Rob Cousins / Waterbuffalo (Bubalus bubalis) in the milking parlour, Laverstoke Park Farm, Hampshire, UK, September 2010.

Rob Cousins / Waterbuffalo (Bubalus bubalis) in the milking parlour, Laverstoke Park Farm, Hampshire, UK, September 2010.

Will Watson / Holstein cows taking themselves to milking parlour, passing fishing pool, Herefordshire, UK

Gary K. Smith / Milk tanker filling up at small dairy unit, Binham Village, Norfolk, UK

Yves Lanceau / Domestic cattle (Bos taurus) Normande cows in electric milking parlour, France