Port v New Zealand Dairy Board - [1982] 2 NZLR 282

Negligence — Duty of care — Liability — Effect of contractual relationship between parties — Artificial Breeding Centre collected and stored semen from plaintiff's pedigree bull — Centre supplied artificial inseminator employed by plaintiff with semen from wrong bull — Inseminator used the semen supplied — Plaintiff brought an action in tort for negligence — Whether Centre and inseminator were negligent — Whether plaintiff had a right of action in tort for negligence or whether he could only claim for breach of contract.