Veterinary scientists in Chile have invented a contraceptive vaccine for dogs, which can be used in both males and females, and may provide an inexpensive option to help control the country's growing canine population.br clear='all'/br/br/a href="http://rc.feedsportal.com/r/241225832159/u/49/f/654220/c/35217/s/4a9db903/sc/32/rc/1/rc.htm" rel="nofollow"img src="http://rc.feedsportal.com/r/241225832159/u/49/f/654220/c/35217/s/4a9db903/sc/32/rc/1/rc.img" border="0"//abr/br/a href="http://rc.feedsportal.com/r/241225832159/u/49/f/654220/c/35217/s/4a9db903/sc/32/rc/2/rc.htm" rel="nofollow"img src="http://rc.feedsportal.com/r/241225832159/u/49/f/654220/c/35217/s/4a9db903/sc/32/rc/2/rc.img" border="0"//abr/br/a href="http://rc.feedsportal.com/r/241225832159/u/49/f/654220/c/35217/s/4a9db903/sc/32/rc/3/rc.htm" rel="nofollow"img src="http://rc.feedsportal.com/r/241225832159/u/49/f/654220/c/35217/s/4a9db903/sc/32/rc/3/rc.img" border="0"//abr/br/a href="http://da.feedsportal.com/r/241225832159/u/49/f/654220/c/35217/s/4a9db903/sc/32/a2.htm"img src="http://da.feedsportal.com/r/241225832159/u/49/f/654220/c/35217/s/4a9db903/sc/32/a2.img" border="0"//abr/a href="http://adchoice.feedsportal.com/r/241225832159/u/49/f/654220/c/35217/s/4a9db903/sc/32/ach.htm"img src="http://adchoice.feedsportal.com/r/241225832159/u/49/f/654220/c/35217/s/4a9db903/sc/32/ach.img" border="0"//aimg width="1" height="1" src="http://pi.feedsportal.com/r/241225832159/u/49/f/654220/c/35217/s/4a9db903/sc/32/a2t.img" border="0"/img width="1" height="1" src="http://pi2.feedsportal.com/r/241225832159/u/49/f/654220/c/35217/s/4a9db903/sc/32/a2t2.img" border="0"/img width='1' height='1' src='http://reuters.us.feedsportal.com/c/35217/f/654220/s/4a9db903/sc/32/mf.gif' border='0'/div class="feedflare"
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CHICAGO (Reuters) - U.S. researchers have used a new gene editing technique to trim away potentially harmful virus genes that have impeded the use of pig organs for transplants in humans.br clear='all'/img width='1' height='1' src='http://reuters.us.feedsportal.com/c/35217/f/654220/s/4a9c48c1/sc/14/mf.gif' border='0'/div class="feedflare"
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