1996
DOI: 10.20870/productions-animales.1996.9.1.4034
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Emploi des implants de mélatonine et des traitements photopériodiques pour maîtriser la reproduction saisonnière chez les ovins et les caprins

Abstract: La mélatonine est une substance naturellement sécrétée par la glande pinéale pendant la période obscure du nycthémère, qui transmet l’information photopériodique chez les mammifères. L’administration continue par un implant sous-cutané, comme dans les expérimentations décrites ici, permet de mimer les jours courts alors que les yeux des animaux perçoivent les jours longs naturels du printemps et de l’été. Il est nécessaire de faire subir une alternance de jours longs et de jours courts pour pouvoir maîtriser l… Show more

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Cited by 60 publications
(35 citation statements)
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“… Seasonal variations in the harvest and farm price of goat milk in France (year 1992; adapted from Chemineau et al. 1996) …”
Section: Products Of Animal Origin Are Seasonally Marketedmentioning
confidence: 99%
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“… Seasonal variations in the harvest and farm price of goat milk in France (year 1992; adapted from Chemineau et al. 1996) …”
Section: Products Of Animal Origin Are Seasonally Marketedmentioning
confidence: 99%
“…This property is now commonly used in photoperiodic treatments applied on farms and/or in AI centres (see below). The definition of what is really LD and SD is not straightforward: it is possible to define a threshold of photosensitivity based on the number of light hours per day, under which LD are stimulatory and below which SD are inhibitory (see reviews Chemineau et al. 1996 and Malpaux et al.…”
Section: Neuroendocrine Mechanisms and Combination Of Endogenous Circmentioning
confidence: 99%
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“…2007). The definition of what is really LD and SD is not straightforward: it is possible to define a threshold of photosensitivity based on the number of light hours per day, under which LD are stimulatory and below which SD are inhibitory (see reviews Chemineau et al. 1996 and Malpaux et al.…”
Section: Photoperiod Synchronizes An Endogenous Circannual Rhythm Of mentioning
confidence: 99%