After reaching a contract high last week, grain prices slipped slightly on news of the possibility of peace negotiations between Russia and Ukraine. However, Nov-26 UK feed wheat futures currently sit where they were at the start of the month at £213.75/t. AHDB analysts say the market will be closely watching to see if negotiations result in an increase in export levels through the Black Sea. Lativa and Lithiania may restrict or ban Russian exports from their ports on the Black Sea, with government meetings scheduled this week. The AHDB says analysts will also be keeping a close eye on…