTRAL Development Biology ESTACIONES DEL AÑO EWES Female Food and Nutrition France Fundamental and applied biological sciences. Psychology GENETICS GENÉTICA GÉNÉTIQUE Life Sciences Mammalian reproduction. General aspects MELATONIN Melatonin - blood MELATONINA MÉLATONINE OESTROUS CYCLE OVEJA OVULACIÓN OVULATION Periodicity Progesterone - blood Regression Analysis Reproductive Biology SAISON SEASONS Sheep - blood Vertebrates: reproduction
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