Mapping Feed Demand and Supply - Livestock...
Transcript of Mapping Feed Demand and Supply - Livestock...
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Mapping Feed Demand and Supply Michael Blümmel-1, Getachew Animut-2 and UB Angadi-3
-1International Livestock Research Institute, Ethiopia-2Agricultural Transformation Agency, Ethiopia-3Indian Council of Agriculture Research, India
2018 Global Nutrition Symposium, January 2018, Addis Ababa, Ethiopia
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• Understanding current levels of livestock production and productivity
• Opportunities and limitations for increasing livestock production and productivity
• Targeting and prioritizing feed interventions
• Essential input for mapping business opportunities around feed production and transaction
Rational
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Topics
• Conceptional architecture of feed supply-demand tool (FEEDBASE)
• Use of secondary data sets and conversion factor• Demonstration of the pilot tool for Ethiopia• From stationary feed supply-demand tool to
interactive decision making tool • Feed supply and demand, resource demand and
environmental foot prints
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Schematic representation of FEEDBASE Crop data Land use Livestock census
Protein Energy Protein Energy
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Crop Crop residue Bran/husk Grains
Paddy 1.3 0.08 0.02
Wheat 1 0.08 0.02
Sorghum 2.5 0.05
Bajra 2.5 0.05
Barley 1.3 0.10
Maize 2.5 0.40
Finger millet 2.0 0.05
Small millets 2.5 0.10
Other cereals 2.0 0.10
Pulses 1.7 0.03
Groundnut 2.0
Soybean 0.17
Crop Oilcake
Groundnut 0.60
Sesame 0.60
Rape & Mustard 0.67
Linseed 0.67
Niger 0.72
Sunflower 0.70
Safflower 0.70
Soybean 0.73
Coconut 0.0625
Cotton 0.0499
Assumptions and constants to estimate feed supply from cropping
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Source Area Productivity/annum
Cultivated fodder 5% of the total cropped area 40 tons/hectare
Forests 50% of the area accessible for Fodder
3 tons/hectare
Permanent pastures and grazinglands
Total area 5 tons/hectare
Miscellaneous tree crops Total area 1 ton/hectare
Cultivable waste lands Total area 1 ton/hectare
Current fallows Total area 1 ton/hectare
Other fallows Total area 1 ton/hectare
Assumptions and factors to estimate feed supply from greens
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Species Factors
Cattle - Cross bred Adult body weight- 350 kgGrowth potential- 400 g/dMilk production - state specific values as provided by Department of AnimalHusbandry, Government of India
Cattle Indigenous Adult body weight- 250 kgGrowth potential- 200 g/dMilk production- state specific values as provided by Department of AnimalHusbandry, Government of India
Sheep & goat 90% of the population under extensive system with no concentratesupplementation10% of the population under semi intensive system with 25% concentratesupplementation.Dry matter requirement - 3% of the body weight.
Poultry Only Only commercial broilers and layers have been considered based on the feedconversion ration and assuming 3.5 and 4.0 kg of feed per broiler and layer respectively.
Equines, mules, Horses, donkeys, Camels
2% dry matter intake
Assumptions and factors to estimate feed demand from livestock census
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Demonstrate Pilot Tool
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Demonstrate PILOT TOOL
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Demonstrate PILOT TOOL
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Demonstrate PILOT TOOL
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Demonstrate PILOT TOOL
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Ongoing/further work at Ethiopian pilot feed –supply - demand tool feed
Data collected from more than 20 districts
Plausibility and sensitivity checks, triangulations and ground-truthing
Refinements of feed and animal factors (intake etc)
Capture seasonality, feed import-export
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From stationary feed supply – demand information to interactive decision making tool
Predict responses to changes in feed quantity and quality
Predict responses to changes in animal species, breed and performance: feed demand is relative and
context-specific
Predict environmental foot prints
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Water for feed production the very major taker of water in livestock production
Can we extend the “secondary data use” approach to:
o estimate water requirement for feed production
o greenhouse gas emission from feeding
Feed at the interface where positive and negative effects from livestock are negotiated
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Match feed data bases with water requirements
•Often more data sets available than people are aware of
Climate change work Lack of awareness, different ministries, departments, agencies Locate, fill gaps where required and match
• Information required for allocating water requirement to biomass production
ET0:reference evapo-transpiration calculated from temperature, wind speed, humidity, rainfall Kc: crop specific coefficient derived from crop phenology LGP: length of growing period
Data on following slides derived from Blummel et al.,2014
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Climatic and water data
•Min and Max-Temperature ( oC)•Humidity (%)•Rain fall•Wind speed ( km day-1)•Sunshine (hrs day-1)•Radiation (Mj m-2 day-1)•Volume of water per irrigation and number of irrigationCrops and soil parameters•Soil type and structure•Crop types and management practices ( food and fodder crops)•Length of growing period for different stages of development•Soil types
Examples of tools and procedures
•Budget (Raes et al., 2006)•CropWat (FAO 1998; Allen et al., 1998)
Total evapotranspired water by feed sources
type (m3 ha-1)
Conversion factors, HI, feed use factor (as structured in Table 4)
Feed Dry Matter (kg m-
3)
Land use land cover
(ha) as structured in
Table 4Feed resources by
types (Kg ha-1)
A simplified framework to combine feed resources database and water input requirement estimates
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Estimates for water requirements to producespecific feed resources in 4 districts in India
District Liters of water required to produce 1 kg of feed
Crop residues Concentrates Greens
Bijapur 1303 2300 3427
Tumkur 1177 1589 3291
Raichur 1825 2108 3770
Chikmangalore 633 1140 3235
(Blümmel et al., 2014)
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Conclusions
• Concept of structured feed supply - demand scenario accepted by key players in Ethiopia (and Vietnam,
Malawi and Mali)
• Pilot tool exists that will allow plausibility testing and ground-trothing
• If tool passes these tests multiple addition options will become open and feasible
• Effective CG - NARES - South to South collaboration
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The presentation has a Creative Commons licence. You are free to re-use or distribute this work, provided credit is given to ILRI.
better lives through livestock
ilri.org
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Main screen of FEEDBASE – Feed distribution
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Feed availability information in tabular form
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Animal distribution – species and category wise
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Feed availability information in spatial (GISMap) form
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3.6
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A v e ra g e d a ily m ilk y ie ld (k g )
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0 R e la tiv e fe e d re q u ire m e n ts (M E M J )
P ro p o rtio n o f fe e d (M E M J ) u s e d fo r m a in te n a n c e
Feed requirement in dependency of per dairy animal productivity: the Indian scenario (Blümmel et al. 2016c)
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Animal –Population and feed requirement information in tabular form
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Feed supply:Metabolizable
energy
Feed demand:Metabolizable
energy for:Maintenance and
Production
Mediated by voluntary feed intake as interface
Pitfall of oversimplified feed supply – demandcalculations
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4 0 5 0 6 0 7 0 8 0 9 00
1 0 0
D ry m a tte r in ta k eD ig e s tib le e n e rg y in ta k e
P h y s ic a l P h y s io lo g ic a l
F o d d e r q u a lity : h e re D ig e s tib ility (% )
Inc
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g I
nta
ke
S e t p o in t
R e la t io n s h ip b e tw e e n fo d d e r q u a litya n d v o lu n ta ry fe e d in ta k e
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Feed-dependent variations in voluntary feed intakeobserved in ILRI and partner work
Feed Species Mean Intake(g/kg LW)
Range Intake(g/kg LW)
Sorghum stover sole (24 cultivars) Sheep 20.0 16.7 – 26.8
Maize stover sole (10 cultivars) Sheep 23.2 17.1 – 30.6
Pearl millet cultivar sole (21 cultivars)
Sheep 23.2 17.5 – 28.3
Total mixed rations Sheep 34.9 32.8 – 37.0
Sorghum stover supplemented Sheep 28.9 27.7 – 29.9
Two total mixed rations 1 Dairy Buffalo 37.0 36.0 to 38.0
Summarized from two special issue on food-feed crops by ILRI and partners in 2010 and 2013
1 Basal component of sorghum stover varied by 5% unit in digestibility
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Feed-dependent variations in voluntary feed intakeobserved in ILRI and partner work
Single and multiple laboratory fodder quality traits could be identified thataccount for 80% and more of the variation in voluntary feed intake
Is it worthwhile to identify laboratory fodder quality traits for Ethiopian feedsto predict voluntary feed intake rather than use constants for intake?
NDF?ADLME?CP?
After all laboratory fodder quality traits arepart of the feed supply – demand scenario
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Points for discussion
Complementation of “static” information tool? seasonality and related aspects Import – export aspects Water aspects Move from constants to feed specific variables Several independent but nested tools ????
Information to decision making tool Which variables/inputs How many levels/tiers “Mother” files feed supply and feed demand
ie livestock population/herds structure Several independent but nested tools?
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Thank you!