Disease Economics: Pig Care and Production · Benefits of disease control •Welfare: pig...
Transcript of Disease Economics: Pig Care and Production · Benefits of disease control •Welfare: pig...
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Disease Economics:Pig Care and Production
John Deen
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What is the objective function?
• Health and well-being
• Productivity
• Cost control
• Profit maximization
• The technology treadmill
• Utility maximization
• Robustness
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Place of the veterinarian
• Historically determined by aesthetic indicators, augmented by welfare concerns.
• Placed success determinants in the caregivers hands.
• Increases in scale and removal of direct contact with pigs has diminished the value of veterinarians.
• Often treated as a cost of production rather than a throughput enhancement.
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Aims or constraints?
• Pig comfort
• Worker health
• Return on equity
• Cost of gain
• Return on equity
• Risk minimization
• Community viability
• Environmental stability
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Effects are in production and demand• Industry
- Exports
- Demand
- Competition
• Farm
- Disease introduction
- Regulation
- Input costs and quality
• Pig
- death
- poor quality
- well-being
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The Other White Meat?
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Loin Vs Belly
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What are relative values of species?
Norwood and Lusk survey:
• Survey responses reveal that people are willing to allow up to 11,500 farm animals to suffer if the suffering of one human could be eliminated.
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Attrition
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Sow Attrition
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Parity
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Each leg of Eduardo Donato's Dehesa Maladúa costs about €4,100 in shops
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Major messages
• Disease economics is important
• We need to measure it
• Financial accounting is not set up to measure it
• Therefore underestimated
• Disease economic effects are getting bigger
• Disease economics involves capital and variable costs
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Benefits of disease control
• Welfare: pig well-being
• Protection of other pigs
• Direct control costs: Meds, vaccines, feed additives
• Compensatory behaviors: farm placement, showers
• Increased input costs: feed, labor, heat ….
• Value of output: weight, price, throughput
• Aesthetics: employee enjoyment
• Environment: waste load
• Demand: consistency, aesthetics
• Public perception: not euthanizing/euthanizing
• Risk: efficacy, price
• Noise: inhibits analysis
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Disease control
• Driven to increase value of output
• not a cost of production
• An essential aspect of profit maximization
• Valuable
• Costly
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Components of variation of profits
0%
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CDL's ADG FCR
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Alternative
less effective
and more costlyE
Alternative
cheaper but less
effective
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more effective
and less costly
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COST
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more effective
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The dead pig question
• How much did you lose?
• Invested costs?
• Potential income – reduction in costs?
• How much do you lose if a pig is culled instead of dying?
• Where in a farms records do you find these costs?
• What do you do if the answer is nowhere?
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The salesman question
• There is a warehouse full of product that needs to be sold
• If the company is losing money, should the marketing people be eliminated, or should it hire more?
• Why? Most of the costs are already spent on the product, the potential marginal profit of marketing is large
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Marginal Revenue-
Marginal costs=
Marginal Profits
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Profit = #Kg (Rev/Kg – Costs/Kg)
• Which variable is most important in profitability?
• Costs
• Revenue
• #Kg
• Answer:
• Profit = #Kg (Revenue/Kg – Costs/Kg)
- Throughput
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The Flaw of Averages
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Effect of birth weight and birth order on mortality
Birth weight < 1 kg ≥ 1 kg
Number of piglets 29 173
Mortality, per cent 45 5
Birth order 1-7 > 7 1-7 > 7
Number of piglets 13 16 101 72
Mortality, per cent 8 75 3 8
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Example of barrows <8 lbs at entry vs < 35 lbs or dead at exit
Lightweight/dead rates: < 8 lbs: 45% >8 lbs: 12%
Overall Rate: 18%
OR: 3.6
PAF = 18% - 12% = 6%
Entry/Exit Wts <35 lbs >35 lbs Totals
< 8 lbs 85 110 195
> 8 lbs 118 828 946
Totals 203 938 1141
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Survival given the gender
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Classes of pigs for treatment
Pigs Atomistic Ecologic Financial
Unsustain-able
Euthanize
Likelihood of success is
too low to maintain
Damage to population
is too high to maintain
Negative value pig
MR-MC<0
Marginal
Euthanize or
treat
Unsustainable unless
treated
High damage unless
treated
Low value pig
MR-MC<0,
MR-MC-TC>0
Needy
Treat
Low value unless
treated
Damage potential
affected by treatment
Higher value –
treatment
MR-MC <
MR-MC-TC
Tough
Enjoy
Not affected by
treatment
Not affected by
treatment
High value pig
MR-MC = max
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Would you bet on this horse?
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Four Biological Functions to Flourish
• Feed – take in adequate nutrition
• Fight – compete and adapt in difficult conditions
(disease, heat etc)
• Flight – avoid difficult adverse conditions
• Reproduction – replacement
- Is there a hierarchy?
- How do we detect problems?
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Failure to Flourish
• Feed intake/absorption inadequate
• Inability to adapt to adverse conditions
• Inability to avoid adverse conditions
• Inability to reproduce
• Inhibitions:• Physical• Environmental• Infectious• Social
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Risk post farrowing
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Coopetition
“Sometimes the best way to stay
competitive is not to compete.
It may be less risky than you think.”
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Example: Swine Health Monitoring Program
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Aims for the veterinarian
• Claim throughput as expertise
• Who else?
• Measure proportions of full value pigs
• Avoid averages
• Use management accounting
• Throughput accounting
• Manage inputs by specifications
• Define throughput success
• Identify constraints
• Attitudes, capabilities
• Report successes
• Documentation for progression
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Problem: Complexity Averseness
• Reliance on historical norms
• Division of responsibilities
• Bias towards standardization
• Reductionist approaches
• Math illiteracy
• Assumptions of normality
• Media, politics
• Risk management
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The fifth discipline
• SYSTEMS THINKING
The ability and practice of consistently examining the whole system, rather than just trying to fix isolated problems. Using the conceptual framework and tools of systems thinking to clarify the full patterns and to understand how to change them most effectively.
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TakeHomes
• Need records to make decisions
• Increased productivity does not always equal increased profits
• Decreasing costs usually has costs
• Change is inevitable
• What is your absorptive capacity?