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Chick culling or unwanted chick killing is the process of separating and killing unwanted (male and unhealthy female) chicks for which the intensive animal farming industry has no use. It occurs in all industrialised egg production , whether free range , organic , or battery cage .
This can lead to fetal malformations [2] [24] and low birth weight. [ 2 ] [ 6 ] [ 10 ] The umbilical vessels may also be longer compared to normal, [ 2 ] particularly when the site of velamentous cord insertion is in the lower uterine section as the extension of the uterine isthmus as pregnancy advances causes vessel elongation. [ 3 ]
Vasa praevia or vasa previa is a complication of obstetrics in which fetal blood vessels cross or run near the internal opening of the uterus.Since these vessels are not protected by the umbilical cord or placental tissue, the rupture of the fetal membranes during birth causes them also to rupture, leading rapidly to death of the fetus.
Baby is in an unusual position: breech (buttocks first) or transverse (lying horizontally across the womb). Placenta praevia is itself a risk factor of placenta accreta . Alcohol use during pregnancy was previously listed as a risk factor, but is discredited by this article.
Placenta shown with attached fetal membranes The fetal membranes surround the developing embryo and form the fetal-maternal interface . [ 3 ] The fetal membranes are derived from the trophoblast layer (outer layer of cells) of the implanting blastocyst . [ 3 ]
Doctors have a clear message for mothers: Stop eating your placenta, or risk your newborn baby's health. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 ...
Vent sexing, also known simply as venting, involves squeezing the feces out of the chick, which opens up the chick's anal vent (called a cloaca) slightly, allowing the chicken sexer to see if the chick has a small "bump", which would indicate that the chick is a male. Some females also have bumps, though they are rarely as large as those of ...
Histopathology of placenta with increased syncytial knotting of chorionic villi, with two knots pointed out. The following characteristics of placentas have been said to be associated with placental insufficiency, however all of them occur in normal healthy placentas and full term healthy births, so none of them can be used to accurately diagnose placental insufficiency: [citation needed]