Academic literature on the topic 'Grass tetany (Australia)'

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Journal articles on the topic "Grass tetany (Australia)"

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Smith, K. F., G. J. Rebetzke, H. A. Eagles, M. W. Anderson, and H. S. Easton. "Genetic control of mineral concentration and yield in perennial ryegrass (Lolium perenne L.), with special emphasis on minerals related to grass tetany." Australian Journal of Agricultural Research 50, no. 1 (1999): 79. http://dx.doi.org/10.1071/a98070.

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Grass tetany is a common metabolic disorder of ruminants in southern Australia. To investigate the genetic control of mineral concentrations leading to this disorder, replicate populations of perennial ryegrass half-sib families were grown at Hamilton and Timboon in southern Australia. Variation in herbage yield, and Mg, P, K, Ca, Na, Cl, S, Mn, Fe, Cu, Zn, and K/(Mg+Ca) (tetany ratio) concentrations in the herbage of these families was measured in the early spring of 1994. Large environmental effects on herbage mineral concentration were detected, with location differences accounting for 60–8
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Lewis, DC, and LA Sparrow. "Implications of soil type, pasture composition and mineral content of pasture components for the incidence of grass tetany in the South East of South Australia." Australian Journal of Experimental Agriculture 31, no. 5 (1991): 609. http://dx.doi.org/10.1071/ea9910609.

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The occurrence of grass tetany related deaths in cattle grazing pasture in the South East of South Australia is related to soil type. The greatest losses occur on the solodised solonetz soils, with few, if any, on the rendzina or siliceous sand soils in the region. Pastures from 3 soil types were sampled on 2 occasions during the growing period, and soils were sampled once. Comparisons were made for the pasture components of potassium (K), calcium (Ca) and magnesium (Mg) concentrations in soils, and K, Ca, Mg, nitrogen (N) and sulfur (S) concentrations in plants. In the July sampling, the mean
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Masters, David G., and Andrew N. Thompson. "Grazing crops: implications for reproducing sheep." Animal Production Science 56, no. 4 (2016): 655. http://dx.doi.org/10.1071/an14517.

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Integration of crops and livestock has been revitalised in Australia, initially as an opportunity to increase cropping within the high-rainfall grazing zones, and more recently, to improve enterprise diversification and profitability across the low-, medium- and high-rainfall, and mixed-farming zones. Young crops are highly digestible (>80% dry matter digestibility, DMD) with a high energy density (>12 MJ/kg DM) and, in much of southern Australia, fill a winter feed gap. The quality and time of feed availability also coincide with the high nutrient requirements of ewes in late pregnancy
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Spears, Jerry W. "355 Mineral Metabolism." Journal of Animal Science 99, Supplement_3 (October 8, 2021): 197. http://dx.doi.org/10.1093/jas/skab235.356.

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Abstract This presentation will highlight historic discoveries in mineral metabolism in ruminants. At least 15 minerals can be classified as essential based on their involvement in one or more metabolic functions in mammals. Deficiencies of all essential minerals have occurred naturally or have been induced experimentally in ruminants. Cobalt was shown to be essential for ruminants in 1935 based on its ability to correct naturally occurring deficiency signs in Australia. This discovery occurred 13 years before cobalt was shown to a component of vitamin B12. Low serum magnesium concentrations a
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Elliott, D. E., and R. J. Abbott. "Nitrogen fertiliser use on rain-fed pasture in the Mt Lofty Ranges, South Australia. 1. Pasture mass, composition and nutritive characteristics." Australian Journal of Experimental Agriculture 43, no. 6 (2003): 553. http://dx.doi.org/10.1071/ea01131.

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The effects of nitrogen (N) fertiliser (0–200 kg/ha) on mass, botanical composition, and N concentration (%) in herbage were examined in nine 2- or 3-year rate × time of application experiments, 14 single-year annual rate of application experiments and 15 short-term spring rate of application experiments, at 27 sites in the Mt Lofty Ranges, South Australia, in 7 years between 1970 and 1979, inclusive. Effects on in vitro digestibility and concentrations of other nutrients in herbage were examined in selected experiments.Annual applications of 200 kg N/ha increased herbage mass by an average of
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Dugis, Vinsensio MA. "Memperkokoh Hubungan Indonesia-Australia." Jurnal Global & Strategis 9, no. 2 (December 14, 2017): 309. http://dx.doi.org/10.20473/jgs.9.2.2015.309-324.

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Upaya-upaya apa yang dapat dilakukan pemerintah Indonesia dan Australia untuk memperkuat kembali hubungan bilateral Indonesia Australia? Pertanyaan ini tepat untuk diangkat, mengingat Presiden Joko Widodo (Jokowi) resmi dilantik ketika hubungan Indonesia-Australia sekali lagi berada pada titik rendah menyusul terkuaknya upaya skandal penyadapan yang dilakukan para agen intelijen Australia terhadap sejumlah petinggi Indonesia. Situasi kemudian semakin memburuk menyusul penolakan Presiden Jokowi atas permohonan grasi dua terpidana mati warga Australia yang dinyatakan bersalah tahun 2006 sebagai
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Hagare, Dharmappa, Woo Taek Hong, Zuhaib Siddiqui, Sai Kiran Natarajan, and Julian Fyfe. "Effect of Dairy Pond Sludge/Supernatant Application on Ryegrass Dry Matter Yield and Phosphorus Fractions in Soil." Agriculture 12, no. 3 (February 28, 2022): 351. http://dx.doi.org/10.3390/agriculture12030351.

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Pasture yield in dairy grazing systems is critical to supplying sufficient feed for milking cows and maintaining productivity. In the Australian dairy industry, ryegrass and clover are common grasses used in grazed pastures. Dairy shed effluent (DSE), the wastewater produced from washing down the dairy holding yards during and after milking, is generally managed through application to pasture as a fertilizer substitute/supplement following partial treatment in stabilization ponds. The aim of this study is to assess the benefits of applying sludge and supernatant collected from two-stage DSE po
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Dissertations / Theses on the topic "Grass tetany (Australia)"

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Elliott, Malcolm Gordon, of Western Sydney Hawkesbury University, and Faculty of Environmental Management and Agriculture. "Grass tetany of cattle in New South Wales." THESIS_FEMA_xxx_Elliott_M.xml, 2000. http://handle.uws.edu.au:8081/1959.7/7.

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Over the last 60 years, grass tetany has been recognised as a significant lethal condition in sheep and cattle.Outcomes from this study include documentation of the likely precursors to grass tetany, ways to recognise these precursors, and long term practices that will enable producers to minimise livestock deaths. The benefit of this research to beef producers is that the environmental circumstances thought to be associated with outbreaks of grass tetany have been identified, along with remedial action that can be taken to prevent deaths occurring.Recommendations to industry on best practice
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Elliott, Malcolm G. "Grass tetany of cattle in New South Wales." Thesis, 2000. http://handle.uws.edu.au:8081/1959.7/7.

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Abstract:
Over the last 60 years, grass tetany has been recognised as a significant lethal condition in sheep and cattle.Outcomes from this study include documentation of the likely precursors to grass tetany, ways to recognise these precursors, and long term practices that will enable producers to minimise livestock deaths. The benefit of this research to beef producers is that the environmental circumstances thought to be associated with outbreaks of grass tetany have been identified, along with remedial action that can be taken to prevent deaths occurring.Recommendations to industry on best practice
APA, Harvard, Vancouver, ISO, and other styles
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