Ractopamine_presentation - Ractopamine, Response,...

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Ractopamine, Response, Economics, and Issues Allan P. Schinckel Purdue University Department of Animal Sciences
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Paylean™ - Ractopamine Feed additive; Feed 150 to 240 lbs. live weight (last 90 lbs. live weight gain); Feed at 4.5 to 18 grams/ton (5-20 ppm)
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Paylean™ - Ractopamine Small compound; Partitions energy from fat growth to lean growth; Increases protein accretion and muscle growth; Increases muscle fiber diameter.
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What is Ractopamine? agonist; not a hormone; not a steroid; not “biotechnology.”
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Impact of ractopamine level on average daily gain of SEW gilts. 1.00 1.05 1.10 1.15 1.20 1.25 1.30 7 9 82 84 87 89 2 4 96 99 101 1 0 3 5 Live Weight (kg) ADG (kg/day) 0 5ppm 10ppm 20ppm
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Impact of ractopamine on fat-free lean gain (g/d) on SEW gilts. 250 300 350 400 450 500 550 600 79 82 84 87 89 92 94 96 99 101 103 105 107 110 Live Weight (kg) Fat-Free Lean (g/day) 0 5ppm 10ppm 20ppm
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Impact of ractopamine on protein accretion. 100 120 140 160 180 200 220 79 82 84 87 89 92 94 96 99 101 103 105 107 110 Live Weight (kg) Protein Accretion (g/day) 0 5ppm 10ppm 20ppm
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Impact of ractopamine on lipid accretion (g/d). 200 250 300 350 400 450 79 82 84 8 7 89 92 94 9 6 99 101 10 3 5 110 Live Weight (kg) Lipid Accretion (g/day) 0 5ppm 10ppm 20ppm
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Impact of ractopamine level on feed conversion for SEW gilts. 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.1 3.3 7 9 82 84 87 89 2 94 96 99 1 0 03 05 07 110 Live Weight (kg) Feed:Gain 0 5ppm 10ppm 20ppm
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Value of 9 g/ton Ractopamine for the last 90 lbs. before market. Growth 4.1 less days $.15/day .62 Feed Cost: 337 lbs. of .6% lysine $.0503/lb. 16.95 289 lbs. of .78% lysine $.0539/lb. 15.58 48 lbs. 1.37 Dressing percentage 1.1% at 250 lbs. live weight 2.75 lb at $.60/lb. 1.65 Total $3.64
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Ractopamine fed at 9.0 g/ton for the last
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This note was uploaded on 03/01/2012 for the course ANSC 443 taught by Professor Staff during the Fall '08 term at Purdue University-West Lafayette.

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Ractopamine_presentation - Ractopamine, Response,...

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