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en.wikipedia.org/wiki/Selective_breeding

Selective breeding (also called artificial selection) is the process by which humans use animal .... As more and more farmers followed his lead, farm animals increased dramatically in size and quality. In 1700, the average weight of a bull sold for ...

www.ciwf.org.uk/includes/documents/cm_docs/2008/s/science_worksheets_selective_breeding.pdf

The chickens on the left are egg-laying hens. They have been selectively bred to lay lots of eggs, but they grow at a normal rate. Most are still kept in battery ...

wallace.genetics.uga.edu/groups/evol3000/wiki/ce8b9/Selective_Breeding_or_Artificial_Selection.html

Nov 24, 2013 ... Here's an example of selective breeding on a farm. ... For the time people have controlled domestic animals, the selective pressure has been ...

www.bbc.co.uk/schools/gcsebitesize/science/21c_pre_2011/evolution/theoryevolutionrev3.shtml

Selective breeding is a process where we choose the characteristics we want in ... over many generations, each time selecting and breeding together those animals ... Farmers have used selective breeding for centuries to increase milk yield in ...

sites.google.com/site/selectivebreedingofanimals/stuff-of-interest

Mar 21, 2012 ... Farmers have been selectively breeding chickens for thousands of years. Chickens are selected for maximum body mass, pectoral muscle ...

www.encyclopedia.com/plants-and-animals/agriculture-and-horticulture/agriculture-animals/selective-breeding

Get information, facts, and pictures about Selective breeding at ... see also Domestic Animals; Evolution; Farming; Genetics; Genetic Variation in a Population; ...

greengarageblog.org/16-main-advantages-and-disadvantages-of-selective-breeding

Jul 23, 2015 ... Selective breeding allows the encouragement of plant and animal characteristics that are more beneficial to farmers. For example, if they have ...

academic.oup.com/ps/article/89/4/805/1527333/Breeding-of-tomorrow-s-chickens-to-improve-well

During domestication, animals are housed in ... Repeated, selective breeding ...

thenextgalaxy.com/selective-breeding-advantages-and-disadvantages-list

May 21, 2015 ... Selective breeding, which is also known as artificial selection, is when farmers breed animals in order to obtain specific traits. This is done by ...