Hypomagnesaemia in cattle

References

• Agricultural Research Council . 1965 . “ The Nutrient Requirements of Farm Livestock ” . In No. 2. Ruminants: technical reviews and summaries , 55 – 55 . London : The Council . 58, 60 and 80
   Google Scholar
• Alcock , N. and Maclntyre , I. 1960 . Interrelation of calcium and magnesium absorption . Biochem. J. , 76 : 19 – 20 .
   Web of Science ®Google Scholar
• Alcock , N. and Maclntyre , I. 1962 . Inter-relation of calcium and magnesium absorption . Clin. Sci. , 22 : 185 – 193 .
   PubMed Web of Science ®Google Scholar
• Allcroft , R. 1954 . Hypomagnesaemia in cattle . Vet. Rec. , 66 : 517 – 522 .
   Google Scholar
• 1960 . “ Prevention of hypomagnesaemia ” . In Conference on Hypomagnesaemia , 102 – 111 . London : British Veterinary Association . In
   Google Scholar
• Allcroft , R. and Ivins , L. N. 1964 . The effect of dietary calcium and sodium levels on the development of hypomagnesaemia in milk-fed calves . Rep. III Int. Meet. Dis. Cattle, Copenhagen , : 217 – 222 .
   Google Scholar
• Allcroft , R. and Littlejohn , A. I. 1961 . The acceptability of calcined magnesite to cattle with a note on the response obtained in a case of hypomagnesaemia . Vet. Rec. , 73 : 34 – 36 .
   Google Scholar
• Allcroft , W. M. 1947a . Observations on some metabolic disorders of cows, as evidenced by chemical analysis of samples of blood from clinical cases. (1) Conditions of occurrence . Vet. J. , 105 : 2 – 11 .
   Google Scholar
• Allcroft , W. M. 1947b . Observations on some metabolic disorders of cows as evidenced by chemical analysis of samples of blood from clinical cases. (2) Some aspects of blood chemistry . Vet. J. , 103 : 30 – 47 .
   Google Scholar
• Allcroft , W. M. 1947c . Seasonal hypomagnesaemia of the bovine without clinical symptoms With special reference to the influence of climate on the level of serum magnesium and the incidence of clinical hypomagnesaemia . Vet. J. , 103 : 75 – 100 .
   Google Scholar
• Allcroft , W. M. and Green , H. H. 1938 . Seasonal hypomagnesaemia of the bovine without clinical symptoms . J. comp. Path. , 51 : 176 – 191 .
   Google Scholar
• 1960 . “ Discussion ” . In Conference on Hypomagnesaemia , 53 – 54 . London : British Veterinary Association . In
   Google Scholar
• Barker , J. R. 1939 . Blood plasma changes and variations in the female bovine toxaemias . Vet. Rec. , 51 : 575 – 580 .
   Google Scholar
• Barker , J. R. 1948 . “ Hypocalcaemia, hypomagnesaemia, hypophosphataemia and fog fever ” . In Conference on Grassland and Animal Health, London , Nat. Vet. Med. Assn. Publ. No. 17 86 – 92 . In
   Google Scholar
• Bartlett , S. , Brown , B. B. , Foot , A. S. , Rowland , S. J. , Allcroft , R. and Parr , W. H. 1954 . The influence of fertilizer treatment of grassland on the incidence of hypomagnesaemia in milking cows . Brit, vet. J. , 110 : 3 – 19 .
   Google Scholar
• Blakemore , F. and Stewart , J. 1933 . Some observations on several outbreaks of so-called lactation tetany in cattle . 3rd Rep. Inst. Anim. Path. Univ. Camb. , 1932–1933 : 159 – 168 .
   Google Scholar
• Blakemore , F. and Stewart , J. 1935 . Studies on the magnesium content of the blood of cows in lactation tetany districts . 4th Rep. Inst. Anim. Path. Univ. Camb. , 1934–1935 : 103 – 110 .
   Google Scholar
• Blaxter , K. L. 1956 . “ The magnesium content of bone in hypomagnesaemic disorders of livestock ” . In Ciba Foundation Symposium on Bone Structure and Metabolism Edited by: Wolstenholme , G. E. W. , O'Connor , C. M. J. and Churchill , A. 117 – 134 . In
   Google Scholar
• Blaxter , K. L. 1964 . Utilization of the metabolizable energy of grass . J. Brit. Grassl. Soc. , 19 : 90 – 99 .
   Google Scholar
• Blaxter , K. L. and McGill , R. F. 1956 . Magnesium metabolism in cattle . Vet. Revs. Annot. , 2 : 35 – 55 .
   Google Scholar
• Blaxter , K. L. and Rook , J. A. F. 1954 . Experimental magnesium deficiency in calves. 2. The metabolism of calcium, magnesium and nitrogen and magnesium requirements . J. comp. Path. , 64 : 176 – 186 .
   PubMed Web of Science ®Google Scholar
• Blaxter , K. L. , Rook , I. A. F. and Macdonald , A. M. 1954 . Experimental magnesium deficiency in calves. I. Clinical and pathological observations . J. comp. Path. , 64 : 157 – 175 .
   PubMed Web of Science ®Google Scholar
• Blaxter , K. L. and Sharman , G. A. M. 1955 . Hypomagnesaemic tetany in beef cattle . Vet. Rec. , 67 : 108 – 115 .
   Google Scholar
• Boda , J. M. and Cole , H. H. 1954 . The influence of dietary calcium and phosphorus on the incidence of milk fever in dairy cattle . J. Dairy Sci. , 37 : 360 – 372 .
   Web of Science ®Google Scholar
• 1960 . “ General discussion ” . In Conference on Hypomagnesaemia , 7 – 7 . London : British Veterinary Association . In
   Google Scholar
• Butler , E. J. 1963 . The mineral element content of spring pasture in relation to the occurrence of grass tetany and hypomagnesaemia in dairy cows . J. agric Sci. Camb. , 60 : 329 – 340 . others
   Web of Science ®Google Scholar
• Care , A. D. 1960 . The effect on cattle of high level magnesium supplementation of their diet . Vet. Rec. , 72 : 517 – 519 .
   Google Scholar
• Care , A. D. 1967 . Magnesium absorption and hypomagnesaemia . Feed Forum , 2 ( 1 ) : 6 – 9 .
   Google Scholar
• Care , A. D. and van't Klooster , A. Th. 1965 . In vivo transport of magnesium and other cations across the wall of the gastro-intestinal tract of sheep 7 . Physiol , 177 : 174 – 191 .
   Web of Science ®Google Scholar
• Care , A. D. and Ross , D. B. 1963 . The role of the adrenal cortex in magnesium homeostasis and in the aetiology of hypomagnesaemia . Res. vet. Sci. , 4 : 24 – 38 .
   Google Scholar
• Care , A. D. , Vowlcs , L. E. , Mann , S. O. and Ross , D. B. 1967 . Factors affecting magnesium absorption in relation to the aetiology of acute hypomagnesaemia . J. agric. Sci. Camb. , 68 : 195 – 204 .
   Web of Science ®Google Scholar
• Christian , K. R. and Williams , V. J. 1960 . Attempts to produce hypomagnesaemia in dry non-pregnant sheep . N.Z. J. agric. Res. , 3 : 389 – 398 .
   Google Scholar
• Cunningham , L J. 1934a . Magnesium and calcium in the blood of sheep and cows. Variations in the levels of blood magnesium and calcium in sheep and dairy cows with supplementary feeding of magnesium . N.Z. J. Sci. Tech. , 15 : 414 – 422 .
   Google Scholar
• Cunningham , L J. 1934b . Sugar cane molasses. A source of assimilable calcium and magnesium for animals . N.Z.J. Sci. Tech. , 16 : 81 – 87 .
   Google Scholar
• Cunningham , L J. 1936a . The distribution of magnesium in the animal organism and the effect of dietary magnesium . N.Z. J. Sci. Tech. , 18 : 419 – 423 .
   Google Scholar
• Cunningham , L. J. 1936b . Grass staggers and magnesium metabolism . N.Z. J. Sci. Tech. , 18 : 424 – 428 .
   Google Scholar
• Dishington , I. W. 1964 . Hypomagnesaemia and hypomagnesaemic tetany in dairy cows as influenced by the composition of diets . Rep. III. Int. Meet. Dis. Cattle, Copenhagen , : 203 – 209 .
   Google Scholar
• Dishington , I. W. and Tollersrud , S. 1967 . Hypomagnesaemia and hypomagnesaemic tetany induced in lactating cows by changing the diet . Acta vet. Scand. , 8 : 14 – 25 .
   Web of Science ®Google Scholar
• Dryerre , H. 1932 . Lactation tetany . Vet. Rec. , 12 : 1163 – 1168 .
   Google Scholar
• Duckworth , J. and Godden , W. 1941 . The lability of skeletal magnesium reserves. The influence of rates of bone growth . Biochem. J. , 35 : 816 – 823 .
   PubMedGoogle Scholar
• Ender , F. , Dishington , I. W. and Helgebostad , A. 1957 . The magnesium problem in relation to the tetany paresis syndrome in dairy cows . Nord. VetMed. , 9 : 881 – 917 .
   Google Scholar
• Ender , F. , Halse , K. and Slagsvold , P. 1949 . Studies on the importance of the dietary magnesium in the production and prevention of hypomagnesaemia in dairy cows and its relation to the tetany-paresis syndrome . Rep. XIV Internat. Vet. Congr. London , 3 : 14 – 20 .
   Google Scholar
• Field , A. C. 1959 . Balance trials with magnesium-28 in sheep . Nature , 183 : 983 – 983 . [Lond.]
   PubMed Web of Science ®Google Scholar
• Gerken , H. J. and Fontenot , J. P. 1967 . Availability and utilization of magnesium from dolomitic limestone and magnesium oxide in steers . J. Anim. Sci. , 26 : 1404 – 1408 .
   PubMed Web of Science ®Google Scholar
• Gerring , J. C. 1962 . Magnesium imbalance in animals . Proc. Rukura Frms' Conf. Week , : 90 – 96 .
   Google Scholar
• Green , H. H. 1948 . “ Major and minor mineral elements in relation to animal health and pasture management in the British Isles ” . In Conference on Grassland and Animal Health. London , Nat. Vet. Med. Assn Publ. No. 17 60 – 70 . In
   Google Scholar
• Halse , K. 1960 . Changes in serum calcium and magnesium in cows subjected to short periods of fasting . Proc. 8th Int. Grassl. Congr. Reading , : 553 – 558 .
   Google Scholar
• Hanna , S. and Maclntyre , I. 1960 . The influence of aldosterone on magnesium metabolism . Lancet , ii : 348 – 350 .
   Google Scholar
• t'Hart , M. L. 1960 . “ The influence of meteorological conditions and fertilizer treatment on pasture in relation to hypomagnesaemia ” . In Conference on Hypomagnesaemia , 88 – 95 . London : British Veterinary Association . In
   Google Scholar
• Head , M. J. and Rook , J. A. F. 1955 . Hypomagnesaemia in dairy cattle and its possible relationship to ruminal ammonia production . Nature , 176 : 262 – 262 . [Lond.]
   PubMed Web of Science ®Google Scholar
• Herd , R. P. , Schuster , N. and Coltman , M. 1965 . Prevention of hypomagnesaemia and grass tetany . Aust. vet. J. , 41 : 142 – 146 .
   Google Scholar
• Hopkirk , C. S. M. , Marshall , D. and Blake , T. A. 1933 . Grass tetany of dairy cows . Vet. Rec. , 13 : 355 – 361 .
   Google Scholar
• Horvath , D. J. , Dozsa , L. , Kidder , H. E. , Warren , J. E. Jr , Bhatt , B. and Croushore , W. 1967 . Magnesium supplements for cattle on spring pasture . J. Anim. Sci. , 26 : 875 – 875 .
   Web of Science ®Google Scholar
• Hutton , J. B. 1963 . The effect of lactation on intake in the dairy cow . Proc. N.Z. Soc. Anim. Prod. , 23 : 39 – 51 .
   Google Scholar
• Hvisdsten , H. , Odelien , M. , Baerug , R. and Tollersrud , S. 1959 . The influence of fertilizer treatment of pastures on the mineral composition of the herbage and the incidence of hypomagnesaemia in dairy cows . Acta agric. Scand. , 9 : 261 – 291 .
   Google Scholar
• Immink , H. J. , Geurink , J. H. and Deijs , W. B. 1965 . “ The determination of the higher fatty acids in grass and cow faeces, faarb ” . In Inst. biol. scheik. Onderz. Landb Gewass 103 – 107 . (Mededeling 291)
   Google Scholar
• Inglis , J. S. S. , Weipers , M. and Marr , A. 1954 . Some observations on bovine hypomagnesaemia . Vet. Ree. , 66 : 353 – 354 .
   Google Scholar
• Kemp , A. 1958 . Influence of fertilizer treatment of grassland on the incidence of hypomagnesaemia and hypomagnesaemic tetany (grass tetany) in milking cows . Neth. J. agric. Sci. , 6 : 281 – 297 .
   Google Scholar
• Kemp , A. 1959 . “ Some observations on the sodium contents of herbage in relation to the serum magnesium levels in grazing milking cows ” . In Jaarb. Inst. biol. scheik. Onderz. Landb Gewass 163 – 167 . (Mededeling 88)
   Google Scholar
• Kemp , A. 1960 . Hypomagnesaemia in milking cows: The response of serum magnesium to alterations in herbage composition resulting from potash and nitrogen dressings on pasture . Neth. J. agric. Sci. , 8 : 281 – 304 .
   Google Scholar
• Kemp , A. 1964 . Sodium requirement of milking cows: balance trials with cows on rations of freshly mown herbage and on winter rations . Neth. J. agric. Sci. , 12 : 263 – 280 .
   Google Scholar
• Kemp , A. , Deijs , W. B. , Hemkes , O. J. and van Es , A. J. H. 1961 . Hypomagnesaemia in milking cows: intake and utilization of magnesium from herbage by lactating cows . Neth. J. agric. Sci. , 9 : 134 – 149 .
   Google Scholar
• Kemp , A. , Deijs , W. B. and Kluvers , E. 1966 . Influence of higher fatty acids on the availability of magnesium in milking cows . Neth. J. agric. Sci. , 14 : 290 – 295 .
   Web of Science ®Google Scholar
• Kemp , A. and t'Hart , M. L. 1957 . Grass tetany in grazing milking cows . Neth. J. agric. Sci. , 5 : 4 – 17 .
   Google Scholar
• Larvor , P. , Girard , A. , Brochart , M. , Parodi , A. and Sevestre , J. 1964 . Etude de la carence experimentale en magn'esium chez le veau . Annl. biol. anim. Biochim. Biophys. , 4 : 345 – 369 .
   Google Scholar
• Leech , F. B. , Davis , M. E. , Macrae , W. D. and Withers , F. W. 1960 . Disease, Wastage and Husbandry in the British Dairy Herd. Report of a National Survey 1957–58 , London : H.M.S.O. .
   Google Scholar
• Line , C , Head , M. J. , Rook , J. A. F. , Foot , A. S. and Rowland , S. J. 1958 . Investigations into the use of supplements for the control of hypomagnesae—mia in dairy cows during the spring grazing period . J. agric. Sci. Camb. , 51 : 353 – 360 .
   Google Scholar
• Lothian , W. 1931 . Lactation tetany in the cow . Vet. Rec. , 11 : 585 – 585 .
   Google Scholar
• McAllister , J. S. V. and McConaghy , S. 1962 . The effects of applying magnesium compounds to herbage . Res. exp. Rec. Minist. Agric. Nth. Ireland , 12 ( 1 ) : 1 – 7 .
   Google Scholar
• McConaghy , S. , McAllister , J. S. V. , Todd , J. R. , Rankin , I. E. F. and Kerr , J. 1963 . The effects of magnesium compounds and of fertilizers on the mineral composition of herbage and on the incidence of hypomagnesaemia in dairy cows . J. agric. Sci. Camb. , 60 : 313 – 328 .
   Web of Science ®Google Scholar
• MacDonald , P. and Jackson , T. H. 1955 . Application of magnesium sulphate to grass for silage as a means of preventing hypomagnesaemic tetany . Proc. Brit. Soc. Anim. Prod. , : 109 – 114 .
   Google Scholar
• Maclntyre , I. and Davidsson , D. 1958 . The production of secondary potassium depletion, sodium retention, nephrocalcinosis and hypercalcaemia by magnesium deficiency . Biochem. J. , 70 : 456 – 462 .
   PubMed Web of Science ®Google Scholar
• McNaught , K. J. 1964 . “ Effects of fertilizer and season on magnesium levels in pastures ” . In Sheepfarming Annual , 148 – 152 . N.Z. : Massey University .
   Google Scholar
• McNaught , K. J. and Ludecke , T. E. 1967 . Effect of soil type on uptake of magnesium by pasture plants . Proc. N.Z. Soc. Anim. Prod: , : 121 – 125 .
   Google Scholar
• Manston , R. 1967 . The influence of dietary calcium and phosphorus concentration on their absorption in the cow . J. agric. Sci. Camb. , 68 : 263 – 268 .
   Web of Science ®Google Scholar
• Marshak , R. R. 1958 . Some metabolic derangements associated with magnesium metabolism in cattle . J. Am. vet. med. Ass. , 133 : 539 – 542 .
   PubMedGoogle Scholar
• Metson , A. J. , Saunders , W. M. H. , Collie , T. W. and Graham , V. W. 1966 . Chemical composition of pastures in relation to grass tetany in beef breeding cows . N.Z. J. agric. Res. , 9 : 410 – 436 .
   Web of Science ®Google Scholar
• Meyer , H. and Grund , H. 1963 . Absorption of magnesium from various compounds, in cattle . Tierarztl. Umsch. , 18 : 181 – 182 .
   Google Scholar
• Molen , H. van der . 1964 . Hypomagnesaemia and grass fertilization in the Netherlands . Out. Agric. , 4 : 55 – 63 .
   Google Scholar
• Oostendorp , D. and Harmeson , H. E. 1962 . Supplementary feeding of dairy cattle in springtime, with regard to grass tetany . Wageningen: Profestation voor de Akker — en Weidebouw. Mededeling. , 67 23 p
   Google Scholar
• Parr , W. H. 1957 . Hypomagnesaemic tetany in calves fed on milk diets . Vet. Rec. , 69 : 71 – 76 .
   Google Scholar
• Parr , W. H. and Allcroft , R. 1953 . Quoted in Parr, W. H. (1957)
   Google Scholar
• Parr , W. H. and Allcroft , R. 1957 . The application of magnesium compounds to pasture for the control of hypomagnesaemia in grazing cattle: A comparison between magnesian limestone and calcined magnesite . Vet. Rec. , 69 : 1041 – 1047 .
   Google Scholar
• Phillipson , A. T. and Storry , J. E. 1965 . The absorption of calcium and magnesium from the rumen and small intestine of the sheep . J. Physiol. , 181 : 130 – 150 .
   PubMed Web of Science ®Google Scholar
• Reith , J. W. S. 1954 . Effects of calcic and magnesian liming materials on the calcium and magnesium contents of crops and pasture . Emp. J. exp. Agric. , 22 : 305 – 313 .
   Google Scholar
• Rook , J. A. F. 1961 . Rapid development of hypomagnesaemia in lactating cows given artificial rations low in magnesium . Nature , 191 : 1019 – 1019 . [Lond.]
   PubMed Web of Science ®Google Scholar
• Rook , J. A. F. 1963 . Experimental magnesium deficiency in the cow . J. comp. Path. , 73 : 93 – 97 .
   PubMed Web of Science ®Google Scholar
• Rook , J. A. F. and Balch , C. C. 1962 . Magnesium metabolism in the dairy cow. III. The intake and excretion of calcium, phosphorus, sodium, potassium, water and dry matter in relation to the development of hypomagnesaemia . J. agric. Sci. Camb. , 59 : 103 – 108 .
   Google Scholar
• Rook , J. A. F. and Campling , R. C. 1962 . Magnesium metabolism in the dairy cow. IV. The availability of the magnesium in various feedingstuffs . J. agric. Sci. Camb. , 59 : 225 – 232 .
   Web of Science ®Google Scholar
• Rook , J. A. F. and Storry , J. E. 1962 . Magnesium in the nutrition of farm animals . Nutr. Abstr. Rev. , 32 : 1055 – 1077 .
   PubMedGoogle Scholar
• Rook , J. A. F. and Wood , M. 1960 . Mineral composition of herbage in relation to the development of hypomagnesaemia in grazing cattle . J. Sci. Fd. Agric. , 11 : 137 – 143 .
   Google Scholar
• Ross , D. B. 1961 . Influence of sodium on the transport of magnesium across the intestinal wall of the rat in vitro . Nature , 189 : 840 – 841 . [Lond.]
   PubMed Web of Science ®Google Scholar
• Saunders , W. M. H. 1967 . Soil, plant and animal relationships in agricultural production . Proc. N.Z. Soc. Anim. Prod. , 27 : 101 – 108 .
   Google Scholar
• Seekles , L. 1955 . Nutrition tetany in dairy cattle . Eur. Ass. Anim. Prod. 5th Mtg., Reading , : 154 – 163 .
   Google Scholar
• Seekles , L. 1958 . “ Nutrition tetany ” . In Seminar on Control of Diseases in Cattle and Sheep at Pasture , Project No. 204 Paris : European Productivity Agency of O.E.E.C. . In
   Google Scholar
• Seekles , L. 1964 . Hypomagnesaemia and nutrition tetany in adult cattle . Rep. III. Int. Meet. Dis. Cattle. Copenhagen , : 119 – 142 .
   Google Scholar
• Simesen , M. G. , Lunaas , T. , Rogers , T. A. and Luick , J. R. 1962 . The endogenous excretion of magnesium in cattle . Acta vet. Scand. , 3 : 175 – 184 .
   Google Scholar
• Sjollema , B. 1928 . Translation published as Sjollema, B. (1930) On the nature and therapy of grass staggers . Vet. Rec , 10 : 425 – 431 . 450–4
   Google Scholar
• Sjollema , B. 1932 . Nutritional and metabolic disorders in cattle . Nutr. Abstr. Rev. , 1 : 621 – 632 .
   Google Scholar
• Sjollema , B. and Seekles , L. 1929 . Translation published as Sjollema, B. (1930) On the nature and therapy of grass staggers . Vet. Rec. , 10 : 425 – 431 . 450–4
   Google Scholar
• Skyrme , H. P. 1967 . Learning to live with metabolic diseases in beef cattle . N.Z. f. Agric. , 114 ( 1 ) : 23 – 23 . 25
   Google Scholar
• Smith , R. H. 1957 . Calcium and magnesium metabolism in calves. Plasma levels and retention in milk-fed calves . Biochem. J. , 67 : 472 – 481 .
   PubMed Web of Science ®Google Scholar
• Smith , R. H. 1958 . Calcium and magnesium metabolism in calves. 11. Effect of dietary vitamin D and ultraviolet irradiation on milk-fed calves . Biochem. J. , 70 : 201 – 205 .
   PubMed Web of Science ®Google Scholar
• Smith , R. H. 1961 . Importance of magnesium in the control of plasma calcium in the calf . Nature , 191 : 181 – 182 . [Lond.]
   Web of Science ®Google Scholar
• Smith , R. H. 1962 . Net exchange of certain inorganic ions and water in the alimentary tract of the milkfed calf . Biochem. J. , 83 : 151 – 163 .
   PubMed Web of Science ®Google Scholar
• Smyth , P. J. , Conway , A. and Walsh , M. J. 1958 . The influence of different fertilizer treatments on the hypomagnesaemia proneness of a rye grass sward . Vet. Rec. , 70 : 846 – 849 .
   Google Scholar
• Stewart , J. and Reith , J. W. S. 1956 . Effects of magnesian liming on the magnesium content of pasture and the blood level of magnesium in cows . J. comp. Path. , 66 : 1 – 9 .
   PubMedGoogle Scholar
• Stillings , B. R. , Bratzler , J. W. , Marriott , L. F. and Miller , R. C. 1964 . Utilization of magnesium and other minerals by ruminants consuming low and high nitrogen-containing forages and vitamin D . J. Anim. Sci. , 23 : 1148 – 1154 .
   Web of Science ®Google Scholar
• Storry , J. E. and Rook , I. A. F. 1962 . The magnesium nutrition of the dairy cow in relation to the development of hypomagnesaemia in the grazing animal . J. Sci. Fd Agric. , 13 : 621 – 627 .
   Web of Science ®Google Scholar
• Storry , J. E. and Rook , I. A. F. 1963 . Magnesium metabolism in the dairy cow. V. Experimental observations with a purilied diet low in magnesium . J. agric. Sci. Camb. , 61 : 167 – 171 .
   Web of Science ®Google Scholar
• Swan , J. B. and Jamieson , N. D. 1956a . Studies on metabolic disorders in dairy cows. I. Diagnostic methods and a survey of clinical cases of ketosis, milk fever and lactation tetany in New Zealand cows . N.Z. J. Sci. Tech. , 38A : 137 – 151 .
   Google Scholar
• Swan , J. B. and Jamieson , N. D. 1956b . Studies on metabolic disorders in dairy cows. 11. Observations on the aetiology of metabolic disorders in four Waikato dairy herds . N.Z. J. Sci. Tech. , 38A : 316 – 325 .
   Google Scholar
• Swan , J. B. and Jamieson , N. D. 1956c . Studies on metabolic disorders in dairy cows. III. The effects of aftercalving underfeeding and of thyroprotein dosing on the level of scrum magnesium in dairy cows . N.Z. J. Sci. Tech. , 38A : 363 – 382 .
   Google Scholar
• Todd , J. R. 1961 . Control of hypomagnesaemia . Vet. Rec. , 73 : 1277 – 1278 .
   Google Scholar
• Todd , J. R. 1965 . The influence of soil type on the effectiveness of single dressings of magnesia in raising pasture magnesium content and in controlling hypomagnesaemia . Brit. vet. J. , 121 : 371 – 380 .
   PubMedGoogle Scholar
• Todd , J. R. and Morrison , N. E. 1964 . Control of hypomagnesaemic tetany by foliar application of calcined magnesite . J. Brit. Crassl. Soc. , 19 : 179 – 182 .
   Google Scholar
• Todd , J. R. , Scally , W. C. P. and Ingram , J.M. 1966 . Studies of the effectiveness of “free access” feeding of a magnesia-molasses mixture for the prevention of hypomagnesaemia in dairy cows at pasture . Vet. Rec. , 78 : 888 – 891 .
   PubMed Web of Science ®Google Scholar
• Walshe , M. J. and Conway , A. 1960 . Hypomagnesaemia in ruminants . Proc. 8th. Int. Grassl. Congr., Reading , : 548 – 553 .
   Google Scholar