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Shift of seasonal cycle in white-tailed deer by oral administration of melatonin

โœ Scribed by Bubenik, G. A.

Publisher
John Wiley and Sons
Year
1983
Tongue
English
Weight
155 KB
Volume
225
Category
Article
ISSN
0022-104X

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โœฆ Synopsis

A complete reversal of seasonally dependent events, like antler growth and change of pelage was achieved in white-tailed bucks by oral application of melatonin. The drug was administered in a way that simulated the shortening of the natural photoperiod. Mineralization of antlers, shedding of velvet, complete change of summer pelage, and the onset of the rutting behavior was initiated aproximately 2 months ahead of time.

๐Ÿ“œ SIMILAR VOLUMES

Circadian and circannual rhythms of mela
Circadian and circannual rhythms of melatonin in plasma of male white-tailed deer and the effect of oral administration of melatonin
โœ Bubenik, G. A. ;Smith, P. S. ๐Ÿ“‚ Article ๐Ÿ“… 1987 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 670 KB

Circadian levels of melatonin (M) were determined in plasma of four male white-tailed deer sampled hourly in September for 24 h via indwelling jugular catheter. Concentrations of M, detected by the radioimmunoassay rise with the onset of darkness, peak at 1.00 h (265 pg/ml) and then quickly decline

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Intensity of hair pigmentation of dorsal scrotum, nose, cheek and forehead areas of seven mature, male white-tailed deer were determined from close-up colour slides taken once a month during a 2-year period. Blood samples and skin biopsies from forehead areas were taken at the same time as the photo