However, Lord Renton of MountHarry, a former Conservative minister, warned the government to think "very carefully" about a compulsory scheme, because many dogs "took badly" to having a chip inserted.
Spurs boss Harry Redknapp insists the north Londoners can mount a serious title challenge this season - and they added weight to his argument by surviving the first-half sending off of Jermain Defoe to demonstrate the character and quality required to secure three vital points.