{ "currentVersion": 10.91, "id": 2, "name": "NSW Dairy Manure (SA4)", "type": "Feature Layer", "description": "This dataset estimates the mass in dry tonnes of dairy manure residues potentially available across NSW, Australia. This information has been collated for the Australian Biomass for Bioenergy Assessment (ABBA) project and will be available for use on the Australian Renewable Energy Mapping Infrastructure (AREMI) platform, to build a national map to service the renewable energy sector.\n\nThe boundary features were extracted from the Australian Bureau of Statistics (ABS) Australian Statistical Geography Standard (ASGS) digital boundaries [Copyright Commonwealth of Australia administered by the ABS]. This dataset is mapped at the Statistical Area Level 4 (SA4).\n\nEach SA4 region shows the average annual dairy manure residues for the period July 2010 to June 2015 (average of 5 years). The SA4 residues were calculated using data from the ABS ASGS Agricultural Commodities, Australia, cat. no. 7121.0 data cubes and from research carried out by the NSW Forest Science unit, Department of Primary Industries - Forestry.\n\nThe residues were calculated for each ABS class of dairy cattle as follows: Cows in milk and dry, Calves, Heifers 1 to 2 years, Heifers over 2 years and All other (bulls, steers). From the literature, assumptions were made and averages were calculated, such as daily milk production = 15.5kg/day; average live weight and dry matter intake (DMI) were calculated for each ABS dairy cattle class and time spent in holding yards and feedpads where an acceptable minimum was determined to be 3hrs/day and maximum 10hrs/day. Daily milk production was used as a factor in calculating the manure for Cows in milk and dry. DMI was used as a factor for calculating manure in all other classes. Dry matter (Total solids = TS), volatile solids (VS), minimum yard time and maximum yard time were calculated for each dairy cattle class. When all calculations were complete for an SA4 region, the class totals were added together to give an overall Total TS, Total VS, Min yard and Max yard manure residues for each SA4 region.\n\nFor more information on the derivation of the residue volumes please contact the NSW Forest Science unit and look at the following references:\n\nDairy\n\nDairy Australia (2008) \u2018Effluent and Manure Management Database for the Australian Dairy Industry\u2019, Dairy Australia - http://www.dairyingfortomorrow.com.au/wp-content/uploads/combined.pdf\n\nNennich T et al. (2005) \u2018Prediction of Manure and Nutrient Excretion from Dairy Cattle\u2019, J. Dairy Sci., 88:3721\u20133733 - https://www.researchgate.net/publication/7599564_Prediction_of_Manure_and_Nutrient_Excretion_from_Dairy_Cattle\n\nRyan D et al. (1997) \u2018Realistic Rations\u2019, Dairy Research & Development Corporation and NSW Agriculture - https://www.dpi.nsw.gov.au/__data/assets/pdf_file/0018/163332/realistic-rations.pdf\n\nDairy Australia (2013) \u2018A guide to growing more productive heifers\u2019, https://www.google.com.au/url?sa=t&rct=j&q=&esrc=s&source=web&cd=8&cad=rja&uact=8&ved=0ahUKEwi0jbm1sODXAhWLxrwKHRUEAxIQFghNMAc&url=https%3A%2F%2Fwww.dairyaustralia.com.au%2F-%2Fmedia%2Fdairyaustralia%2Fdocuments%2Ffarm%2Fanimal-care%2Ffertility%2Fheifer-management%2Fheifers-on-target-guide-to-growing-more-productive-heifers.ashx&usg=AOvVaw0xVNrjgb4bRMThAYzTI6L5\n\nTag: NSW-LD", "geometryType": "esriGeometryPolygon", "sourceSpatialReference": { "wkid": 4283, "latestWkid": 4283 }, "copyrightText": "NSW Forest Science, Department of Primary Industries - Forestry", "parentLayer": null, "subLayers": [], "minScale": 0, "maxScale": 0, "drawingInfo": { "renderer": { "type": "uniqueValue", "field1": "TOTAL_RESIDUES", "field2": null, "field3": null, "defaultSymbol": null, "defaultLabel": null, "uniqueValueInfos": [ { "symbol": { "type": "esriSFS", "style": "esriSFSSolid", "color": [ 219, 255, 204, 255 ], "outline": { "type": "esriSLS", "style": "esriSLSSolid", "color": [ 110, 110, 110, 255 ], "width": 0.4 } }, "value": "9", "label": "1 - 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