Yolk absorption and embryo development of small and large eggs originating from young and old breeder hens.

@article{Nangsuay2011YolkAA,
  title={Yolk absorption and embryo development of small and large eggs originating from young and old breeder hens.},
  author={A Nangsuay and Yuwares Ruangpanit and Ron Meijerhof and Seksom Attamangkune},
  journal={Poultry science},
  year={2011},
  volume={90 11},
  pages={
          2648-55
        }
}
To evaluate the effect of breeder age and egg size on yolk absorption and embryo development, a total of 4,800 Ross 308 hatching eggs were subjected to 4 treatments arranged in a 2 × 2 factorial randomized complete block design using 2 breeder ages (29 and 53 wk of age, or young and old) and 2 egg sizes (57-61 g and 66-70 g, or small and large). A significant interaction between breeder age and egg size was found for egg composition. Yolk weight increased with flock age, whereas a larger egg… CONTINUE READING
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