The effect of adding honeysuckle to the diet on the growth performance,intestinal antioxidant index and intestinal morphology of meat rabbits
The aim of this study is to investigate the effects of adding honeysuckle to the diet on the growth performance,intestinal antioxidant indicators,and intestinal morphology of meat rabbits.Select 400 weaned rabbits at the age of 30 days and randomly divide them into 4 groups,with 10 replicates in each group.Add 0%,0.05%,0.10%,and 0.2%honeysuckle extract to the basic diet as the experimental feed.The addition of honeysuckle to the diet had a significant impact on the growth performance of meat rabbits.Compared with the control group,the diet supplemented with 0.1%honeysuckle increased the final body weight of meat rabbits by 5.4%,increased the average daily weight gain by 6.8%,and decreased the feed to weight ratio by 7.2%(P＜0.05);In addition,the addition of honeysuckle to the diet had no significant effect on the average daily feed intake of meat rabbits(P＞0.05).Adding 0.1%and 0.2%honeysuckle extract to the diet significantly increased the intestinal T-SOD and T-AOC activities of meat rabbits(P＜0.05);Adding honeysuckle to the diet did not significantly affect the activities of CAT,Cu Zn SOD,and GSH Px in the intestines of meat rabbits(P＞0.05).Adding 0.1%and 0.2%honeysuckle extract to the diet significantly increased the duodenal villus height and V/C value of meat rabbits(P＜0.05),while adding 0.05%and 0.2%honeysuckle significantly increased the jejunal villus height and V/C value of meat rabbits(P＜0.05).In addition,adding honeysuckle to the diet had no significant effect on the depth of duodenal crypt,jejunal villus height,crypt depth,V/C value,and ileal crypt depth of meat rabbits(P＞0.05).In summary,under the conditions of this experiment,the optimal amount of honeysuckle added to the diet of meat rabbits is 0.1%.
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