References
- Heath , ACG , Cole , DJW and Bishop , DM . 1992 . Some currently available insecticides and their comparative efftcacy on louse-infested, long-woolled sheep . New Zealand Veterinary Journal , 40 : 101 – 103 .
- Batty , J , Pfeffer , A , Phegan , M and Heath , ACG . 1995 . Proliferative responses of lymphocytes in Bovicolu ovis-infested lambs . International Journal for Parasitology , 25 : 765 – 768 .
- Heath , ACG , Cole , DJW , Bishop , DM , Pfeffer , A , Cooper , SM and Risdon , P . 1995 . Preliminary investigations into the aetiology and treatment of cockle, a sheep pelt defect . Veterinary Parasitology , 56 : 239 – 254 .
- Heath , ACG , Cooper , SM , Cole , DJW and Bishop , DM . 1995 . Evidence for the role of the sheep-biting louse Bovicolu ovis in producing cockle, a sheep pelt defect . Veterinary Parasitology , 59 : 53 – 58 .
- Heath , ACG , Bishop , DM , Cole , DJW and Pfeffer , AT . The development of cockle, a sheep pelt defect, in relation to size of infestation and time of exposure to Bovicolu ovis, the sheep-biting louse . Veterinary Parasitology ,