{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,22]],"date-time":"2026-07-22T04:19:48Z","timestamp":1784693988060,"version":"3.55.0"},"reference-count":29,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2015,7,28]],"date-time":"2015-07-28T00:00:00Z","timestamp":1438041600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Animal Physiology Nutrition"],"published-print":{"date-parts":[[2016,4]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>Two experiments were conducted to evaluate the effects of feeding guanidinoacetic acid (<jats:styled-content style=\"fixed-case\">GAA<\/jats:styled-content>) and L\u2010arginine (<jats:styled-content style=\"fixed-case\">ARG<\/jats:styled-content>) on fertility and sperm penetration (<jats:styled-content style=\"fixed-case\">SP<\/jats:styled-content>) rate of broiler breeder hens. In the first experiment, a total of 200 broiler breeder hens (Ross 308) aged 53\u00a0week were randomly allotted to four dietary treatments (0, 0.6, 1.2 and 1.8\u00a0g <jats:styled-content style=\"fixed-case\">GAA<\/jats:styled-content>\/kg diet) with five replicates of 10 birds each. In the second experiment, 320 broiler breeder hens (Ross 308) were used from 53 to 62\u00a0weeks of age in a 2\u00a0\u00d7\u00a04 factorial arrangement (0 or 1.2\u00a0g <jats:styled-content style=\"fixed-case\">GAA<\/jats:styled-content>\/kg diet along with 0, 3, 6 or 9\u00a0g <jats:styled-content style=\"fixed-case\">ARG<\/jats:styled-content>\/kg diet). The hens received a diet containing 2800\u00a0kcal <jats:styled-content style=\"fixed-case\">ME<\/jats:styled-content>\/kg and 14% <jats:styled-content style=\"fixed-case\">CP<\/jats:styled-content>. Sixteen sexually mature Ross 308 breeder roosters (34\u00a0weeks old) were used to artificially inseminate the hens. Fertility of the hens was determined in 61 and 62\u00a0weeks of age. The sperm penetration holes in the inner perivitelline layer (<jats:styled-content style=\"fixed-case\">IPL<\/jats:styled-content>) overlying the germinal disc were enumerated on days 3 and 7 following each insemination. Adding <jats:styled-content style=\"fixed-case\">GAA<\/jats:styled-content> to the breeder diet increased the number of <jats:styled-content style=\"fixed-case\">SP<\/jats:styled-content>s in the <jats:styled-content style=\"fixed-case\">IPL<\/jats:styled-content> and fertility in both experiments (p\u00a0&lt;\u00a00.01). The interactive effect of <jats:styled-content style=\"fixed-case\">ARG<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">GAA<\/jats:styled-content> on the <jats:styled-content style=\"fixed-case\">SP<\/jats:styled-content> and fertility was significant. Supplementary <jats:styled-content style=\"fixed-case\">ARG<\/jats:styled-content> increased the <jats:styled-content style=\"fixed-case\">SP<\/jats:styled-content> rate in the <jats:styled-content style=\"fixed-case\">IPL<\/jats:styled-content> (p\u00a0&lt;\u00a00.01). In conclusion, dietary supplementation of <jats:styled-content style=\"fixed-case\">GAA<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">ARG<\/jats:styled-content> might be potentially used to improve the fertility of broiler breeder hens at the later phase of the egg production period.<\/jats:p>","DOI":"10.1111\/jpn.12372","type":"journal-article","created":{"date-parts":[[2015,7,28]],"date-time":"2015-07-28T07:15:59Z","timestamp":1438067759000},"page":"316-322","source":"Crossref","is-referenced-by-count":26,"title":["Effect of feeding guanidinoacetic acid and L\u2010arginine on the fertility rate and sperm penetration in the perivitelline layer of aged broiler breeder hens"],"prefix":"10.1111","volume":"100","author":[{"given":"H.","family":"Sharideh","sequence":"first","affiliation":[{"name":"Department of Animal Science College of Agriculture and Natural Resources University of Tehran Karaj Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L.","family":"Esmaeile Neia","sequence":"additional","affiliation":[{"name":"Department of Animal Science College of Agriculture and Natural Resources University of Tehran Karaj Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Zaghari","sequence":"additional","affiliation":[{"name":"Department of Animal Science College of Agriculture and Natural Resources University of Tehran Karaj Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Zhandi","sequence":"additional","affiliation":[{"name":"Department of Animal Science College of Agriculture and Natural Resources University of Tehran Karaj Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.","family":"Akhlaghi","sequence":"additional","affiliation":[{"name":"Department of Animal Science College of Agriculture Shiraz University Shiraz Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L.","family":"Lotfi","sequence":"additional","affiliation":[{"name":"Department of Animal Science College of Agriculture and Natural Resources University of Tehran Karaj Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2015,7,28]]},"reference":[{"key":"e_1_2_5_2_1","doi-asserted-by":"publisher","DOI":"10.2141\/jpsa.0120045"},{"key":"e_1_2_5_3_1","doi-asserted-by":"publisher","DOI":"10.3382\/ps.2013-03617"},{"key":"e_1_2_5_4_1","first-page":"608","article-title":"Effect of L\u2010carnitine on duck breeder fertility, hatchability and sex hormones","volume":"11","author":"Al\u2010Daraji H. 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