ACTA VETERINARIA ET ZOOTECHNICA SINICA

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Study on the Relationship between the Organic Ingredients in Eggshell and Eggshell Quality

ZHANG Ling-ling1, LI Qi-zhang1, JIANG Tao1, ZHANG Shi-yuan1*, SU Yi-jun2   

  1.  (1. College of Animal Science and Technology,Yangzhou University,Yangzhou 225009,China; 2. Institute of Poultry Science, Chinese Academy of Agricultural Sciences, Yangzhou 225125, China)
  • Received:2012-03-30 Online:2013-02-23 Published:2013-02-23

Abstract:

In order to research the relationship between the organic ingredients in eggshell and eggshell quality, 30 eggs from each breed were collected randomly. All breeds including Beijing You chicken, Large Silky Fast chicken, Bian chicken, Chahua chicken, Tibetan chicken and Jinhu Wufeng chicken were bred under the same feed and management conditions for 38 weeks. These eggs were used to test their eggshell quality and organic ingredients in eggshell. The results showed that there was significant difference (P<0.05) on eggshell quality and the organic ingredients in eggshell among different breeds. The content of protein in eggshell was extremely significantly and positively correlated with eggshell strength (r=0.839,P<0.01) and had significant positive correlation with eggshell thickness (r=0.224,P<0.05). The concentration of uronic acid and amino acid glucan in eggshell both had extremely significant and positive correlation with eggshell strengh (P<0.01). The conclusion of this research was that the difference of the content of the organic ingredients in eggshell was one of the most important factors affecting eggshell quality.

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