1: ジャンピングDDT(dion軍)@\(^o^)/ 2016/03/08(火) 21:14:07.90 ID:+oBBYyby0●.net BE:614796825-PLT(17667) ポイント特典
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How man has changed his best friend: How 100 years of intensive breeding has left some dog breeds unrecognisable - and in pain

Image show what some dog breeds looked like before selective breeding
Many dogs have been developed to be more disease prone than before
We designed 167 different breeds with unique physical and mental traits
Humans began a relationship with dogs some 18,000 to 30,000 years ago

By Stacy Liberatore For Dailymail.com

Published: 22:02 GMT, 7 March 2016 | Updated: 10:00 GMT, 8 March 2016

Read more: http://www.dailymail.co.uk/sciencetech/article-3480780/How-humans-changed-man-s-best-friend-pictures-100-years-breeding-changed-dog-breeds-not-better.html#ixzz42JSbf3bV
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2: ジャンピングDDT(dion軍)@\(^o^)/ 2016/03/08(火) 21:14:52.36 ID:+oBBYyby0.net
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ブルドッグは帝王切開じゃないと子供を産めない

引用元: http://hayabusa8.2ch.sc/test/read.cgi/news/1457439247/