Alternative Feedstuffs Corn gluten meal Corn gluten meal Distillers grains Distillers grains.

Alternative FeedstuffsAlternative Feedstuffs

• Corn gluten mealCorn gluten meal

• Distillers grainsDistillers grains

Wet Milling Process of CornWet Milling Process of Corn

Corn Corn SyrupSyrup

StarchStarch

GermGerm

GlutenGluten

SteepwaterSteepwater(Solubles)(Solubles)

Bran Bran (fiber)(fiber)

Corn OilCorn Oil

Corn GermCorn GermMealMeal

Corn Gluten Corn Gluten MealMeal

Corn Gluten Corn Gluten FeedFeed

CornCorn

EthanolEthanol

Dry Milling Process of CornDry Milling Process of Corn

CornCorn GlucoseGlucose FermentationFermentation EthanolEthanol

EnzymesEnzymes YeastYeast

DistillersDistillersSolublesSolubles

DistillersDistillersGrainsGrains

Distillers Dried Grains with Solubles (DDGS)Distillers Dried Grains with Solubles (DDGS)

Nutrient Nutrient CompositionComposition

NutrientNutrientCornGrain

Corn Gluten Feed

Distillers Grains

Crude protein (%)Crude protein (%)Crude fat (%)Crude fat (%)Starch (%)Starch (%)Crude fiber (%)Crude fiber (%)Lysine (% of protein)Lysine (% of protein)Yellow pigments Yellow pigments (ppm)(ppm)

88 3.53.5

6565 1.91.9 3.23.2 12.912.9

21 21 2 2 212110 10

2.92.9 13.2 13.2

2727 99 ----

8.58.5 3.33.3 38.638.6

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Corn Gluten FeedCorn Gluten Feed(2001 Study)(2001 Study)

Corn Gluten Corn Gluten FeedFeed(%)(%)

WeightWeightGainGain

(lb/fish)(lb/fish)

Feed Conversion(feed/gain)

Survival(%)

0025255050

1.07 1.17 1.01

1.68 1.72 1.75

99.099.198.8

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Corn Gluten FeedCorn Gluten Feed(2001 Study)(2001 Study)

Corn Gluten Corn Gluten FeedFeed(%)(%)

Carcass Yield*

(%)

Visceral Fat*(%)

Fillet Fat*(%)

0025255050

56.8 b57.5 a57.8 a

4.0 a3.3 b2.9 b

8.1 a 7.0 ab5.7 b

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* Statistical difference * Statistical difference

Corn Gluten Feed Corn Gluten Feed (On-going Study)(On-going Study)

Corn Gluten FeedCorn Gluten Feed(%)(%)

CornCorn(%)(%)

Floatability*Floatability*(%)(%)

25375263

2515

7.5 0

86846046

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________________________________________* 20 minutes in water* 20 minutes in water

Corn Gluten Feed Corn Gluten Feed (On-going Study)(On-going Study)

Corn Gluten FeedCorn Gluten Feed(%)(%)

CornCorn(%)(%)

Feed DustFeed Dust(%)(%)

Feed Dust* Feed Dust* (%)(%)

25375263

2515

7.5 0

1.00.92.16.2

0.80.71.31.7

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________________________________________*After mixing in concrete mixer for 10 minutes*After mixing in concrete mixer for 10 minutes

Distillers GrainsDistillers Grains

DietDietWeightWeightGain*Gain*

(lb/fish)(lb/fish)

FeedFeedConversion*Conversion*(feed/gain)(feed/gain)

Survival(%)

43% SBM 30% DDGS/30% SBM 20% DDGS/44% CSM

2.39 b2.60 a

2.41 ab

2.13 a2.13 a1.97 b 1.97 b 2.10 a 2.10 a

98.298.298.598.599.699.6

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* Statistical difference * Statistical difference

Distillers Grains Distillers Grains

DietDietCarcass

Yield(%)

Fillet Yield(%)

Fillet Fat*(%)

43% SBM 30% DDGS/30% SBM 20% DDGS/44% CSM

67.667.067.0

36.836.3 36.4

5.9 b8.1 a6.6 b

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_________________________________________* Statistical difference * Statistical difference

Effects of Yellow Pigments Effects of Yellow Pigments on Catfish Appearance on Catfish Appearance

Fish Size and Feed ConversionFish Size and Feed Conversion