{"id":4677,"date":"2009-01-01T01:01:01","date_gmt":"2009-01-01T01:01:01","guid":{"rendered":"http:\/\/export.maxmaziy.php.nixsolutions.com\/?p=4677"},"modified":"2009-01-01T01:01:01","modified_gmt":"2009-01-01T01:01:01","slug":"threonine-requirement-of-sows-in-early-mid-and-late-gestation","status":"publish","type":"post","link":"http:\/\/prairieswine.com\/rsc\/threonine-requirement-of-sows-in-early-mid-and-late-gestation\/","title":{"rendered":"Threonine requirement of sows in early, mid and late gestation"},"content":{"rendered":"<p>The THR requirement in early (35\u201353d),mid- (63-70d) and late (92\u2013110d)<br \/>\ngestation was determined by indicator amino acid (IAAO) oxidation in six<br \/>\nsecond parity sows fed THR from 60 % to 150 % of NRC (1998) estimated<br \/>\nrequirements. L[1-13C]phenylalanine was given orally at 30 min intervals for 8<br \/>\nmeals and expired 13CO2 was quantified. The nonlinear Mixed model in SAS<br \/>\nwas used to determine the THR requirement for each period by breakpoint<br \/>\nanalysis. Plasma THR was also used to estimate requirement.<br \/>\nSows responded differently to increasing levels of dietary THR in early and<br \/>\nlate gestation. Preliminary breakpoint analysis resulted in a THR requirement<br \/>\nof 6.1 g\/d in early gestation (R2=0.59), 7.0 g\/d in mid gestation (R2=0.55) and<br \/>\n13.6 g\/d in late gestation (R2=0.56). The THR requirement based on plasma<br \/>\nTHR was 7.2 g\/d (R2=0.90) in early gestation and 14.0 g\/d (R2=0.76) in late<br \/>\ngestation. The current recommended THR intake during gestation is 10 g\/d.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The THR requirement in early (35\u201353d),mid- (63-70d) and late (92\u2013110d) gestation was determined by indicator amino acid (IAAO) oxidation in six second parity sows fed THR from 60 % to 150 % of NRC (1998) estimated requirements. L[1-13C]phenylalanine was given orally at 30 min intervals for 8 meals and expired 13CO2 was quantified. The nonlinear [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[930],"tags":[7478,1809,8882,1440,350,577,102,7479,2258,16262,92,104,96,20911],"class_list":["post-4677","post","type-post","status-publish","format-standard","hentry","category-production","tag-aa","tag-acid","tag-al","tag-amino-acid","tag-co2","tag-diet","tag-gestation","tag-gestation-requirement","tag-oxidation","tag-pl","tag-plasma","tag-sow","tag-sows","tag-t"],"_links":{"self":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/posts\/4677","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/comments?post=4677"}],"version-history":[{"count":0,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/posts\/4677\/revisions"}],"wp:attachment":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/media?parent=4677"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/categories?post=4677"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/tags?post=4677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}