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Differentiate between inbreeding and outbreeding in cattle. State one advantage and one disadvantage for each one of them.

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Inbreeding in cattle:

Outbreeding in cattle:

1. Mating of more closely related individuals.

1. Mating of unrelated animals.

2. Mating is between animals of same breed for 4-6 generations.

2. Mating is between individuals of the same breed but having no common ancestors for 4-6 generations or between different breeds or different species.

Advantage of inbreeding

It increases homozygosity and is used for developing pure lines.

Disadvantage of inbreeding

It causes inbreeding depression, which results in loss in fertility and productivity. 

Advantage of outbreeding

It produces hybrids with desirable characters like better lactation period and high milk productions.

Disadvantage of outbreeding

The success rate of crossing in outbreeding is fairly low and the animal produced is not always fertile.

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