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http://dx.doi.org/10.7744/kjoas.20210007

Comparison of growth performance of Korean native chickens, broiler chickens and white semi broilers during 40 days after hatching  

Yu, Myunghwan (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)
Kim, Yu Bin (Department of Animal Science and Biotechnology, Chungnam National University)
Nawarathne, Shan Randima (Department of Animal Science and Biotechnology, Chungnam National University)
Heo, Jung Min (Department of Animal Science and Biotechnology, Chungnam National University)
Yi, Young-Joo (Department of Agricultural Education, Sunchon National University)
Publication Information
Korean Journal of Agricultural Science / v.48, no.1, 2021 , pp. 133-140 More about this Journal
Abstract
The aim of this study was to evaluate the growth performance between two different crossbred strains of Korean native chickens denoted as 1A and 2A compared to white semi broilers and Ross (RR) from hatching to 40 days. In total, 576 one-day-old chicks were allocated in a completely randomized design to give 18 replicate cages each (eight chicks per cage). The two-phase feeding program consisted of the starter (day 1 - 21: Crude protein [CP] 20% and metabolizable energy [ME], 3,050 kcal·kg-1) and the grower (day 22 - 40: CP 18%, 3,100 kcal·kg-1). The results revealed that 1A and 2A had a lower (p < 0.05) body weight (BW) from day 1 to day 40 compared with the other groups. A lower (p < 0.05) average daily gain (ADG) was observed in 1A and 2A during the entire period when compared with the other groups. The 1A and 2A groups had the minimum (p < 0.05) average daily feed intake (ADFI) compared with the other groups for the whole period. The RR had an improved (p < 0.05) FCR compared with the other groups during the whole period. The 1A and 2A groups were observed to have the lowest (p < 0.05) shank length compared with the other groups during the entire period.
Keywords
crossbreed; growth performance; Korean native chickens; Ross; white semi broiler;
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Times Cited By KSCI : 3  (Citation Analysis)
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