Joshua Donnelly, 22, stabbed the victim in the stomach at Flamingo Land in North Yorkshire.
A man in his 30s suffered injuries that are not believed to be life-threatening at Flamingo Land.
The calf, which measured six feet-tall at birth, is named Kijana, which means young man in Swahili.
A pilot is underway in the North Yorkshire village to generate hot water for nearby homes.
Olmoti spent her early years at Flamingo Land in North Yorkshire before being transferred to Africa.
The new arrival at Flamingo Land in North Yorkshire is one of 10 born in the UK in the past year.
Charlie Dunn, 25, and Jack Setchell, 23, are jailed for a series of burglaries and thefts.
Studies begin in North Yorkshire to see if natural heat can be drawn from gas extraction wells.
The unnamed baby is believed to be the first birth of its kind in Yorkshire.
