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Layer: NSW Beef Feedlot Manure (SA2) (ID: 1)

Name: NSW Beef Feedlot Manure (SA2)

Display Field: REGION_NAME

Type: Feature Layer

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Description: This dataset estimates the location and mass in dry tonnes at 0% moisture content (MC) and in wet tonnes at 90% MC of intensive beef feedlot manure residues across NSW, Australia. This information was originally collated for the Australian Biomass for Bioenergy Assessment (ABBA) project and has been updated several times. It is available for use in the NSW BioSMART tool (Biomass Spatial and Modular Assessment of Resources Tool – https://www.dpi.nsw.gov.au/forestry/science/forest-carbon/biomass-for-bioenergy/nsw-biosmart) and on the Terria Map (https://app.terria.io/terria/catalog/map) platform. The boundary features were extracted from the Australian Bureau of Statistics (ABS) Australian Statistical Geography Standard (ASGS 2016) digital boundaries [Copyright Commonwealth of Australia administered by the ABS]. This dataset is mapped at the Statistical Area Level 2 (SA2). Each SA2 region shows the annual average, minimum and maximum tonnes of intensive beef feedlot manure residues for the period July 2011 to June 2021 (average of 10 years). The SA2 residues were derived from ALFA ‘Quarterly Feedlot Survey Figures’ data and from research carried out by the NSW Forest Science unit, Department of Primary Industries and Regional Development – Forestry). By investigating and estimating individual feedlot annual turnoff numbers and then converting these to percentages, Cattle Numbers on Feed were able to be extracted from the statewide ALFA ‘Quarterly Feedlot Survey Figures’, Australian Lot Feeders’ Association. The residues were calculated to a Standard Cattle Unit (SCU). From the literature, assumptions were made regarding an acceptable SCU for NSW. In this research, the average live weight (lwt) for a SCU will be 550kg. To provide an acceptable range for this average figure, a lwt of 400kg was used to calculate a minimum figure and a lwt of 750kg was used to calculate a maximum figure. The residues were amalgamated to the ABS SA2 and SA4 Level regional scales for mapping and to bring the datasets spatially in line with other associated intensive livestock mapping (dairy, piggery and poultry). The following were calculated for each SA2 region: Total Solids (TS), Volatile Solids (VS) and Wet Weight (WW), giving the average (SCU lwt 550kg) of TS, VS and WW over the 10 year period and also providing a minimum (SCU lwt 400kg) and maximum (SCU lwt 750kg) for TS and VS. Total Solids has been chosen as the TOTAL_RESIDUES mapping unit to display because TS represents all dry matter and covers more end-use options. TS can be used as a solid fuel (combustion/cofiring/boilers), for syngas (gasification) and for bio-oil/biochar/syngas (pyrolysis) while VS is mainly only used in anaerobic digestion (biogas/biomethane). Presenting the data spatially by TS fits with the existing BioSMART tool modules and those being developed. Some SA2 regions were merged and the results were combined. Most commonly merged regions were built up areas contained wholly within the same regional area (i.e. Goulburn and Goulburn Region were merged) or adjacent regions that were either small or built up areas. For more information on the derivation of the residue volumes please contact the NSW Forest Science unit (https://www.dpi.nsw.gov.au/forestry/science/forest-carbon/abba) and look at: Beef Feedlot Davis RJ, Watts PJ & McGahan EJ (2012) ‘Quantification of Feedlot Manure Output for Beef-Bal Model Upgrade’, RIRDC Publication No. 12/010, RIRDC Project No. PRJ-004377. https://www.mla.com.au/contentassets/baac23ed50d94f5da21c9dff52021a3b/b.flt.0354_final_report.pdf Davis RJ & Watts PJ (2011) ‘Environmental Sustainability Assessment of the Australian Feedlot Industry’, Meat and Livestock Australia Limited. https://www.mla.com.au/globalassets/mla-corporate/research-and-development/final-reports/2011/b.flt.0328-1.pdf Tucker R et al. (2015) ‘Beef cattle feedlots: waste management and utilisation’, Meat & Livestock Australia. https://www.mla.com.au/globalassets/mla-corporate/research-and-development/program-areas/feeding-finishing-and-nutrition/manure-handbook/beef-cattle-feedlots---waste-management-and-utilisation.pdf ASAE (2005) ‘Manure production and characteristics’, D384.2, American Society of Agricultural and Biological Engineers, St. Joseph, USA. https://elibrary.asabe.org/abstract.asp?aid=32018 MLA (2012) ‘National Guidelines for Beef Cattle Feedlots in Australia’, 3rd ed., Meat and Livestock Australia Limited. https://futurebeef.com.au/wp-content/uploads/National-guidelines-for-beef-cattle-feedlots-in-Australia-third-edition.pdf MLA (2021) ‘Handbook of best practice guidelines for the Australian feedlot industry’, Meat and Livestock Australia Limited. https://www.mla.com.au/globalassets/mla-corporate/research-and-development/program-areas/feeding-finishing-and-nutrition/211019-b.flt.8012--guideline-handbook-for-the-australian-feedlot-industry_v3.pdf Watts PJ, Keane OB & Cheallaigh N (2012) ‘Feedlot industry GIS database’, FSA Consulting, Project code: B.FLT.0463. https://www.mla.com.au/contentassets/d2a32c81ae6b4210b88a3b1d4f6e4859/b.flt.0463_final_report.pdf Andrews T (2025) ‘Market specifications for cattle’, Primefact 621, Third ed., DPIRD. https://www.dpi.nsw.gov.au/__data/assets/pdf_file/0005/148415/Market-specifications-for-cattle.pdf ALFA (accessed 2025) ‘Industry Overview – Industry Snapshot’, Australian Lot Feeders’ Association. https://www.feedlots.com.au/overview QLD Gov (2015) ‘Beef cattle nutrition – An introduction to the essentials’, Meat and Livestock Australia Limited. https://www.mla.com.au/globalassets/mla-corporate/beef-cattle-nutrition2.pdf Watts P & Davis R (2016) ‘Feedlot Design and Construction – 9. Overall pen layout’, Meat & Livestock Australia. https://www.mla.com.au/globalassets/mla-corporate/research-and-development/program-areas/feeding-finishing-and-nutrition/feedlot-design-manual/09-overall-pen-layout-2016_04_01.pdf Tabular data: ALFA ‘Quarterly Feedlot Survey Figures’, Australian Lot Feeders’ Association. Quarterly survey data used by Financial Year (FY) for 10 years from 2011-12FY to 2020-21FY and in conjunction with research carried out to determine the location and capacity of feedlots across NSW by region at the finer scale of ABS Statistical Area Level 2 (SA2) and at the larger scale of SA4 level to derive manure residues. https://www.feedlots.com.au/resources/figures Last updated in March 2026.

Copyright Text: NSW Forest Science, Department of Primary Industries and Regional Development – Forestry

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