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Swine Nutrition and Feed Technology
Asian-Australasian Journal of Animal Sciences 1991;4(4): 353-360.
DOI: https://doi.org/10.5713/ajas.1991.353    Published online December 1, 1991.
Effects of lysine and sodium on the growth performance, bone parameter, serum composition and lysine-arginine antagonism in Broiler Chicks
C. H. Yun, I. K. Han, Y. J. Choi, B. C. Park, H. S. Lee
An experiment with completely randomized design was performed to investigate the effects of lysine and supplemented sodium on growth performance, nutrients utilization, acid-base balance and lysine arginine antagonism in broiler chicks. The experiment was carried out with 3 levels of dietary lysine (0.6, 1.2 and 1.8%) and 3 levels of sodium(0.4, 0.8 and 1.2%) for an experimental period of 7 weeks. Body weight gain of 1.2% lysine group was significantly (p<0.01) higher than that of low or high lysine group. The highest feed consumption was obtained at 1.2% lysine and 0.4% sodium supplemented level (ML-1.2) and the lowest at LL-1.2. The best feed efficiency was obtained at ML-0.8 level and the worst at LL-1.2 level. Mortalities of high (1.8%) and low (0.6%) lysine groups were significantly (p<0.05) higher than medium lysine (1.2%) group. Among the sodium levels, the mortality at 1.2% sodium supplemented level was significantly (p<0.01) different by the levels of dietary lysine. Lysine-arginine antagonism was observed in high lysine diet. Among the lysine levels, the lowest none weight and length were shown in low lysine group. Interactions between lysine and sodium were significantly (p<0.05) shown in femur weight. The levels of sodium and lysine affected significantly (p<0.01) the utilization of nitrogen, ether extract, total carbohydrate and energy.
Keywords: Broiler; Sodium; Lysine; Lysine-Arginine Antagonism

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