{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T22:56:33Z","timestamp":1785365793951,"version":"3.55.0"},"reference-count":43,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2012,1,9]],"date-time":"2012-01-09T00:00:00Z","timestamp":1326067200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["scijournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pest Management Science"],"published-print":{"date-parts":[[2012,4]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    <jats:bold>BACKGROUND:<\/jats:bold>\n                    Plateau pikas (\n                    <jats:bold>\n                      <jats:italic>Ochotona curzoniae<\/jats:italic>\n                    <\/jats:bold>\n                    , Hodgson, 1858) are viewed as a pest in the Tibetan Plateau meadow ecosystem when their population densities are high. Traditional culling using rodenticides often poses a high risk to non\u2010target species and even to humans. In this study, an investigation was made of the infertility effects of quinestrol (E), levonorgestrel (P) and a combination of the two (EP, ratio E:P = 1:2) on plateau pikas during 2007 and 2008.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>RESULTS:<\/jats:bold>\n                    Treatment with E or EP significantly decreased the pregnancy rate of female pikas in 2007. In 2008, there was a cross\u2010year effect that still suppressed male reproduction in treated groups. Treatment with E obviously reduced the reproduction of pikas but not their population abundance in 2007; the reduction in population size was significant in 2008.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>CONCLUSIONS:<\/jats:bold>\n                    Single baiting of quinestrol in early breeding season reduced the reproduction and population size of pikas throughout 2007. The effect of infertility lasted into the next breeding season through a cross\u2010year effect, which resulted in a significant reduction of population size in 2008. Quinestrol is a very promising non\u2010lethal approach to managing pika populations; however, several factors need to be investigated further to improve the practicality of this method. Copyright \u00a9 2012 Society of Chemical Industry\n                  <\/jats:p>","DOI":"10.1002\/ps.2302","type":"journal-article","created":{"date-parts":[[2012,1,9]],"date-time":"2012-01-09T06:41:54Z","timestamp":1326091314000},"page":"592-601","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":36,"title":["Effects of quinestrol and levonorgestrel on populations of plateau pikas,\n                    <i>Ochotona curzoniae<\/i>\n                    , in the Qinghai\u2010Tibetan Plateau"],"prefix":"10.1002","volume":"68","author":[{"given":"Ming","family":"Liu","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiapeng","family":"Qu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Min","family":"Yang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zengli","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanling","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanming","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhibin","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2012,1,9]]},"reference":[{"key":"e_1_2_6_2_2","first-page":"285","volume-title":"Ecologically 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