Sanga cattle

What do Sanga cattle cattle look like?

Sanga is a broad label rather than one breed: the name gathers the long-established native cattle of parts of Africa under a single roof, and some zoologists list them as the subspecies Bos taurus africanus. Because humped Indian zebu and humpless taurine stock both contributed, looks vary widely. African taurine members, such as the N'Dama and Muturu, carry a low hump at the top of the neck above the withers, the highest line of the shoulders, rather than the tall hump over the shoulders that marks a zebu. The classic sanga sits between the two. Rock paintings and wall art from ancient Egypt show early cattle of this kind with lyre-shaped horns, sweeping sideways and curving up. Genetic work divides the group into African taurine, African indicine, zenga, sanga and sheko branches, with the Ankole as its sanga example.

Where does the Sanga cattle come from?

Where these cattle began is one of the open questions of African livestock history. One view holds that three waves came from western Asia: humpless longhorns around 5000 BC, humpless shorthorns some 2,500 years later, and humped zebu near 1500 BC. After landing in Egypt, herds crossed a Sahara that was still green and moved on into West Africa, picking up blood from wild aurochs along the way. The rival view argues cattle were tamed in Africa itself, probably in the Sudan, from local aurochs. Old bones feed the argument: aurochs remains at Affad and the Letti desert go back 50,000 years, and ancient cattle bones at Nabta Playa and Bir Kiseiba are almost as striking. Mitochondrial lineages called T1 and Y2 lean towards an African start. How much zebu entered is debated too: older writers said 1600 BCE onwards, today's consensus sits near 700 AD.

What the Sanga cattle is known for

Disease resistance is the headline quality. Tsetse flies pass on trypanosomosis, a blood-borne sickness that has long held back cattle keeping across West and Central Africa, and the African taurine lines cope with it. Trials run by ILRI in Kenya, Nigeria and the Democratic Republic of the Congo rated the N'Dama the toughest of the breeds tested: a resistance score near 25% against roughly 8% for the Nguni, with a first-generation N'Dama-Nguni cross at 16.5%, double the pure Nguni. Kenyan work at KALRO found a similar gain when N'Dama blood went into Boran herds. Sixteen genes underpin the package, covering immunity, heat tolerance and breeding performance.

How the Sanga cattle is bred and kept

A 2020 survey by Kim and colleagues, expanding on a 1999 scheme by Rege, sorts African humped cattle by how much zebu ancestry each carries. True sanga arise when African taurine stock meets zebu; the coined word zenga marks the next blend, zebu on sanga again. The four humped branches took shape when Asian zebu arrived, around 700 AD by most estimates, and mixed with taurine cows in differing ratios. Even cattle classed as African indicine keep a strong African taurine inheritance. Herd owners also cross on purpose: N'Dama-Nguni pairings raise disease resistance, and Kenyan trials repeated the result with the Boran. Alongside the traditional breeds, African cattle have been blended with outside stock to create composites.

What the Sanga cattle is kept for

Cattle of these lines are general farm stock across much of Africa, and their particular role is to make herding viable in fly country, where trypanosomosis otherwise restricts livestock development. The N'Dama is treated as a resource in its own right and as a source of hardiness for other herds, which is why research bodies test its crosses with the Nguni and the Boran. Farther back, the first African cattle may have been tamed as a dependable food supply for communities facing lean plant foods during dry spells of the green Sahara era.

The land and climate of the Sanga cattle

These cattle are built for heat and for sick-fly country. Genetic studies credit African taurine stock with tolerance of heat and of the parasites carried by tsetse flies, insects that infest wide belts of West and Central Africa. The ancient spread followed grass and water: after reaching Egypt roughly eight thousand years ago, herds moved across a Sahara that was then green and on into West Africa, the central desert acting as a corridor between east and west. Egyptian wall paintings show how long these cattle have been known in the northeast.

Who keeps the Sanga cattle

Herders, not the animals themselves, carried cattle into Africa, on the introduction reading of the evidence. Stock-raising peoples came up the Nile Valley and, by about eight thousand years ago, moved through Wadi Howar into the central desert, which relayed domestic animals from the eastern side to the west. North African herders let their tame cattle breed with wild aurochs of several regional kinds, on both the bull and the cow side, which helps explain why these animals differ so sharply from European and Indian stock. At Nabta Playa, in the Western Desert, semi-settled hunter-gatherers may have brought local aurochs under human control, seeking a steady food supply when edible plants thinned out. At the E-75-6 site, pastoralists tended cattle and kept a watering basin and well in use.

Related breeds and crosses

Within the family, the N'Dama and Muturu stand for the African taurine branch, the Mursi for African indicine, the Fogera and Horro for zenga, and the Ankole for classic sanga, while the Sheko forms a branch of its own. Nguni and Boran cattle appear as crossing partners in the research. One naming trap: 'sanga' covers the whole gathering and, in a narrower sense, just the taurine-zebu crossbred middle group, with 'zenga' coined for the blend after that.

Questions people ask about Sanga cattle

Good reading and sources

• Trypanotolerant livestock in the context of trypanosomiasis intervention strategiesFAO, Article

• Sanga cattle on WikipediaEncyclopedia
• More photos on Wikimedia CommonsPhotos and video
• Wikidata recordOpen data