1. Barry, T. N., Fennessy, P. F. and Duncan, S. J. The effect of formaldehyde treatment on the chemical composition, apparent digestibility, and voluntary intake of silage by sheep. Proceedings of the N.Z. Society of Animal Production. Vol. 32, pp.48–49.
2. Effect of flushing on reproductive performance of ewes
3. Drew, K. R. Thein vitrodetermination of herbage digestibility. Proceedings of the N.Z. Society of Animal Production. Vol. 26, pp.52–70.
4. INFLUENCE DE LA STRUCTURE PHYSIQUE ET DE LA QUALITÉ DE CONSERVATION DES ENSILAGES DE GRAMINÉES SUR LEUR INGESTIBILITÉ
5. Hutton, J. B. and Rattray, P. V. The effect on dairy cows and sheep performances of additives to high dry matter maize silage. Proceedings of the N.Z. Society of Animal Production. Vol. 36, pp.120–126.