Zulu sheep are valuable to farmers because of their ability to brace the harsh environment in the KwaZulu-Natal region, writes Thembinkosi “Mnqobi” Xulu, a MSc candidate at the University of Zululand. This article was first featured in the Mail & Guardian’s Science Voices supplement. In the green plains of Zululand in KwaZulu-Natal, small skinny sheep graze. With their…