lamb carcass value calculator - mintrac · lamb carcass value calculator chris smith graham gardner...
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Lamb carcass value calculator
Chris SmithGraham Gardner
Agbiz Solutions, & Murdoch University
Objectives• Lean meat yield (LMY %).
• Calculator for determining value
• Carcass Plus Index and impact on value
• Cost analysis
• Gross profit analysis
Lean Meat Yield drives profit!But what’s it worth?
Need a tool for rapid calculation of value!
We need to predict cut weight!
We need to predict cut weight!
Use Standard Industry Measures
GR Tissue Depth
Carcase Wt
Predicting topside weight
200300400500600700800900100011001200
300 400 500 600 700 800 900 1000
Topside Weight (g)
Predicted Topside Weight (g)
R2 = 0.64RMSE = 61.5g
Sheep CRC Information Nucleus Flock
Sheep CRC Information Nucleus Flock
Katanning Xbred data set:•168 lambs•Fully boned out•Commercial cuts weighed•HSCW & GR tissue depth
Lamb Value Calculator
Lamb Value Calculator
Estimate cut weights
Enter retail value
Input Carcase Info
Input basic carcase information
Input basic carcase information
Weight
GR
Select the cut specifications
Input the retail values
Estimate weight of cuts
Estimate weight of cuts
Cut values calculated
Cut values calculated
Outputs Carcase Value
Carcase valuecalculated!
… and here’s a fatter carcase!
25mm GR
Worth less!
Using lamb value calculator for research
Australian Sheep Breeding Values
• Growth• Leanness • Muscling
Industry Indices• Carcass plus
Carcass Plus
OLD NEW
Growth 60Growth (pre weaning)
Muscle 20
Leanness 20
Carcass Plus
OLD NEW
Growth 60 35Growth (pre weaning) 30
Muscle 20 30
Leanness 20 5
Carcass Plus
OLD NEW
Growth 60 35Growth (pre weaning) 30
Muscle 20 30
Leanness 20 5
Is there a cost?
Sheep CRC Information Nucleus Flock
CT scanning
Lean yield by sectionLean
log Hind Lean = log a + b.log carcass weight
log Saddle Lean = log a + b.log carcass weight
log Fore Lean = log a + b.log carcass weight
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
hind lean
weight
New Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
sad
dle lean
weight
New Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210% differen
ce in
sad
dle lean
weight
Old Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
hind lean
weight
Old Carcase Plus
2.8%3.3%
6.4% 5.2%
P < 0.01
Old Carcase Plus New Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
fore lean
weight
Sire ‐ Old Carcase Plus
2.2%
No effect
Chris Smith 2012
Value of Lean by section
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
hind lean
weight
New Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
sad
dle lean
weight
New Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210% differen
ce in
sad
dle lean
weight
Old Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
hind lean
weight
Old Carcase Plus
2.8%3.3%
6.4% 5.2%
P < 0.01
Old Carcase Plus New Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
fore lean
weight
Sire ‐ Old Carcase Plus
2.2%
No effect
No effect
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
hind lean
weight
New Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
sad
dle lean
weight
New Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
fore lean
weight
Old Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210% differen
ce in
sad
dle lean
weight
Old Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
hind lean
weight
Old Carcase Plus
2.8%3.3%
6.4% 5.2%
2.2%
P < 0.01
Old Carcase Plus New Carcase Plus
3.3%
6.4%
2.2%
5.2%
2.8%
% change % changekg lean g lean$ change $ change
No change
TOTAL $9.27 $6.49
$5.21
$2.67
$4.23
$2.26
$1.39 $0
157g
214g
0
157g
133g
92g
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
hind lean
weight
New Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
sad
dle lean
weight
New Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
fore lean
weight
Old Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210% differen
ce in
sad
dle lean
weight
Old Carcase Plus
‐3
‐1
1
3
5
7
130 140 150 160 170 180 190 200 210
% differen
ce in
hind lean
weight
Old Carcase Plus
2.8%3.3%
6.4% 5.2%
2.2%
P < 0.01
Old Carcase Plus New Carcase Plus
3.3%
6.4%
2.2%
5.2%
2.8%
% change % changekg lean g lean$ change $ change
No change
TOTAL $9.27 $6.49
$5.21
$2.67
$4.23
$2.26
$1.39 $0
157g
214g
0
157g
133g
92g
$2.78 more value with Old Carcase Plus
Using lamb value calculator to
Estimate processing costs
Lamb Value Calculator
DetermineProcessing Costs
Costs and Other Revenue
• S/F and Boning Revenue• Fixed and Variable Cost
– Pre slaughter/Slaughter– OTH Grid
– Differential boning Costs
Costs and S/F Revenue
Using lamb value calculator for
Gross Profit Analysis
Lamb Value Calculator
DetermineGross Profit
Carcase Gross Profits
Primal Gross Profit
Primal Gross $ Profit vs. Retail Value
Impact of CW and GR on Gross Profit?
Impact of CW and GR on Gross Profit?
Impact of CW and GR on Gross Profit?
Lamb Value Calculator
Want to use it?• Funded opportunities
• Support to use the calculator for Gross Profit Analysis
• Contact AMPC
– Melissa Neal (AMPC Lamb Supply Chain Officer)