hybrid vigour

noun

1. Also called: heterosis. biology the increased size, strength, etc, of a hybrid as compared to either of its parents

Example Sentences

To keep any hybrid vigour going, you need to keep mating the original two breeds.

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But while the UK Kennel Club has been registering crossbreeds on its database for more than 50 years, record-keeping of their parentage has been lacking, making it difficult for scientists to assess their hybrid vigour.

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Hybrid vigour is the “mirror image” of inbreeding depression, Nicholas writes, weakening of certain features as a result of excessive breeding with close relatives.

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As a general rule, the offspring of two different species or breeds has greater genetic diversity, creating hybrid vigour – enhanced fertility, health and survival.

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But due to tainted data overall, Nicholas stresses the importance of keeping careful records so canine hybrid vigour can be scrutinised.

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