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Seasonal variation of 25-hydroxyvitamin D3 levels in meat of Moroccan onehumped dromedary camels (Camelus dromedaries)

Bargaa R., El Khasmi M., Mohamed F., Tahri E.H., El Abbadi N., Abouhafs R., Faye B.. 2015. Veterinariâ, 42 (2) : p. 115-117. 4th Conference of the International Society of Camelid Research and Development/ISOCARD 2015. 4, 2015-06-08/2015-06-12, Almaty (Kazakhstan).

In human, vitamin D which derives from the action of sunlight in the skin and dietary intake is of great importance for health, and may be influenced by the season. In arid and semi-arid regions, camel meat is a good source of high- quality nutrition with less fat and significant health benefits. The aims of this investigation was to analysis the seasonal variation the 25-hydroxyvitamin D3(25-OH-D3) amounts in meat and serum of camels. In municipal slaughterhouse of Casablanca, samples of blood, Musculus oblicus externus abdominis, liver and kidney were collected in winter and summer from twelve 4-7-year-old male camels. Levels of 25-OH-D3 were analyzed by radioimmunoassay method in the National Center of Science and Nuclear Technical Energy in Maamoura, Morocco. It was observed that the 25-OH-D3 amounts in serum were significantly higher in summer when compared to those measured in winter, while, tissue levels of 25-OH-D3 showed no seasonal variation.

Mots-clés : viande de chameau; sérum sanguin; teneur en vitamines; vitamine d; variation saisonnière; facteur climatique; enquête; maroc; afrique

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