Colin Monteath / Brahma Cattle (Bos indicus), bull is considered a sacred cow in India, sleeping, Agra, India

Richard Du Toit / Close up of hoof of Boran cattle with foot and mouth disease. Kenya

ASHISH SHANTHI CHANDOLA / Bullocks for sale at Sonepur fair, Bihar, India

Richard Du Toit / Close up of hoof and mouth of Boran cattle with foot and mouth disease. Kenya

ASHISH SHANTHI CHANDOLA / Bullock for sale at Sonepur fair, Bihar, India

John Downer / Cattle in market, tolerated because holy animal. India

Staffan Widstrand / Wild Wonders of China / Wild Yak, (Bos mutus) with Ruddy shellduck (Tadorna ferruginea) and Bar-headed goose (Anser indicus) at Keke Xili, Changtang,Tibetan Plateau, Qinghai, China

Onne van der Wal / Cattle (Bos indicus) grazing farmland near Antigua, Guatemala.

Onne van der Wal / Farmer on a wagon pulled by cattle (Bos indicus), Cuba.

Onne van der Wal / Farmer with cattle (Bos indicus) pulling a wagon, Cuba.

LYNN M. STONE / Brahman Bull (Bos indicus) in field, derived from asiatic breed, Florida, USA

LYNN M. STONE / Brahman Cow (Bos indicus) beside tree, Florida, USA

LYNN M. STONE / Brahman (Bos indicus) cows and calf in field, Florida, USA

LYNN M. STONE / Brahman young bull (Bos indicus) in field, Florida, USA

Nigel Cattlin / Head of a tethered Brahaman or zebu ox used for cultivation with a rope through the nose, Philippines, February

Nigel Cattlin / Filipino farmer harrowing and breaking up ploughed field by standing on a small press behind a zebu ox, Luzon, Philippines, February