R.J.  Zhou, H.M.  Yang, J.C.  Li, J.L.  Li, S.J.  Liu, 
    Impact of Calcium, Zinc and Copper Concentrations in Seminal Plasma on Semen Parameters in Zie Geese,
    Journal of Animal and Veterinary Advances,
    Volume 11,Issue 20,
    2012,
    Pages 3840-3842,
    ISSN 1680-5593,
    javaa.2012.3840.3842,
    (https://makhillpublications.co/view-article.php?doi=javaa.2012.3840.3842)
    Abstract: The relationship between Zinc (Zn), Calcium (Ca) and Copper 
  (Cu) concentrations in seminal plasma and semen quality parameters was investigated 
  in geese. Eighty, 1 year old Zie ganders (<I>Anser cygnoides</I> L.) were used. 
  The ganders were ranked by their average Semen Quality Factor (SQF) value. Scores 
  less than or greater than one standard deviation from the population mean were 
  categorized as a low or high SQF phenotype (n = 10 males per phenotype), respectively. 
  Seminal plasma was obtained by centrifuging semen samples. Zn, Ca and Cu concentrations 
  in seminal plasma were determined using an atomic absorption spectrophotometer. 
  Concentrations in seminal plasma were in the order Ca&gt;Zn&gt;Cu. There were 
  positive correlations between the concentration of Ca with semen motility (0.47, 
  p&lt;0.05) and live morphologically undamaged sperm number (0.32, p&lt;0.05). 
  Cu and Zn concentrations were not correlated with any semen analysis parameters.
    Keywords: Zie goose;semen analysis parameters;seminal plasma;semen quality factor;China