45 2, (2018) Korean J. Poult. Sci. Vol.45, No.2, (2018) 73 Calculation of Replacement Price for

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45 2, 73 79 (2018) Korean J. Poult. Sci. Vol.45, No.2, 73 79 (2018) https://doi.org/10.5536/kjps.2018.45.2.73 73 Calculation of Replacement Price for Alternative Feed Ingredient in Consideration of

1 45 2, (2018) Korean J. Poult. Sci. Vol.45, No.2, (2018) 73 Calculation of Replacement Price for Alternative Feed Ingredient in Consideration of Nutrient Content in Feed Ingredient Fed to Broiler Chickens Su Hyun An and Changsu Kong Department of Animal Science, Kyungpook National University, Sangju 37224, Republic of Korea ABSTRACT The objective of this study was to calculate the unit price of an alternative feed ingredient for broiler chickens in consideration of the energy and nutritive contents in the feed ingredient by using a simple Excel worksheet. A corn-distiller s dried grains with solubles (corn-ddgs) was used as an alternative ingredient and corn and soybean meal as ingredients to be replaced. The net change of feed price was calculated based on the replacement values which were estimated in consideration of energy and nutrient concentration in feed ingredients used in the calculation, the price of feed ingredients and inclusion rate of the alternative ingredient. The nitrogen corrected apparent metabolizable energy(amen) and standardized ileal digestible AA including Lys, Met, Thr, and Trp, total Ca, and available P were employed as nutritive component to calculate the replacement values for individual feed ingredients. The equation for replacement was 1 corn DDGS soybean oil Limestone = corn soybean meal Lys Met Trp Thr dicalcium phosphate. The replacement price of corn DDGS was calculated to be 270 won/kg when the inclusion rate was 15% and the energy and nutrient contents were considered in the calculation. In conclusion, the Excel-based ingredient price calculator may be useful to determine the economic value when an alternative feed ingredient is used in diets fed to broiler chickens. (Key words: alternative ingredient, feed price, broilers, replacement value) 60% (Dozier et al., 2008).,.,,.,.,.,.,. (US Grains Council, 2012), , 34% (USDA ERS Database, 2015), 4.6% To whom correspondence should be addressed : changsukong@gmail.com

2 74 : (United Nations Corntrade Database, 2015)., (US Grains Council, 2012). St-Pierre and Glamocic(2000),., (Gabler et al., 2000; Thomson and Nolan, 2001; Roush et al., 2007),.,,.,. Sauvant et al.(2004) AMINODat 4.0(Evonik Industries, 2010),, Waldroup et al.(2007), AMINODat 4.0(Evonik Industries, 2010) Wang et al.(2007) (Table 1).,.,.,, 2. Microsoft Excel Table 1. Nutritional composition of feed ingredients used in this study (As-is basis) 1 Ingredients AMEn (kcal/kg) Standardized ileal digestible basis Lys (%) Met (%) Thr (%) Trp (%) Total Ca (%) Avail. P (%) Corn 3, SBM 48% CP 2, Corn-DDGS 2, DCP Limestone Soybean oil 9, DL-Met L-Lys L-Thr L-Trp The values of nitrogen corrected apparent metabolizable energy and mineral contents in feed ingredients were derived from Sauvant et al. (2004). The values of nitrogen corrected apparent metabolizable energy and mineral contents in corn-distiller s dried grains with solubles were derived from Waldroup et al. (2007) and Wang et al. (2007), respectively. The values of amino acids concentrations of all feed ingredients were derived from AMINODat 4.0 (Evonik Industries, 2010). 2 DCP = dicalcium phosphate.

3 An and Kong: Calculation of Replacement Price for Alternative Feed Ingredient 75 (Fig. 1)., 2(Fig. 2) (Replacement Value). (Nitrogen-corrected apparent metabolizable energy), (Standardized ileal digestible) (Lys), (Met), (Thr), (Trp), (Total Ca), (Available P). 3 4(Fig. 3 and Fig. 4) 2 kg (Fig. 3) (Fig. 4). 2(Fig. 2),,..,, 100%,,, 0 ( - - )., 3, ( ), 90% , (15%) (%).,,. Fig. 1. Nutrient compositions of selected feed ingredients used in this trial. Composition values are on an as-fed basis. The values of nitrogen corrected apparent metabolizable energy and mineral contents in feed ingredients were derived from Sauvant et al. (2004). The values of nitrogen corrected apparent metabolizable energy and mineral contents in corn-distiller s dried grains with solubles were derived from Waldroup et al. (2007) and Wang et al. (2007), respectively. The amino acids concentrations of all feed ingredients were derived from AMINODat 4.0 (Evonik Industries, 2010).

76 : Fig. 2. Nutrient contents to calculate the replacement coefficient. Each replacement value is calculated by balancing the nutrient contents among feed ingredients..,.,,, 2016... 1 + 0.0334 + 0.

4 76 : Fig. 2. Nutrient contents to calculate the replacement coefficient. Each replacement value is calculated by balancing the nutrient contents among feed ingredients..,.,,, = ( = , = ), (0.8893) (0.13), ( = , = , = , = , 2 = ). 90%, 15% kg 9.46 (Fig. 3) US Grain Council /kg

5 An and Kong: Calculation of Replacement Price for Alternative Feed Ingredient 77 Fig. 3. A sample calculation of the difference in feed price when the price of corn-distiller s dried grains with solubles (corn-ddgs, 207 won/kg) was set at 90% of the price of corn (230 won/kg). The energy and nutrient concentration of feed ingredients were considered in the calculation and the net change of feed price by using 15% of corn-ddgs was 9.46 won (= ) per kg of feed. 90% 207 /kg, 15% 270 /kg, % (Fig. 4).,..... %.

6 78 : Fig. 4. A sample calculation for the price of alternative feed ingredient (corn-distiller s dried grains with solubles; corn-ddgs) when the net change of feed price by using 15% of corn-ddgs was set at 0 won per kg of feed. The price of corn-ddgs was calculated to be 270 won per kg of feed when the energy and nutrient concentration of feed ingredients were considered in the calculation. (Nitrogen-corrected apparent metabolizable energy), (Standardized ileal digestible) (Lys), (Met), (Thr) (Trp) (Total Ca) (Available P)., : = % 270 /kg.. ( :,,, ) 2017 ( ) (NRF-2015R1C1A1A ). Dozier WA, Kidd MT, Corzo A 2008 Dietary amino acid responses of broiler chickens: A review. J Appl Poult Res

7 An and Kong: Calculation of Replacement Price for Alternative Feed Ingredient 79 17(1): Evonik Industries 2010 AMINODat 4.0. Platinum version. Evonik Degussa GmbH, Hanau-Wolfgang, Germany. Gabler MT, Tozer PR, Heinrichs AJ 2000 Development of a cost analysis spreadsheet for calculating the costs to raise a replacement dairy heifer. J Dairy Sci 83(5): Roush WB, Purswell J, Branton SL 2007 An adjustable nutrient margin of safety comparison using linear and stochastic programming in an excel spreadsheet. J Appl Poult Res 16(4): Sauvant D, Perez JM, Tran G 2004 Tables of Composition and Nutritional Value of Feed Materials: Pigs, Poultry, Cattle, Sheep, Goats, Rabbits, Horses and Fish. Wageningen Academic Publishers. St-Pierre NR, Glamocic D 2000 Estimating unit costs of nutrients from market prices of feedstuffs. J Dairy Sci 83(6): Thomson E, Nolan J 2001 UNEForm: A powerful feed formulation spreadsheet suitable for teaching or on-farm formulation. Anim Feed Sci Tech 91(3-4): United Nations Comtrade Database 2015 United Nations Comtrade Database. Available from: org/. Accessed on September US Grains Council 2012 DDGS User Handbook, 3rd ed. Available from: cfans_asset_ pdf. Accessed on September USDA ERS Database 2015 Available from: usda.gov/data-products/us-bioenergy-statistics/. Accessed on September Waldroup PW, Wang Z, Coto C, Cerrate S, Yan F 2007 Development of a standardized nutrient matrix for corn distillers dried grains with solubles. Int J Poult Sci 6(7): Received Apr. 18, 2018, Revised May 14, 2018, Accepted May 14, 2018

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