Abstract: 【Objective】 The objective of the experiment is to study the effect of different selenium sources on production performance, slaughter performance, meat quality, muscles conventional nutrients,immune function and anti-oxidation function in goose.【Method】Ninety-six one-day-old geese with similar initial body weight (P＞0.05) were divided into 4 groups with three replications per group according to a completely random design. The proportion of selenium in the same basal diets was 0.30 mg•kg-1, respectively. The control group was fed with basal diet, the other three groups was fed with basal diet added with sodium selenite (SS), Se-enriched yeast (SY) and Nano-Se, respectively.【Result】Except that breast muscle percentage and leg muscle rate index of SY group were much higher than the control group (P＜0.05), the body weight gain, feed conversion ratio and slaughter performance index of 4 and 9-week-old goose in other groups were no obvious difference (P＞0.05), and there was no obvious difference in different selenium sources (P＞0.05). The water loss rate, hardness, water content and crude fat content index of 9-week-old goodse in other groups were lower than the control group (P＜0.05), and there was no obvious difference in different selenium sources (P＞0.05). The drip loss of other groups were lower than the control group (P＜0.05), the drip loss of SY was lower than SS (P＜0.05). The mypglobin content of other groups were higher than the control group (P＜0.05), the mypglobin content of SY was higher than SS (P＜0.05). The crude protein content of SY and Nano-Se were higher than the control group (P＜0.05), and there was no obvious difference in different selenium sources (P＞0.05). Various selenium sources increased significantly in immune function of goose, except that spleen index of Nano-Se group compared with the control group was no obvious difference, the immune organ index of 4 and 9-week-old of other groups were much higher than the control group (P＜0.05), but there was no obvious difference in different selenium sources.Tlymphocyte transformation rate of Nano-Se group and 4, 9 week-old of SS group were all much higher than the control group (P＜0.05), SY group were much higher than SS group (P＜0.05) and very higher than the control group (P＜0.01). The activity of GSH-PX, T-SOD and T-AOC among various selenium sources both in 4, 9w serum and liver increased significantly (P＜0.05). The content of MDA and H2O2 reduced significantly both in 4, 9w serum and liver (P＜0.05). There was no difference in the activity of GSH-PX among various selenium sources in 4w serum of geese (P＞0.05). Compared with those geese fed by SS, the activity of GSH-PX in serum (9w) and liver (4, 9w) fed by SY increased significantly (P＜0.05). There was no difference in the activity of T-SOD among various selenium sources both in 4, 9w serum and liver of geese. The activity of T-AOC in 4, 9w serum and 4w liver fed by SY significantly increased (P＜0.05); the activity of T-AOC in 9w liver fed by Nano-Se very significantly increased (P＜0.05). The content of MDA in 4, 9w serum and liver fed by SY very significantly reduced (P＜0.05). There was no difference in the content of H2O2 among various selenium sources both in 4, 9w serum and liver (P＞0.05). The cGPx gene expression of the SS and Nano-Se group were significantly higher than the control group (P＜0.05), the SY group was very significantly higher than the control group (P＜0.01), the SY group was higher than the SS group and Nano-Se group (P＜0.05).【Conclusion】Adding different selenium sources to the diet of goose has no significant effects on production performance and slaughter performance, but can improve the quality of goose and content of muscles conventional nutrients, and promote the immune, antioxidant capacity. Compared with SS and Nano-Se, SY is a better source of selenium for goose.

Key words: different selenium sources, goose, production performance, slaughter performance, meat quality, immune function, antioxidant capacity