2, Chrystia Freeland, Canada's foreign minister, sent out a tweet regarding human rights in the Middle East kingdom.
Saudi Arabia expelled the Canadian Ambassador Dennis Horak, who was given 24 hours to leave the country.
European traders said on Tuesday that Saudi Arabia's main wheat-buying agency has told grains exporters it will no longer accept Canadian-origin wheat and barley.
The former head of the Human Rights Commission in Saudi Arabia, Dr Hadi Bin Al Yami, said that the Canadian government's actions violate diplomatic norms governing state relations.
"Canada will always stand up for the protection of human rights, including women's rights and freedom of expression around the world", she said.
Thompson Rivers University stands to lose nearly one-tenth of global students on its campus - and tens of thousands of dollars in revenue - as a result of a diplomatic row between Canada and Saudi Arabia.
Saudi Arabia expelled the Canadian ambassador on Monday and froze "all new business" with Ottawa over its criticism of the ultraconservative kingdom's arrest of women's rights activists - yet another warning to the West reflecting Riyadh's newly assertive foreign policy.
Amnesty International noted Ms Badawi has been repeatedly targeted and interrogated by Saudi security forces for her human rights activist.
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Saudi Arabia's national airline Saudia announced the suspension of all direct flights to and from Toronto following Canada's comments about the kingdom's treatment of human rights activists.
A number of rights campaigners, including award-winning gender rights activist Samar Badawi, have been arrested in the kingdom.
"It's estimated to be about 100,000 (barrels per day), and that's down over the past two years", McTeague said of Saudi Arabia's oil exports to Canada. His wife, Ensaf Haidar, lives in Canada and recently became a Canadian citizen.
Riyadh's singling out of Canada appears to be aimed at strongly discouraging other Western governments from criticising its human rights violations.
"Any other attempt to interfere with our internal affairs from Canada, means that we are allowed to interfere in Canada's internal affairs, " the Saudi government said.
There could be a sentiment among allies that, "Finally the Trudeau government is getting poked back in the eye by the Saudis".
According to The Globe and Mail, citing a Saudi government source, more than 15,000 Saudis are studying in Canada on government-funded courses or grants at universities, colleges, or other institutions.
Thousands of jobs in Canada could be at risk if the arms agreement is scrapped.