References
- Mackintosh , C.G. , Orr , M.B. , Callaghcr , R.T. and Harvey , I. C. 1982 . Ryegrass staggers in Canadian wapiti deer . N.Z. vet. J. , 30 : 106 – 107 .
- Mason , R.W. 1968 . Axis cylinder degeneration associated with ryegrass staggers in sheep and cattle . Aust. vet. J. , 44 : 428 – 428 .