AN official scientific review of Japan's bizarre experiments with test-tube minke babies and attempts at cross-breeding cows with whales has exploded the claim whale slaughter is "research".

Scientists have analysed the 43 research papers produced by Japan after 18 years of killing whales and concluded they are useless, strange and esoteric.

Some of the experiments involved injecting dead minke sperm into cow eggs, others attempt to produce test-tube whale babies and thawing frozen whale sperm to see if it remained fertile.

Japan's Institute of Cetacean Research also injected cow and pig egg cells with minke cells as part of its whaling program.

Australian delegates to this weekend's London meeting of the International Whaling Commission (IWC) will argue the "scientific research" loophole in the worldwide ban on commercial whaling that allows Japan to hunt the sea giants should be closed.

The head of Australia's scientific delegation to the IWC, Dr Nick Gales, said the research not only lacked credibility - it was downright strange.

"(The research involves) really bizarre and very strange experiments with sheep and pigs and eggs. It's totally esoteric, very strange research," he said from London.

Dr Gales also said the number of papers the lethal "research" produced - a mere 43 over 18 years - was incredibly small for a government-funded organisation.

"It was an incredibly low publication rate," he said.

More than half of the papers were dedicated to establishing whale mortality rates, but failed to do so.

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