Original:  Two thirds of all horses in Sweden are estimated to not have passports, says Britta Lundstrm at the Swedish Ministry of Agriculture (Jordbruksverket) to the news agency TT.
Revised:  Two thirds of all horses in Sweden are estimated to not have passports, Britta Lundstrm at the Swedish Ministry of Agriculture (Jordbruksverket) to the news agency TT.
Edit intent: style