A review on yolk sac utilization in poultry

• Published in: Poultry science Vol. 99; no. 4; pp. 2162 - 2175
• Main Authors: van der Wagt, Ilonka, de Jong, Ingrid C., Mitchell, Malcolm A., Molenaar, Roos, van den Brand, Henry
• Format: Journal Article
• Language: English
• Published: England Elsevier Inc 01.04.2020; Elsevier
• Subjects: artificial selection; biotic factors; broiler chickens; efficiency; eggs; energy; growth and development; heat production; incubation; intestines; metabolic heat production; metabolism; nutrient content; nutrients; Physiology and Reproduction; poultry; temperature; yolk sac; yolk sac utilization; metabolic heat production; poultry; efficiency; yolk sac utilization; incubation

During incubation, embryonic growth and development are dependent on nutrients deposited in the egg. The content of the yolk can be transferred to the embryo in 2 ways: directly into the intestine via the yolk stalk or through the highly vascularized yolk sac membrane. It has been suggested that, as...