Two simultaneous experiments were carried out in a breeding farm of New Zealand White rabbits
(Oryctolagus cuniculus f. domesticus) to determine the feasibility of replacing coccidiostats with garlic and oregano
preparation. The research took place during June and July, the period of the greatest threat of coccidiosis caused by
Eimeria spp. (Apicomplexa: Eimeriidae). In one investigation, 40 rabbits aged 1–3 months were divided into four
groups of ten animals: Group A being a control which received no coccidiostats in feed, Group B receiving the
coccidiostat Baycox in water once at weaning, Group C receiving the coccidiostat robenidine in feed, and group D
receiving herbal extracts in feed. In the second trial, six mated females were allocated equally to three groups analogous
to A, C, and D above during pregnancy and lactation. Bulk stool samples were collected from each group of rabbits at
weekly intervals for coproscopic analysis, and the production results of the animals were recorded. In the young rabbits,
both the faecal coccidia oocyst counts and body weight gains were more favourable in group D than the remaining
groups. Also, the female rabbits of group D were the least infected. The results demonstrate that garlic and oregano feed
additives exert a positive influence on the level and course of coccidia infection, with regard to maintaining a good level
of animal productivity, and these herbal extracts appear to have potential value in coccidiosis prophylaxy.
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