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Ten feeding experiments were conducted in starter period (0-21 days of age) and finisher period (28-63 days of age) to know the feeding value of fish meal in broiler feed.In the starter period, 4 experimental diets contained 24%-3050kcal/kg (CP-ME) were prepared, then white fish meal contents decreased for 4 steps 8% (control), 6%, 4% and 2% respectively. In the finisher period, 4 experimental diets contained 19.2%-3250kcal/kg (CP-ME) were prepared, then white fish meal contents decreased for 4 steps, 6% (control), 4%, 2% and 0% respectively. 1% of condensed fish soluble were supplied for UGF source in each groups apart from fish meal. Crude protein, Amino acids and Metabolizable energy contents of feed were arranged equivalent to control group. And then Vitamin and Mineral mixture were added same level in each groups both in starter and finisher diets.As the results, in the starter period, there were no differences in body weight gain, feed intake and feed conversion ratio in experimental groups. In the finisher period, decreasing of body weight gain was observed in fish meal 0% group.These results indicated that 2% of fish meal is enough for growth and feed utilization.
日本家禽学会の論文