Do the Animals Work as Efficiently as Jones?

The animals are happy, they work well together and more efficiently than Mr Jones ever did. Boxer the horse always makes a huge effort, his motto is 'I will work harder! '.

Are the animals better off now than they were when Jones was in charge?

The animals are colder and hungrier than last winter, but Squealer again recites statistics to assure them that even with a "readjustment" of rations, they are still much better off than when Jones ran the farm. Since most of the animals cannot remember what life under Jones was like, they believe him.

Are the animals better off in the end of Animal Farm?

The animals' being worse off at the end of Animal Farm than they were under Mr. Jones is noted with great approval by Mr. Pilkington of Foxwood as he toasts the pigs. ... The animals themselves also sense that they are worse off than they were, though they cannot remember clearly and have no way to judge.