The striker, on a season long loan from Sunderland, has not scored in seven Hull appearances and 24 in total, covering games with Swansea and the Black Cats.
Bruce defiantly defends his all-round efforts, but accepts the drought needs to end.
"I'm not interested in what went before. Danny has only been here for seven matches and he's contributing to the team," he said.
"He needs to stay strong and for us to support him.
"All strikers go through it and I'm sure he'll be bigger and better and stronger for it when he does come through it.
"He's a really decent footballer and he just needs a goal, like all strikers do."
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