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Differentiate between inbreeding and outbreeding. Mention two advantages of inbreeding programme in cattle.

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Inbreeding : Inbreeding refers to the mating between closely related individuals within the same breed for 4-6 generations. 

Outbreeding : It refurs to the breeding of unrelated animals either of the same breed but do not have common ancestor or of different breeds. 

Advantage : Inbreeding brings the homozygosity in the population and helps in accumulation of superior genes and elimination of less desirable or harmful genes. Outbreeding is the best method of breeding for animals that have average productivity and growth. 

Disadvantage : Continued inbreeding causes. inbreeding depression i e., reducing productivity and fertility. Outbreeding leads to loss of recessive characters.

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