Brazil’s local currency real weakened 0.3% and the local benchmark stock index slipped 0.2%.
The world’s largest chicken exporter has been under strain since the first commercial-farm outbreak of bird-flu was confirmed last week, prompting trade embargos from major importers.
In Colombia, the peso dipped as a top Moody’s analyst warned the country could face a ratings downgrade if it fails to stabilize public debt and comply with fiscal rule.
Chile’s peso fell 0.4%, tracking lower copper prices.
Meanwhile global markets appeared to pause after a volatile session triggered by Moody’s downgrading the U.S. sovereign credit rating citing deficit concerns. The rating cut came at a time when a sweeping tax-cut bill is headed for a vote in the House of Representatives later this week.
The dollar index was down 0.25% on the day, continuing its selloff from Monday, while Wall Street’s main indexes also fell.
“Seems like slowly but surely as much as there is doubt on the American economy, there’s starting to be a little bit of doubt about how the global economy is going to handle that,” said Juan Perez, director of trading at Monex.
The MSCI regional currencies index dipped 0.1% following the previous day’s gains. An index tracking regional equities fell 0.4% after advancing over 1% on Monday.
Mexico was in a bright spot with the peso edging up 0.2% to hit a more than seven-month high. The local stock index 
ME eased 0.1%.
Elsewhere, the Romanian leu 
was down 0.7% against the euro, relinquishing most of the gains it clawed back after Sunday’s surprise presidential election victory of centrist Nicusor Dan over a hard-right rival.
Its central bank held out the prospect of policy easing later this year, given markets recover from recent election-induced turmoil.
Ukraine’s international bonds slipped, with 2035 maturity bond sliding close to two cents against the dollar, as investors weighed the possibility of an end to a three-year old Russian war in Ukraine.
U.S. President Donald Trump said after his planned call with Russian President Vladimir Putin that Moscow has agreed to immediately start negotiations for a ceasefire. But the Kremlin said Trump and Putin did not discuss a timeline for a ceasefire.
