A father who shouted that he "hated" his baby daughter and later shook her to death has been jailed for eight years.
Roofer Christopher Jewell, 25, snapped while he was caring for four-month-old Demi at the family home in January this year.
When she was just a month old he shouted: "I f**king hate her so much" when he could not stop her crying, Teesside Crown Court heard.
The prosecution accepted his plea of not guilty to murder but guilty to manslaughter on the grounds he did not mean to cause the infant serious harm.
Judge Peter Fox, the Recorder of Middlesbrough, said: "You had the sole, immediate responsibility for that little girl, for her care and for her welfare. You lost your temper with her, and you lost it to an ungovernable extent, and so you inflicted fatal injury upon her."
The court heard Jewell was looking after the baby, while his partner Linzi Heslop was spending a Friday night out with a friend.
He was at the family home in Ritson Road, Newton Aycliffe, Co Durham, where his partner's nine-year-old daughter and the couple's five-year-old boy and three-year-old daughter were asleep upstairs.
Demi was in a bouncy chair, and had been upset that day because she had recently had a third course of injections.
Paul Sloan QC, prosecuting, said the couple's seven-year relationship was failing, while his mounting debts were causing strain.
He snapped, and shook the baby violently, causing a brain injury from which she died two days later in hospital. He also broke eight of her ribs, by pushing hard against them.
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