Effects of fermented sugarcane bagasse on growth performance,serum biochemical indicators,and intestinal morphology of meat ducks
The aim of this study is to investigate the effects of fermented sugarcane bagasse on the growth performance,serum biochemical indicators,and intestinal morphology of meat ducks.Randomly divide 2000 healthy 1-day old meat ducks into 4 groups,with 10 replicates in each group,with 50 replicates per replicate.The experiment lasted for a total of 42 days.The experimental results showed that,under the premise of consistent initial body weight(P＞0.05),using 2%and 4%fermented sugarcane bagasse instead of rice bran significantly increased the final body weight of meat ducks by 1.6%and 3.5%,respectively(P＜0.05);Significantly increased the average daily gain of meat ducks by 1.7%and 4.8%,respectively;Replacing rice bran with 4%fermented sugarcane bagasse significantly reduced the feed to weight ratio of meat ducks by 2.1%;In addition,using fermented sugarcane bagasse instead of rice bran had no significant effect on the average daily feed intake of meat ducks(P＞0.05).The use of 2%and 4%fermented sugarcane bagasse instead of rice bran significantly increased the serum IgA and IgG content of meat ducks(P＜0.05);Replacing rice bran with 2%and 4%fermented sugarcane bagasse significantly increased the serum GSH-Px and SOD activities of meat ducks(P＜0.05);In addition,the use of fermented sugarcane bagasse instead of rice bran did not significantly affect the serum albumin,total protein,IgM content,and CAT activity of meat ducks(P＞0.05).The use of 2%and 4%fermented sugarcane bagasse instead of rice bran significantly increased the duodenal villus height and V/C value of meat ducks(P＜0.05);The use of 4%fermented sugarcane bagasse instead of rice bran significantly increased the jejunal villus height and V/C value of meat ducks(P＜0.05);In addition,using fermented sugarcane bagasse instead of rice bran had no significant effect on the depth of duodenal and jejunal crypts in meat ducks(P＞0.05).Under the conditions of this experiment,the optimal replacement amount of fermented sugarcane bagasse in the diet of meat ducks is 4%.
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