Korean Journal of Agricultural Science (농업과학연구)

Institute of Agricultural Science, CNU (충남대학교 농업과학연구소)
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Comparison of the growth performance, nutrient digestibility, fecal microflora, blood profiles, and meat quality of broilers, Korean native chickens and white semi broilers under an identical breeding environment

  • Oh, Han Jin (Division of Food and Animal Science, Chungbuk National University) ;
  • Kim, Kwon Jung (Division of Food and Animal Science, Chungbuk National University) ;
  • Bae, In Kyu (Division of Food and Animal Science, Chungbuk National University) ;
  • Yun, Won (Division of Food and Animal Science, Chungbuk National University) ;
  • Lee, Ji Hwan (Division of Food and Animal Science, Chungbuk National University) ;
  • Lee, Chang Hee (Division of Food and Animal Science, Chungbuk National University) ;
  • Kwak, Woo Gi (Division of Food and Animal Science, Chungbuk National University) ;
  • Liu, Shudong (Division of Food and Animal Science, Chungbuk National University) ;
  • An, Ji Seon (Division of Food and Animal Science, Chungbuk National University) ;
  • Yang, Seung Hun (Division of Food and Animal Science, Chungbuk National University) ;
  • Kim, Gok Mi (Department of beauty art, Yonam college) ;
  • Choi, Yang il (Division of Food and Animal Science, Chungbuk National University) ;
  • Cho, Jin Ho (Division of Food and Animal Science, Chungbuk National University)
  • Received : 2018.09.06
  • Accepted : 2019.05.27
  • Published : 2019.06.01
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Abstract

The purpose of this study was to compare the growth performance, nutrient digestibility, fecal microflora, blood profiles and meat quality of broilers, Korean native chickens and white semi broilers under identical feeding conditions. Sixty 1-d chicks of each type were randomly placed into 12 pens per cage (5 chicks per cage) and fed commercial diets for 28, 49, and 28 days, respectively. The broilers showed a significantly higher (p < 0.05) growth performance from 0 to 4 weeks compared with the other types. Korean native chickens had a significantly higher (p < 0.05) digestibility of dry matter and nitrogen than that of the other species. The blood glucose was significantly higher in the Korean native chickens compared to the other species, and the blood cholesterol was significantly lower. The Lactobacillus content in Korean native chickens was significantly higher (p < 0.05) compared to the other species, and the E. coli content in the broilers was significantly higher (p < 0.05) than in the Korean native chickens and white semi broilers. In terms of meat quality, the breast meat of the broilers had a high water content and pH level. The breast meat of the white semi broilers had a significantly lower (p < 0.05) shear force than that of the other species. In conclusion, there was an interspecific physiological difference due to the age and body weight of the chickens. The broilers had a higher growth performance and meat quality compared to the Korean native chickens and white semi broilers.

Keywords

Table 1. Compositions of basal diets (as-fed basis).

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Table 2. Difference of growth performance between broiler, Korean native chicken and white semi broilerz.

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Table 3. Difference of nutrient digestibility between broiler, Korean native chicken and white semi broilerz.

CNNSA3_2019_v46n2_351_t0003.png 이미지

Table 4. Difference of blood profiles between broiler Korean native chicken and white semi broilerz.

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Table 5. Difference of fecal microflora between broiler, Korean native chicken and white semi broilerz.

CNNSA3_2019_v46n2_351_t0005.png 이미지

Table 6. Difference of meat quality between broiler, Korean native chicken and white semi broilerz.

CNNSA3_2019_v46n2_351_t0006.png 이미지

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