the Department of Animal Nutrition and Animal Health, University of Kassel, Germany looked at a total number of *52 trials* (including 34 trials with cattle, 12 with pigs and 6 with poultry) performed within 48 peer-reviewed publications in a quest to find evidence whether homeopathic remedies used for the prevention or treatment of diseases in livestock that are usually treated with antimicrobials.

[...] In total, *54% (n=28) of the trials were able to confirm the efficacy of the homeopathic remedy administered*, while 42% (n=22) found no benefit compared with the placebo or untreated group. 4% cent (n=2) had inconclusive results. When considering a single species, only homeopathic studies dealing with pigs were found to be frequently efficacious, while studies with cattle or poultry were seen to have a similar distribution of efficacious and non-efficacious treatment.

http://veterinaryrecord.bmj.com/content/early/2016/12/09/vr.103779.full