David Cameron, who launched the manifesto in Swindon, has repeatedly said his party would protect religious slaughter practices.
The Conservative document also reiterates its long-standing policy on Israel and the Palestinians.
“We will support a two-state solution to the Israeli-Palestinian conflict, robustly defending the right of Israel to protect its security, while continuing to condemn illegal settlement building, which undermines the prospects for peace,” the manifesto says.
The party also pledges to support persecuted Christians in the Middle East.
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