References
- Davis , G. H. 1974 . Effect of selenium and an anthelmintic on the growth of weaned calves in the South Island high country . N.Z. Journal of Experimental Agriculture , 2 : 393 – 395 .
- Grace , N. D. , Maunsell , L. A. and Scott , D. 1974 . Growth responses of ewe hoggets supplemented with Se, Cu, Co, and I in the Lake Ohau area . N.Z. Journal of Experimental Agriculture , 2 : 99 – 102 .
- Hartley , W. J. , Grant , A. B. and Drake , C. 1960 . “ Recent advances in selenium and animal health ” . In Sheep-farming Annual 43 – 48 .
- Hartley , W. J. Selenium and ewe fertility . Proceedings of the N.Z. Society of Animal Production . Vol. 23 , pp. 20 – 27 .
- Mudd , A. I. and Mackie , I. L. 1973 . The influence of Vitamin E and selenium on ewe prolificacy . Veterinary Record , 93 : 197 – 199 .
- Scales , G. H. Reproductive performance of Merino ewes dosed with selenium prior to mating . Proceedings of the N.Z, Society of Animal Production . Vol. 34 , pp. 103 – 113 .
- Scales , G. H. , Lewis , K. H. C. and Ludecke , T. E. 1968 . Early weaning of Merino lambs on to different pasture types and the effect of thiabendazole and selenium treatments . N.Z. Journal of Agricultural Research , 11 : 615 – 624 .
- Southcott , W. H. , Wheeler , J. L. , Hill , M. K. and Hedges , D. A. Effect of subdivision, stocking rate, anthelmintic and selenium on the productivity of Hereford heifers . Proceedings of the Australian Society of Animal Production . Vol. 9 , pp. 408 – 411 .