References
- Agricultural Research Council . 1980 . The Nutrient Requirements of Ruminant Livestock , Slough : Commonwealth Agricultural Bureaux .
- Bray , A.R. , Burton , R.N. and Cox , B.T. 1987 . Magnesium supplementation of lactating ewes and lamb growth . N.Z. vet. J. , 35 : 55 – 57 .
- Grace , N.D. 1983 . The Mineral Requirements of Grazing Ruminants , N.Z. Society of Animal Production . Occasional Publication 9