Preliminary results of estimating on-farm methane - Malcolm McPhee

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Preliminary estimates of on-farm methane emissions for sheep production on the Northern Tablelands of Australia Estimating on-farm sheep methane emissions Preliminary results of estimating on-farm methane emissions for sheep production on the Northern Tablelands of Australia– Dr Malcolm McPhee – Animal Production – 15 th February 2011

Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

UWA: Ridgefield, Pingelly, WA CSIRO: Lansdown, Qld DPI Victoria: DPI Hamilton/ Demo dairy Terang, Victoria UNE: Trevenna, Armidale, NSW “ Reducing Livestock Emissions Program” to demonstrate potential mitigation strategies for enteric emissions .

UWA: Ridgefield, Pingelly, WA CSIRO: Lansdown, Qld DPI Victoria: DPI Hamilton/ Demo dairy Terang, Victoria UNE: Trevenna, Armidale, NSW

Main Project Objectives at the Trevenna site ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Site - 36 ha at “Trevenna” UNE, Armidale Hills ,[object Object],[object Object],[object Object],Flats Flats

On-farm data collection ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

On-farm data collection (continued) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Methane estimates and analyses ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sheep Production ,[object Object],[object Object],[object Object],[object Object],[object Object]

Heading Crop Scanner Index Green Biomass (kg DM/ha) Crop Circle Relationship Between Green Biomass and Crop Scanner Index Y=15.1exp 6.8x R 2 =0.63

Flats Flats Hills (kg DM/ha) Index map: Green Pasture Available (kg DM/ha)

Intensity of grazing from 8 th Sept to 18 th October (kg DM/ha)

Methane (CH 4 ) produced (g)/kg live weight gain (LWG) on the hills and flats based on pasture available (GrazFeed TM Inputs and Outputs) From crop scanning and pasture assessment data

From crop scanning and pasture assessment data Methane (CH 4 ) produced (g)/kg live weight gain (LWG) on the hills and flats based on pasture available (GrazFeed TM Inputs and Outputs)

Conclusions ,[object Object],[object Object],[object Object],[object Object],[object Object]

Acknowledgements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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