tag:bbc.co.uk,2008:cps:playlist:story:8050491 Cow herd serenaded by opera star A herd of Lancashire dairy cows is being serenaded by an Italian opera singer to help improve their milk production. 2009-05-14T14:22:51Z News 8050491 41217 true tag:bbc.co.uk,2008:cps:advert:story:8050491 tag:bbc.co.uk,2008:cps:ident:news:video:512x288 tag:bbc.co.uk,2008:cps:story:8050491 tag:bbc.co.uk,2008:cps:playlist:story:8019029 'Nazi' cattle being bred in UK A Devon farmer has succeeded in introducing a breed of cattle that has not been seen in the UK for over 4,000 years. tag:bbc.co.uk,2008:cps:playlist:story:8048920 Cow found stuck in swimming pool A cow sparked a rescue operation after falling in to a swimming pool at a house in Whaddon in Buckinghamshire. tag:bbc.co.uk,2008:cps:playlist:story:8044577 Indian mass singing breaks record Singers in Hyderabad, Andhra Pradesh, have broken the official Guiness World Record for the most people participating in a mass choir of a single song.