Journal
AGRICULTURAL SYSTEMS
Volume 112, Issue -, Pages 38-47Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.agsy.2012.06.001
Keywords
Tedera; Drought tolerant forage; Mediterranean-type climate; Autumn feed gap; Bio-economic modeling; MIDAS
Categories
Funding
- Future Farming Industries CRC
- FFI CRC
- Department of Agriculture and Food Western Australia
- University of Western Australia
- Commonwealth Scientific and Industrial Research Organisation
- New South Wales Department of Primary Industries
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Tedera (Bituminaria bituminosa C.H. Stirt var. albomarginata) is a drought tolerant perennial legume originating in the Canary Islands. This study evaluates the potential role and value of tedera in dryland mixed crop and sheep production systems in southern Australia. Regional variants of the bio-economic model MIDAS are used to assess tedera in farming systems at two locations. The analysis considers the quantity and quality of feed produced by tedera, the ability of other forages to complement or substitute for tedera and its impact on meat versus wool-producing sheep flocks. The results indicate that tedera offers the potential to increase farm profits by up to 26% and be grown on similar to 28% of a low rainfall mixed enterprise farm. On a high rainfall mixed enterprise farm tedera may boost profit by up to 58% and be grown on similar to 75% of the farm. The modelled increases in farm profit were large and relate to savings in supplementary feed and higher stocking rates. The results of our analysis suggest additional experimental and breeding work is required but the current state of knowledge is consistent with tedera becoming an important forage in southern Australian farming systems. (C) 2012 Elsevier Ltd. All rights reserved.
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