{"id":434,"date":"2001-01-01T00:00:00","date_gmt":"2001-01-01T00:00:00","guid":{"rendered":"http:\/\/zebrafinch.info\/how-can-i-tell-if-the-eggs-are-fertile\/"},"modified":"2001-01-01T00:00:00","modified_gmt":"2001-01-01T00:00:00","slug":"how-can-i-tell-if-the-eggs-are-fertile","status":"publish","type":"post","link":"https:\/\/zebrafinch.info\/da\/how-can-i-tell-if-the-eggs-are-fertile\/","title":{"rendered":"How can I tell if the eggs are fertile?"},"content":{"rendered":"<p>1) Wait until the birds have been sitting on the eggs for a about a week. <\/p>\n<p>_x000D_<br \/>\n_x000D_<\/p>\n<p>2) Hold them <i>(the eggs, not the birds!) <\/i>against a bright light (like a light_x000D_<br \/>\nbulb). <\/p>\n<p>_x000D_<br \/>\n_x000D_<\/p>\n<p>3) If they seem clear (&quot;transparent&quot;), then they are no good. If you see_x000D_<br \/>\nsmall veins, or the egg is dark, then the egg is probably fertile: put it back and wait._x000D_<br \/>\nIf the egg has been dark for a longer time than the expected incubation period, the chick_x000D_<br \/>\ncould have died in the egg or you could just have a rotten egg on your hands (so to_x000D_<br \/>\nspeak), and you will have to discard the egg. It is best, however, to wait quite a while_x000D_<br \/>\nbefore doing so unless you have a lot of experience looking at eggs or are really certain_x000D_<br \/>\nof how long the birds have been sitting on the eggs. The normal incubation period of_x000D_<br \/>\ndomesticated zebra finches is around 13 days. Zebra finches usually start roosting when_x000D_<br \/>\nthe third egg is laid.<br \/>_x000D_<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1) Wait until the birds have been sitting on the eggs for a about a week. _x000D_ _x000D_ 2) Hold them (the eggs, not the birds!) against a bright light (like a light_x000D_ bulb). _x000D_ _x000D_ 3) If they seem clear (&quot;transparent&quot;), then they are no good. If you see_x000D_ small veins, or the egg [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"single-post","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[37],"tags":[],"class_list":["post-434","post","type-post","status-publish","format-standard","hentry","category-questions"],"_links":{"self":[{"href":"https:\/\/zebrafinch.info\/da\/wp-json\/wp\/v2\/posts\/434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zebrafinch.info\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zebrafinch.info\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zebrafinch.info\/da\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zebrafinch.info\/da\/wp-json\/wp\/v2\/comments?post=434"}],"version-history":[{"count":0,"href":"https:\/\/zebrafinch.info\/da\/wp-json\/wp\/v2\/posts\/434\/revisions"}],"wp:attachment":[{"href":"https:\/\/zebrafinch.info\/da\/wp-json\/wp\/v2\/media?parent=434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zebrafinch.info\/da\/wp-json\/wp\/v2\/categories?post=434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zebrafinch.info\/da\/wp-json\/wp\/v2\/tags?post=434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}