Wellington Acclimatisation Society v Nireaha Co-Operative Dairy Co. Ltd. - [1963] NZLR 598

Fishing and fisheries — Offences — Discharge into river of casein waste — Such waste not in itself harmful to fish — Quantity of waste proving harmful to fish — Whether lack of knowledge of harmful effect of waste a defence — Freshwater Fisheries Regulations 1951 (S.R. 1951/15), Reg. 103.