read assn 2

read assn 2 - not harmed during an in ovovaccination. 8. To...

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Dr. Emmert POSC 2353 25 April 2007 Reading Assignment 2 1. Fresh egg breakout, candling breakout, and hatch day. 2. Advantages include being the quickest, and being able to look at the eggs of treated hens. A disadvantage is that it only provides information on fertility estimates and a loss of valuable hatching eggs. 3. Shape, size, and color intensity 4. It offers the most accuracy and does a god job at recognizing sources of breeder flock or hatchery failures. 5. It can be done as early as five days into incubation but usually around 9 or 10 days. 6. Clear eggs consist of infertiles and early dead embryos. 7. The large end must be up to increase hatchability, and make sure the embryo is
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Unformatted text preview: not harmed during an in ovovaccination. 8. To provide information about solving problems like hatchability, breeder flock problems, and profitability. 9. Infertiles, embryo mortality, embryo malpositions, embryo abnormalities, pipped, cull eggs, farm and transfer cracks, contaminated eggs, cull chicks, and upside-down. 10. It can be identified by looking at signs of development and by examining yolk color and albumen consistency. An infertile yolk will be brighter than a fertile one, and albumen is thicker in infertile eggs....
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