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Vliv přídavku quercetinu na výskyt kokcidií u králíků
Dvořáčková, Nikola
This thesis investigated the effect of the flavonoid quercetin on the coccidiosis oocyst counts in rabbits. At the same time, it also investigated the impact on weight, daily gains, feed conversation ratio, daily and total consumption, and biochemical blood parameters. The experiment lasted a total of 116 days. Two groups of six piece weaned rabbits each of the Japanese rabbit breed were created. The age of the rabbits was 35–149 days in the experimental group and 31–145 days in the control group. The average weight of rabbits at the beginning of the experiment was 267 g, and at the end, it was 2288 g. A special feed mixture containing 1.9% quercetin was prepa-red for the experimental group. The mixture was added in the amounts of 1, 2, and 4 g per day, depending on their equal weight. The addition of 0.01 – 0.04 g/rabbit/day of the flavonoid quercetin did not have a negative effect on the health status, performance parameters, and biochemical para-meters of the blood. The experimental group had a lower average number of oocysts (EPG) than the control group (quercetin = 328, control = 640). There was a statisti-cally significant effect of quercetin on the number of coccidia oocysts (P < 0.05), pro-bably through its antioxidant effect, supporting immune reactions, and thereby main-taining a healthy intestinal environment. Quercetin can be a potential substance for the prevention of coccidiosis.
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