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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Plasma zinc as an index of vitellogenin production and reproductive status in the domestic fowl.

1. A technique is described for the accurate determination of circulating vitellogenin concentrations by measurement of plasma zinc concentrations before and after selective precipitation of lipoproteins in the domestic fowl. 2. Vitellogenin zinc concentrations exhibit a high degree of correlation with those of another major egg yolk precursor, very low density lipoprotein (VLDL) in immature female birds, during developing and maximum egg production in mature birds and following cessation of egg laying. 3. Mature female patterns of plasma vitellogenin and VLDL were induced by injection of oestradiol 17 beta (5 mg/kg body weight per day for 3 days) into adult cockerels. 4. It is suggested that measurement of plasma zinc provides a simple and accurate technique for the estimation of vitellogenin production and reproductive status in the domestic fowl and that this may be applied to other oviparous vertebrates.[1]

References

  1. Plasma zinc as an index of vitellogenin production and reproductive status in the domestic fowl. Mitchell, M.A., Carlisle, A.J. Comparative biochemistry and physiology. A, Comparative physiology. (1991) [Pubmed]
 
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