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How a Salmon can spawn Trout

The salmon that spawns trout is the first animal of one species to give birth to another

Japanese fish scientists get salmon to spawn trout – the first time one species has given birth to another and a development which could have a big impact fish farming. Could giant African rats do the same job as a sniffer dog? How wild forest bees are coffee-growers best friends. An exhibition devoted to excrement – including 100-year-old penguin poo – and its scientific value at the Walter Rothschild Museum in Tring, UK.

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23 minutes

³ÉÈË¿ìÊÖ World Service Archive

This programme was restored as part of the World Service archive project

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