Livestock and Poultry Breeding: Out crossing

Out crossing

OUT CROSSING

Out crossing usually applies only to mating within a pure breed. If two lines or flocks within the same breed are separated for four or five generations and the sire from one herd is used in another herd that amounts to out crossing. The use of out crossing in purebreds are

When there is lack of selection response due to reduced genetic variability.
To reduce inbreeding in a closed population.
To introduce new genes with reference - colour, horn type, etc.

Last modified: Saturday, 31 March 2012, 9:24 AM

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AGB 211: Livestock and Poultry Breeding (2+1)

Out crossing

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