2017
£000
2016
£000
At start of the period21303
Recycled to profit and loss account(282)
Purchase of own shares646
At end of period66721

The own shares reserve represents the cost of shares in Dechra Pharmaceuticals PLC purchased in the market and held by the Group's Employee Benefit Trust to satisfy options under the Group's share options schemes (see note 28 for details). The number of ordinary shares held by the Employee Benefit Trust at 30 June 2017 was 42,066 (2016: 2,880).