Weight loss help

[ahlam1399]

Looking for some feeding advice15.2hh cob, currently weighing in at 632 should be 550!!Routine is small feed of readigrass & fast fibre (handful of each) morning and evening for supplements, out in the day between 6/7am - 3/4pm on fairly good grazing Had 6.5kg of hay each night, in light work ie only ridden at weekends, in lightweight rug and clipped but growing out... how can I get her to loose weight?! TIA

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