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Cattle Boards
Artificial Insemination (AI) for Cattle
Embryo’s…?
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<blockquote data-quote="moses388" data-source="post: 1725374" data-attributes="member: 27368"><p>Earlier in the thread I posted a link to a pdf file. I am no expert on embryos, but here is what it says on grade/quality numbers. page 31/32 - Grade/quality numbers are 1-4. They refer to the composition and quantity of debris that is not part of the main cell mass.</p><p></p><p>To rephrase - </p><p>When a fertilized egg grows, the cells divide or split in half. This creates 2 cells where there was only 1 cell; these are called blastomere. Some blastomeres remain part of the main cell mass, but others may travel away from the main cell and are called extruded blastomeres (debris). Extruded blastomeres are visible under a microscope. The grade reflects the quantity of extruded blastomeres. A grade of 1 means there are no extruded blastomeres. A grade of 4 means there are numerous extruded blastomeres. The quantity of debris does not affect the viability of the embryo.</p></blockquote><p></p>
[QUOTE="moses388, post: 1725374, member: 27368"] Earlier in the thread I posted a link to a pdf file. I am no expert on embryos, but here is what it says on grade/quality numbers. page 31/32 - Grade/quality numbers are 1-4. They refer to the composition and quantity of debris that is not part of the main cell mass. To rephrase - When a fertilized egg grows, the cells divide or split in half. This creates 2 cells where there was only 1 cell; these are called blastomere. Some blastomeres remain part of the main cell mass, but others may travel away from the main cell and are called extruded blastomeres (debris). Extruded blastomeres are visible under a microscope. The grade reflects the quantity of extruded blastomeres. A grade of 1 means there are no extruded blastomeres. A grade of 4 means there are numerous extruded blastomeres. The quantity of debris does not affect the viability of the embryo. [/QUOTE]
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Embryo’s…?
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