A reconnaissance survey of farmers’ awareness of hypomagnesaemic tetany in UK cattle and sheep farms
Autoři:
Diriba B. Kumssa aff001; Beth Penrose aff002; Peter A. Bone aff003; J. Alan Lovatt aff004; Martin R. Broadley aff001; Nigel R. Kendall aff005; E. Louise Ander aff006
Působiště autorů:
School of Biosciences, University of Nottingham, Sutton Bonington Campus, Leicestershire, United Kingdom
aff001; School of Land & Food, University of Tasmania, Tasmania, Australia
aff002; Livestock and Grassland Mineral Consultancy, Fairford, Gloucestershire, United Kingdom
aff003; Institute of Biological, Environmental and Rural Sciences (IBERS), Aberystwyth University, Aberystwyth, United Kingdom
aff004; School of Veterinary Medicine and Science, University of Nottingham, Leicestershire, United Kingdom
aff005; Inorganic Geochemistry, Centre for Environmental Geochemistry, British Geological Survey, Keyworth, Nottinghamshire, United Kingdom
aff006
Vyšlo v časopise:
PLoS ONE 14(10)
Kategorie:
Research Article
doi:
https://doi.org/10.1371/journal.pone.0223868
Souhrn
Hypomagnesaemic tetany (HypoMgT) in ruminants is a physiological disorder caused by inadequate intake or impaired absorption of magnesium (Mg) in the gut. If it is not detected and treated in time, HypoMgT can cause the death of the affected animal. A semi-structured questionnaire survey was conducted from July 2016–2017 to assess farmers’ awareness of HypoMgT in cattle and sheep in the UK. The questionnaire was distributed to farmers at farm business events and agricultural shows, and through a collaborative group of independent veterinary practices to their clients. Farmers were asked about (i) the incidence of presumed HypoMgT (PHT); (ii) their strategies to treat or prevent HypoMgT; (iii) mineral tests on animals, forage and soil, and (iv) farm enterprise type. A total of 285 responses were received from 82 cattle, 157 mixed cattle and sheep, and 46 sheep farmers, of whom 39% reported HypoMgT in their livestock, affecting 1–30 animals. Treatment and/or prevention against HypoMgT was reported by 96% respondents with PHT and 79% of those without. Mineral tests on animal, forage, and soil was conducted by 24%, 53%, and 66% of the respondents, respectively, regardless of PHT. There was a highly significant association between the use of interventions to tackle HypoMgT and the incidence of PHT (p < 0.01). The top three treatment/prevention strategies used were reported as being free access supplementation (149), in feed supplementation (59) and direct to animal treatments (drenches, boluses and injections) (45) although these did vary by farm type. Although some (9) reported using Mg-lime, no other pasture management interventions were reported (e.g., Mg-fertilisation or sward composition). Generally, the results indicate that UK farmers are aware of the risks of HypoMgT. A more integrated soil-forage-animal assessment may improve the effectiveness of tackling HypoMgT and help highlight the root causes of the problem.
Klíčová slova:
Agricultural workers – Beef – Farms – Grazing – Livestock – Livestock care – Ruminants – Sheep
Zdroje
1. Schonewille JT. Magnesium in dairy cow nutrition: An overview. Plant Soil. 2013; 368(1–2): 167–178. doi: 10.1007/s11104-013-1665-5
2. Martens H, Leonhard-Marek S, Rontgen M, Stumpff F. Magnesium homeostasis in cattle: Absorption and excretion. Nutr Res Rev. 2018; 31(1): 114–130. doi: 10.1017/S0954422417000257 29318981
3. Martens H, Schweigel M. Pathophysiology of grass tetany and other hypomagnesemias. Implications for clinical management. Vet Clin North Am Food Anim Pract. 2000; 16(2): 339–368. doi: 10.1016/S0749-0720(15)30109-2 11022344
4. Xin Z, Tucker WB, Hemken RW. Effect of reactivity rate and particle size of magnesium oxide on magnesium availability, acid-base balance, mineral metabolism, and milking performance of dairy cows. J Dairy Sci. 1989; 72(2): 462–470. doi: 10.3168/jds.S0022-0302(89)79128-1 2703568
5. Masters DG. Practical implications of mineral and vitamin imbalance in grazing sheep. Anim Prod Sci. 2018; 58(8): 1438–50. doi: 10.1071/An17761
6. Gardner GE, Jacob RH, Pethick DW. The effect of magnesium oxide supplementation on muscle glycogen metabolism before and after exercise and at slaughter in sheep. Aust J Agric Res. 2001; 52(7): 723–729. doi: 10.1071/Ar00128
7. Loudon KMW, Lean IJ, Pethick DW, Gardner GE, Grubb LJ, Evans AC, et al. On farm factors increasing dark cutting in pasture finished beef cattle. Meat Sci. 2018; 144: 110–117. doi: 10.1016/j.meatsci.2018.06.011 29937311
8. Cairney IM. Grass staggers in beef cattle: Results of survey of disease in Hawke’s Bay. New Zeal J Agr. 1964; 109: 45–49.
9. Fisher D, Wilson L. Progress report: Hypomagnesemia and grass tetany in beef cows and ewes. Pennsylvania livestock day: Animal science summary; March 2, 1979; Pennsylvania: The Pennsylvania State University; 1979.
10. McCoy M, Goodall E, Kennedy D. Incidence of bovine hypomagnesaemia in Northern Ireland and methods of magnesium supplementation. Vet Rec. 1996. 138(2): 41–43. doi: 10.1136/vr.138.2.41 8629323
11. Roderick S, Hovi M, Short N. Animal health and welfare issues on organic livestock farms in the uk: Results of a producer survey. BSAS Occasional Publication. 1999; 23: 109–112. doi: 10.1017/s0263967x00033334
12. Lane J, Jubb T, Shephard R, Webb-Ware J, Fordyce G. Priority list of endemic diseases for the red meat industries. SYDNEY: Meat and Livestock Australia, 2015 Contract No.: Final Report B.AHE.0010.
13. Suttle NF. Mineral nutrition of livestock. 4th ed. Wallingford, Oxfordshire, UK: CABI Publishing; 2010.
14. Underwood EJ, Suttle NF. The mineral nutrition of livestock. 3rd ed. Wallingford, Oxfordshire, UK: CABI Publishing; 1999.
15. Voison A. Grass tetany. London: Crosby Lockwood & Son Ltd.; 1963.
16. Duchy College Rural Business School. Farm business survey, 2012–2013: Special licence access. 2nd Edition. ed: UK Data Service; 2019. http://doi.org/10.5255/UKDA-SN-7461-3.
17. Hopkins A. Country pasture/forage resource profiles: United Kingdom. Rome: Food and Agriculture Organization of the United Nations; 2008.
18. NADIS. Hypocalcaemia and hypmagnesaemia: National animal disease information service; 2019 [updated 2010; cited 2019 21 March]. https://www.nadis.org.uk/disease-a-z/cattle/hypocalcaemia-and-hypomagnesaemia/.
19. Whitaker DA, Kelly JM. Incidence of clinical and subclinical hypomagnesaemia in dairy cows in England and Wales. Vet Rec. 1982; 110(19): 450–451. doi: 10.1136/vr.110.19.450 7101698
20. Metson AJ, Saunders WM, Collie TW, Graham VW. Chemical composition of pastures in relation to grass tetany in beef breeding cows. New Zeal J Agr Res. 1966; 9(2): 410–436. doi: 10.1080/00288233.1966.10420793
21. Kuusela E. Annual and seasonal changes in mineral contents (Ca, Mg, P, K and Na) of grazed clover-grass mixtures in organic farming. Agr Food Sci. 2006; 15(1): 23–34. doi: 10.2137/145960606777245551
22. Aydin I, Uzun F. Potential decrease of grass tetany risk in rangelands combining N and K fertilization with MgO treatments. Eur J Agron. 2008; 29(1): 33–37. doi: 10.1016/j.eja.2008.02.003
23. Kemp A, T Hart ML. Grass tetany in grazing milking cows. Neth J Agr Sci. 1957; 5: 4–17.
24. Kayser M, Isselstein J. Potassium cycling and losses in grassland systems: A review. Grass Forage Sci. 2005; 60(3): 213–224. doi: 10.1111/j.1365-2494.2005.00478.x
25. Agriculture and Horticulture Development Board (AHDB). Nutrient management guide (RB209). Section 3 Grass and forage crops. Kenilworth, Warwickshire: AHDB; 2017. https://ahdb.org.uk/documents/RB209/RB209_Section3.pdf.
26. Sleper DA, Vogel KP, Asay KH, Mayland HF. Using plant breeding and genetics to overcome the incidence of grass tetany. J Anim Sci. 1989; 67(12): 3456–3462. doi: 10.2527/jas1989.67123456x 2693420
27. Binnie R, Johnston D, Chestnutt D. The effect of a high-magnesium perennial ryegrass variety on the magnesium status of sheep. Grass Forage Sci. 1996; 51(4): 456–463. doi: 10.1111/j.1365-2494.1996.tb02081.x
28. Professional Agricultural Analysis Group (PAAG). Collation of data from routine soil analysis in the UK. PAAG; 2017. p. 12. http://www.nutrientmanagement.org/paag-report-2016-17-web/.
29. Lark RM, Ander EL, Broadley MR. Combining two national-scale datasets to map soil properties, the case of available magnesium in England and Wales. Eur J Soil Sci. 2019; 70(2): 361–377. doi: 10.1111/ejss.12743 30983873
30. Young M, Donald A. A guide to the Tellus data. Belfast: Geological Survey of Northern Ireland; 2013. 233 p.
31. Kendall NR, Bone PA. Farm and laboratory assessment of mineral availability in ruminants. In: Recent Advances in Animal Nutrition 2015. Eds: Garnsworthy PC and Wiseman J. Context Publishing, Packington, Leicestershire, UK; 2019, pp 29–36.
Článek vyšel v časopise
PLOS One
2019 Číslo 10
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