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Understanding grazing decisions on Tasmanian dairy farms


Hall, A and Turner, L and Kilpatrick, S, Understanding grazing decisions on Tasmanian dairy farms, 22nd International Farm Management Association Congress: Growing Agriculture @ 41 Degrees South - excellence in farm management through innovation, diversification and integration with tourism, 3-8 March 2019, Launceston, Australia, pp. 1-11. (2019) [Refereed Conference Paper]

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Improving pasture utilisation on Tasmanian dairy farms is a key focus of research, development and extension programs, through increasing farmer awareness, knowledge and use of best practice pasture management practices. Recommended practices include using pasture management tools to provide objective information about pasture quantity, increasing control, flexibility and accuracy around pasture management decisions. A survey of 162 Tasmanian dairy farmers found large variation in tool use, and investigated the relationship between current tool use and key grazing management decisions. Key decisions include assessing pasture quantity (pre-grazing cover), grazing intensity (post-grazing residual), determining rotation length, and determining the level of non-pasture, supplementary feed required. There was a significant relationship between currently measuring pasture and using that information to assess pre and post-grazing cover, and decisions on rotation length (P < 0.05). The relationship between currently measuring pasture and using that information to make decisions on supplement feeding was not significant. Using pasture measurement data can assist in increased accuracy in supplement allocation, with inaccurate allocation resulting in potential over-feeding, substitution of supplement for pasture, reduced pasture regrowth, quality and utilisation. Extension can increase farmer knowledge and understanding of how pasture measurement data can be used to make more informed grazing decisions, and subsequent increase pasture utilization, milk production and farm profitability.

Item Details

Item Type:Refereed Conference Paper
Keywords:extension, grazing management decisions, pasture management, supplement feeding
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Crop and pasture production
Research Field:Crop and pasture production not elsewhere classified
Objective Division:Animal Production and Animal Primary Products
Objective Group:Pasture, browse and fodder crops
Objective Field:Pasture, browse and fodder crops not elsewhere classified
UTAS Author:Hall, A (Miss Alison Hall)
UTAS Author:Turner, L (Dr Lydia Turner)
UTAS Author:Kilpatrick, S (Professor Sue Kilpatrick)
ID Code:131727
Year Published:2019
Deposited By:TIA - Research Institute
Deposited On:2019-04-02
Last Modified:2022-09-02
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