Selective Breeding Advantages And Disadvantages

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The use of artificial insemination in dairy cattle selective breeding enables the best bulls and cows are chose to improve the genetic make-up such as qualities - milk fat content and quantity of milk in the dairy cow population. This helps to prevent the spread of diseases that can result from normal sexual reproduction because AI is done using sterile procedures also the use of AI can minimize injury to the cattle population that caused by aggressive bulls during the mating process.
The use of genomic selection greatly decreases the time taken for the AI process due the calves can be genetically tested before they begin to produce milk therefore the waiting time is reduced.
Embryo Transfer removes a fertilized egg of a breed cow into the reproductive tract of a second cow which ensures the top characteristics of both a superior-quality bull and superior-quality cow are inherited by the offspring calf.
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Using selective breeding in dairy cattle to increase the milk yield has caused several advantages and disadvantages.
→ Selective breeding in dairy cattle can increase milk yield as those selectively bred cows produce can more milk on average than other cows. Also by breeding these cows with each other, the gene of high milk yield is able to be passed on to the offspring.
→ The use of selective breeding allow identifying certain genetic diseases, by controlling breeding of cattle with no genetic diseases will eventually eradicate genetic diseases from future offspring.

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