Hie Eddington

try this may help you; https://www.ncbi.nlm.nih.gov › NCBI › Literature › PubMed Central (PMC).

or check on: http://www.boldsystems.org/index.php/Login/page?destination=MAS_Management_UserConsole

One solution could be to directly check the studies using the data set you are interested in. For some, the data are available upon request. Even if nothing is indicated it may be interesting under which conditions they can provide you their data. 

take your time on this site, http://www.freefullpdf.com/#gsc.tab=0&gsc.q=data%20sets%20for%20cattle%20genetic%20diversity%20studies%20using%20molecular%20microsatellite%20markers%2C%20especially%20for%20cattle%20breeds%20in%20Sub-Saharan%20Africa&gsc.sort=

you can find what you are loooking for. check the attached doc for example.

Thank you all for the sugestions

Thank you on the Okomo document