Efficacy of a homoeopathic prophylaxis against experimental infection of calves by the bovine lungworm Dictyocaulus viviparus
Taylor, S.M.; Mallon, T.R.; Green, W.P.
Veterinary Record 124(1): 15-17
1989
ISSN/ISBN: 0042-4900 PMID: 2521753 Document Number: 346361
Two groups of parasite-free calves, one of which had been treated with four doses of a homeopathic oral vaccine for parasitic bronchitis due to Dictyocaulus viviparus and the other with a placebo, were infected at the rate of 25 infective larvae/kg body weight 18 days after the final dose. Both groups became severely affected by parasitic bronchitis, with clinical signs starting 13 days after infection. There were no discernible differences between the treated and control groups in their manifestations of resistance to D. viviparus or their clinical responses to the disease produced.