Media playback is unsupported on your device

Senegal farmers helped by cattle tracker technology

25 July 2014 Last updated at 00:11 BST

Cattle rustling is a common feature of life in sub-Saharan Africa.

It is a crime that has a huge economic impact, but the human cost can be even higher.

In rural Senegal, a project to track cows using mobile phone technology and radio-frequency identification tags could help tackle the problem.

Fiona Graham went to find out how it worked.

Copyright © 2015 BBC. The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.