dr. john patience - less obvious implications of using alternative ingredients
DESCRIPTION
Part I Less Obvious Implications of Using Alternative Ingredients in Practical Diets, Diet Decisions for the $ and the Hog - Dr. John Patience, Iowa State University, Department of Animal Science, from the 2012 Iowa Pork Congress, January 24 - 26, Des Moines, IA, USA.TRANSCRIPT
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
“NOT SO OBVIOUS” OBVIOUS CHALLENGES OF USING ALTERNATIVE INGREDIENTS IN PRACTICAL PIG DIETS
John F. PatienceApplied Swine NutritionDept. of Animal Science
Iowa State University
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
THINGS ARE NOT ALWAYS WHAT THEY SEEM
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
THINGS ARE NOT ALWAYS WHAT THEY SEEM
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
WHAT ARE THE “NSO” CHALLENGES?
1. Cost of energy and concentration of energy
2. Impact of ingredients on carcass and pork quality
3. Variability of nutrient composition
4. Differences in physical characteristics
5. Other
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
THE ISSUE
The cost differential as of January 23, 2012
between a traditional corn-soy diet
and a multi-ingredient diet
is at least $15.00/ton
and could be as high as $25.00/ton
or about $5/pig to $8/pig sold!!
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
HOW IMPORTANT IS FEED CONVERSION?
200 210 220 230 240 250 260 270 280 290 300 310 320 330 3400.250.270.290.310.330.350.370.390.410.430.450.470.49
Feed Conversion = 2.63 Feed Conversion = 2.93
Valu
e pe
r pig
of 0
.01
impr
ovem
ent
in fe
ed c
onve
rsio
n
Average wean-to-finish feed cost, $/ton
Each feed conversion point is worth 30 to 32 cents per pig at today’s feed costs
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
GETTING DOWN TO BRASS TACKS
• Pigs do not have requirements for ingredients, but rather energy and nutrients
Pigs around the world
are successfully raised to market
With little or no corn or soybean meal
in their diet
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
EXAMPLE WEST. CANADIAN PIG DIETS
25 to 50 lb 75 to 150 lb Lactation
Wheat 16.77 36.63 30.28
Barley 12.92 15.00 10.00
Corn DDGS 20.00 15.00 20.00
Field peas 25.00 25.00 25.00
Soybean meal 18.09 - 5.75
Canola meal 3.50 5.00 5.00
Canola oil 0.50 0.50 0.32
Enzyme 0.04 0.04 0.04
Premix 0.40 0.40 0.40
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EXAMPLE EUROPEAN PIG DIETS35 to 55 lb 75 to 155 lb Lactation
Wheat 7.50 7.50 17.40
Barley 29.99 28.94 15.00
Corn 10.00 21.00 14.30
Triticale 5.60 - -
Bakery by-product 5.00
Wheat middlings 7.50 7.50 14.10
Wheat feed 15.00 17.50
Soybean meal 12.60 7.50 10.80
Canola meal 5.00 3.20 2.80
Soybeans - - 5.00
Sunflower meal - 4.00 -
Sugar beet pulp 2.00 - 3.00
Cane molasses - - 3.50
Soybean hulls - - 2.00
Linseed meal - - 2.00
Oil: Fish/soya/palm 1.84 0.23 0.55
Diets kindly provided by Mr. Mr. Hubert van Hees, Nutreco
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Nutrient Requirements
Nutrient Supply
Societal Sustainability
Net Income
PorkQuality
FeedingProgram
FEEDING PROGRAM: PHILOSOPHY
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
• Pigs do not have requirements for ingredients, but rather energy and nutrients
• The objective of pork production is financial returns, not performance.– Improved performance does not necessarily lead to
improved financial returns
GETTING DOWN TO BRASS TACKS
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
“NOT SO OBVIOUS” ISSUE #1
• Energy is the most costly component of the diet, and the cost of energy is rising.–We used to take the cost of energy for granted.
Not anymore!– Are we using diet energy most effectively and
efficiently?– By-products tend to have lower energy content
than corn and soybean meal.
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Ingredient, % Prices$/t
Energy only
Add protein/amino acids
Add minerals/vitamins
Corn 220 54.93 47.65 47.01
Corn DDGS 190 30.00 25.58 27.68
Wheat midds 200 7.60 5.50 -
Soybean meal 300 - 13.50 14.19
Bakery product 230 7.50 7.50 7.50
l-Lysine HCl 2500 - 0.30 0.30
Limestone 50 - - 1.10
Salt 90 - - 0.45
Vitamin premix 1750 - - 0.15
Trace mineral premix 1000 - - 0.12
Phytase 5000 - - 0.08
AV-blend 900 - - 1.16
Cost, $ $210.24 $229.58 $244.00
86.2% 94.1% 100.0%
Diets formulated to meet 1) energy spec only, 2) energy & amino acid specs only, & 3) all nutrients
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
THE RISING COST OF DIETARY ENERGY
Ingredient Cost, $/ton
ME, Mcal/lb
NE, Mcal/lb
Cost, ¢/Mcal ME
Cost, ¢/Mcal NE
Corn 220 1.55 1.20 7.1 9.2
Corn DDGS 190 1.52 1.08 6.3 8.8
Wheat middlings 200 1.38 0.99 7.2 10.1
Bakery by-product 230 1.68 1.35 6.8 8.5
Soybean meal 300 1.52 0.89 9.9 16.9
AV blend 900 3.72 3.35 12.1 13.4
When corn cost $2.50/bu, 1 Mcal ME cost 2.9¢. It now costs 7.1¢.
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
HOW DAILY ENERGY INTAKE IS DIVIDED BETWEEN MAINTENANCE AND GAIN
Functions Gain ME intake, Kcal/d
Maintenance - 2,516 (34%)
Protein (lean) gain 138 g/d (16%) 1,460 (20%)
Fat gain 267 g/d (31%) 3,358 (46%)
Total 1.90 lb/d (862 g/d) 7,300 (100%)
Assume the diet contains 1,500 kcal ME/lb and 0.85% SID lysine. The pig weighs between 100 to 200 lb, is gaining about 1.9 lb/d (total growout ADG = 1.85 lb) and is eating 4.9 lb of feed/day, giving a feed conversion of 2.58 (total feeder to finish growout FC is 2.85:1).
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
EFFECT OF CORN BRAN WITH DECLINING OR CONSTANT NE ON F:G IN FINISHING PIGS
0 8 16 240.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Declining NE Constant NE
Corn bran level, %
F:G
P < 0.001
a b bc
c
P = 0.67
c c c
Gutierrez et al., 2011
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
Durum CPS-W CPS-R HRS HRW HW12
16
20
24
28
d 7 d 14 d 21
Body weight of weaned pigs was similar across wheat classes, including CPS and durum
Wei
ght,
lb
a ab abab ab b
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
IMPACT OF DIET ENERGY CONCENTRATION ON AVERAGE DAILY GAIN, LB/D
Diet ME, Mcal/lb 1.43 1.47 1.51 1.55
Diet NE, Mcal/lb 1.02 1.05 1.09 1.12
Constant FI and wt 1.74 1.80 1.85 1.91
Constant FI and days 1.75 1.80 1.86 1.91
Constant wt, increasing FI 1.93 1.93 1.92 1.91
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
IMPACT OF DIET ENERGY CONCENTRATION ON FEED EFFICIENCY
Diet ME, Mcal/lb 1.43 1.47 1.51 1.55
Diet NE, Mcal/lb 1.02 1.05 1.09 1.12
Constant FI and wt 3.03 2.91 2.82 2.73
Constant FI and days 2.94 2.87 2.79 2.73
Constant wt, increasing FI 2.98 2.89 2.81 2.73
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
IMPACT OF DIET ENERGY CONCENTRATION ON FEED COST/PIG, $
Diet ME, Mcal/lb 1.43 1.47 1.51 1.55
Diet NE, Mcal/lb 1.02 1.05 1.09 1.12
Constant FI and wt $83.01 $82.57 $84.02 $85.45
Constant FI and days $73.58 $77.38 $80.90 $85.45
Constant wt, increasing FI $81.79 $81.74 $83.89 $85.45
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Typically, we feed pigs to achieve a
target growth rate, to move pigs out of the barn according to a
fill schedule
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Typically, we feed pigs to achieve a
target growth rate, to move pigs out of the barn according to a
fill schedule
At what point do we accept that mainting growth rate is too costly and less expensive diets supporting slower growth are more profitable overall?
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
“NOT SO OBVIOUS” ISSUE #2
• Energy is the most costly component of the diet
• The impact of ingredients on carcass composition
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
EFFECT OF FAT SOURCE AND LEVEL ON CARCASS (JOWL) IV WHEN FED FROM 165 TO 290 LB
0 3 6 3 6 3 640
45
50
55
60
65
70
75
80
85
65.4d 66.3d 67.2d70.2c 70.3c
72.6b
80.0a
Iodi
ne V
alue
Tallow (IV = 41.9) CWG (IV = 66.5) Corn Oil (IV = 123.1)
B G Trt Sex Trt Sex Source Level S X L69.1 71.5 0.73 0.4 <.0001 0.0002 <.0001 <.0001 <.0001
Sex Pooled SEM P-Value
Kellner et al., 2011
IV = 74
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
“NOT SO OBVIOUS” ISSUE #3
• Energy is the most costly component of the diet
• The impact of ingredients on carcass composition
• Many alternative ingredients vary widely in composition. Therefore, adoption of alternative ingredients requires investment in lab assays.
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
QUALITY CONTROL
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
NUTRIENT CONTENT OF 32 U.S. DDGS SOURCES (100% DRY MATTER BASIS)
Nutrient Average Range
Dry matter, % 89.3 87.3-92.4
Crude protein, % 30.9 28.7-32.9
Crude fat, % 10.7 8.8-12.4
Crude fiber, % 7.2 5.4-10.4
Ash, % 6.0 3.0-9.8
Swine ME, kcal/lb 1,728 1,590-1,837
Lysine, % 0.90 0.61-1.06
Phosphorus, % 0.75 0.42-0.99Source: Shurson
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
DE CONTENT OF 11 FIELD PEA SAMPLES
1200
1400
1600
1800
b
Em Hi Ma Sp Ca Bo Da Or Vo Vi Mu
Variety
DE
(kca
l/lb
; 90%
DM
)
a a
b,cb,cb,c b,c
b,c,dc,d c,d
d
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
FEED EFFICIENCY OF PIGS FED DE-CORRECTED DIETS
0.2
0.3
0.4
0.5
0.6
Em Hi Ma Sp Ca Bo Da Or Vo Vi Mu Con
Variety
Feed
effi
cien
cy (A
DG
/AD
FI)
aa,b
a a
a,b
a a a
ba,ba,b
a,b
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
INTEGRATED QUALITY CONTROL
PIGS
MIXEDFEED
INCOMINGINGREDIENTS
Confirm compositionin terms of both
desirable & undesirableconstituents
Ensure feed mixing is achieving
uniform mixture according to the
formulation
Feed Manufacturing
Ensure feed delivered to the pigs meets their requirements for
daily nutrient intake
Ensure pig performance is within the tolerance of your targets: growth, carcass, etc
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
“NOT SO OBVIOUS” ISSUE #4
• Energy is the most costly component of the diet• The impact of ingredients on carcass composition• Variation in nutrient composition of alternative
ingredients• The physical characteristics of different
ingredients may be different from those of corn and soybean meal. Can you feed mixing and delivery system handle this change?
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Ingredients Density (lb/ft3)* Lb/4000 lb mixer (114 ft3) Index
Barley, ground 25 2,850 68
Canola meal 38 4,332 103
Corn DDGS 31 - 39 3,534 to 4,446 84 to 105
Corn, ground 37 4,218 100
Corn, bran 22 2,508 59
Corn gluten meal 42 4,788 114
Fish meal, Menhaden 40 4,560 108
Meat and bone meal 37 4,218 100
Oats 20 2,280 54
Peas 50 5,700 135
Soybean meal, ground 41 4,674 111
Soybean hulls 23 2,622 62
Meat and bone meal 45 5,130 122
Wheat, ground 38 4,332 103
Wheat middlings 20 2,280 54
Dicalcium phosphate 58 6,612 157
Limestone 85 9,690 230
*Source: Kammel, 1991
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
SUMMARY: HIDDEN CHALLENGES • Many alternative ingredients are lower in
energy. Most effective use occurs if diet energy can be lowered – but performance may suffer
• Changes in carcass composition and quality• Increased need for quality control• Changes in diet bulk density affect feed
mixing, delivery and storage capacity
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
ACKNOWLEDGEMENTS: ASN TEAM
Applied Swine Nutrition TeamOutside Iowa Machine Shed
Des Moines, IAAugust, 2011
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IOWA STATE UNIVERSITYAPPLIED SWINE NUTRITION
IOWA SWINE DAY 2012
WHAT Day devoted to sharing practical information on topics of interest to pork producers
WHEN June 28, 2012
WHERE Scheman Hall, Iowa State University
WHO Pork producers (owner/operators, barn employees, contract growers, field staff), affiliated industry personnel
TOPICS “nominated” by pork producers1. PRRS2. Biosecurity3. Feed costs4. Foaming pits5. Pork exports6. Ventilation7. Risk management8. Animal welfare9. Human resources