The experiment was conducted to study the effects of taurine on growth performance, antioxidant function and immune organ development of caged egg-type ducklings. Using a single factor completely randomized design, a total of 240 one-day-old Jinding egg-type ducklings were randomly assigned to 5 groups with 6 replicates per group, and each replicate contained 8 ducks. All the egg-type ducklings were fed corn-soybean meal basal diets supplemented with 0, 0.05%, 0.10%, 0.15% and 0.20% taurine, respectively. The experimental period lasted for 4 weeks. The results showed as follows: supplementation of 0.10% taurine significantly improved average daily gain(ADG), and reduced the ratio of feed to gain (F/G) of egg-type ducklings (P<0.05). Meanwhile, the activities of superoxide dismutase (SOD) and glutathion peroxidase (GSH-Px) and total anti-oxidation capability (T-AOC) were increased, while malondialdehyde (MDA) content was decreased significantly in liver (P<0.05). The bursa of Fabricius index and spleen index were elevated significantly (P<0.05). The activities of SOD and GSH-Px, T-AOC in serum, and the thymus index were not significantly affected by supplementation of 0.10% taurine (P>0.05). In conclusion, supplementation with 0.10% taurine in diets can improve the growth performance, antioxidant function and the development of immune organs of caged egg-type ducklings.［Chinese Journal of Animal Nutrition, 2011, 23（5）：807 -812］
YANG Xiaoran，WANG An，GUO Zhijie
. Effects of Taurine on Growth Performance, Antioxidant Function and Immune Organ Development of Caged Egg-type Ducklings[J]. Chinese Journal of Animal Nutrition, 2011
, 23(05)
: 807
-812
.
DOI: 10.3969/j.issn.1006-267x.2011.05.014
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