Korean Journal of Agricultural Science (농업과학연구)

Institute of Agricultural Science, CNU (충남대학교 농업과학연구소)
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Study of six different commercial Koran-native chicken crossbreeds from hatch to twelve weeks of age

  • Shin, Taeg Kyun (Department of Animal Science and Biotechnology, Chungnam National University) ;
  • Wickramasuriya, Samiru Sudharaka (Department of Animal Science and Biotechnology, Chungnam National University) ;
  • Kim, Eun Joo (Department of Animal Science and Biotechnology, Chungnam National University) ;
  • Cho, Hyun Min (Department of Animal Science and Biotechnology, Chungnam National University) ;
  • Hong, Jun Seon (Department of Animal Science and Biotechnology, Chungnam National University) ;
  • Lee, Hyun Gyu (Department of Animal Science and Biotechnology, Chungnam National University) ;
  • Heo, Jung Min (Department of Animal Science and Biotechnology, Chungnam National University) ;
  • Yi, Young-Joo (Division of Biotechnology, Safety, Environment and Life Science Institute, Chonbuk National University)
  • Received : 2017.10.31
  • Accepted : 2017.11.20
  • Published : 2017.12.31
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Abstract

A study was conducted to compare growth performance of six female commercial Korean native chicken (KNC) crossbreeds from hatching to twelve weeks of age. Three hundred and twelve, 1-day-old female commercial KNC were used within 1 paternal line and 6 maternal lines. The chickens were allocated to 24 battery cages to give 4 replicates per strain with 13 chickens per cage. The chickens were reared under continuous lighting (24 h) and water was available at all times. Ad-libitum feeding was practiced throughout the experimental period. Among the six different strains, 2A had the greatest bodyweight (BW) at 42 days after hatching (p < 0.05). No BW difference between six crossbreed strains (p > 0.05) was found thereafter. Crossbreed 1A had the higher average daily gain (ADG) than crossbreed 2A and 3A chickens (p < 0.05), whereas crossbreed 4A, 5A, and 6A had similar ADGs to that of crossbreed 1A (p > 0.05) at 84 days after hatching. Furthermore, crossbreed 4A had a great average daily feed intake (ADFI) from hatching to 84 days (p < 0.05). Nonetheless, there was no difference in the feed conversion ratio (FCR) and uniformity between six crossbreed strains for the experimental period (p > 0.05). Despite that 1A, 4A, and 6A had the higher viability (p < 0.05) than crossbreed 2A and 5A, they had a similar viability than crossbreed 3A (p > 0.05). With this in mind, crossbreed 2A had greater BW, ADG, and FCR than other chicken crossbreeds from hatching to 84 days, although they had a lower viability than others.

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References

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