What does squealer tell the animals to dispel their fear of boxer having been taken to the knacker?

Squealer reassures the animals that Boxer is not being taken to the knacker but rather is receiving medical care at a nearby hospital. He manipulates their emotions by claiming that the van transporting Boxer is actually owned by a veterinary service, not a knacker. Squealer also emphasizes Boxer's loyalty and hard work, insisting that he will return to the farm soon, which helps to calm the animals' fears and maintain their trust in the leadership.