Development of the Embryo in Poultry Science
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Questions and Answers

What is a distinguishing feature that appears on the eighth day?

  • Hardening of the beak
  • Webbing between digits
  • Appearance of flight feather follicles
  • Distinct elongation of the neck (correct)

Which feature is NOT observed by the tenth day?

  • Presence of toes and scales on legs
  • Distinct elongation of the neck (correct)
  • Hardening of the beak
  • Presence of comb and wattle

What happens to the webbing between digits by the ninth day?

  • It starts to harden
  • It completely disappears (correct)
  • It develops distinct patterns
  • It becomes more pronounced

What is a notable change in the eye lid appearance by the eleventh day?

<p>The lids form a narrow elliptical slit (A)</p> Signup and view all the answers

Which characteristic is NOT associated with the tenth day development?

<p>Elongation of the neck (D)</p> Signup and view all the answers

What is a notable feature that appears by the thirteenth day?

<p>White uric acid precipitates are present within the allantoic sac (A)</p> Signup and view all the answers

Which feature does NOT characterize the development by the twelfth day?

<p>The embryo moves independent of the amnion (A)</p> Signup and view all the answers

What is a significant change in eye lid appearance by the tenth day?

<p>Ellipsoidal shape (B)</p> Signup and view all the answers

What feature is prominently present on legs by the twelfth day?

<p>Primordial scales (C)</p> Signup and view all the answers

What can be used to determine gender at an early stage of development?

<p>Gonadal appearance (D)</p> Signup and view all the answers

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