研究方向：
母猪繁殖性能营养调控和仔猪肠道健康营养调控
1 提高母猪每头每年断奶仔猪数（PSY）的营养调控技术研发与新产品创制
通过研究母体营养调控子宫内膜信号通路、肠道微生物及胎儿发育作用机制，研发提高母猪产仔数和仔猪存活率的母子一体化营养调控技术和产品，为提高母猪PSY水平提供科技支撑。
2 植物活性成分调控仔猪肠道健康作用及替抗产品创制
针对断奶应激诱发的仔猪肠道炎症和腹泻问题，研究植物活性成分修复受损肠道的分子机理，研发降低仔猪腹泻和促进仔猪生长的替抗新饲料添加剂。
代表性成果：
代表性论文与专著发表
1、Li YP, Jiang XR*, Cai L, Zhang YL, Ding HB, Yin JD, Li XL*. Effects of daidzein on antioxidant capacity in weaned pigs and IPEC-J2 cells. Animal Nutrition. 2022, 11: 48-59.
2、张彦利, 蔡龙, 吕慧源, 牛建芹, 丁宏标, 李习龙, 蒋显仁*. 复合植物提取物对断奶仔猪生长性能、腹泻率、血清生化和抗氧化指标的影响. 中国畜牧杂志. 2022, 58(8):275-280.
3、蔡龙, 蒋显仁, 丁宏标, 李习龙*. 水飞蓟素的生物学功能及其在畜禽生产中的应用. 中国畜牧杂志. 2022:1-12.
4、Wei Z#, Cai L#, Zhao X, Jiang X, Li X*. Effects of spermidine on cell proliferation, migration, and inflammatory response in porcine enterocytes. Frontiers in Bioscience-Landmark. 2022, 27(6): 194.
5、Xia T, Yin C, Comi M, Agazzi A, Perricone V, Li X, Jiang X*. Live yeast supplementation in gestating and lactating primiparous sows improves immune response in dams and their progeny. Animals. 2022, 12(10): 1315.
6、Zhao XM, Jiang XR, Xia T, Arévalo Sured E, Schroyen M, Everaert N, Li XL*. Effect of dietary protein and energy intake on embryonic survival and gene expression in the uterine endometrium of early pregnant gilts. Animal. 2022, 16: 100540.
7、殷成港#, 高歌#, 商谭, 李习龙, 蒋显仁*. 饲粮中添加后生元对断奶仔猪生长性能、腹泻率、抗氧化能力及粪便微生物菌群的影响. 动物营养学报. 2022, 34(8):1-12.
8、殷成港, 李习龙, 蒋显仁*. 酵母水解物的生物学功能及其在猪生产中的应用进展. 动物营养学报. 2022, 34(6):3435-3522.
9、Zhao XM#, Wang JZ#, Gao G, Bontempo V, Chen CQ, Schroyen M, Li XL, Jiang XR*. The influence of dietary gallic acid on growth performance and plasma antioxidant status of high and low weaning weight piglets. Animals. 2021, 11(11):3323.
10、Cai L#, Wei ZX#, Zhao XM, Li YP, Li XL, Jiang XR*. Gallic acid mitigates LPS-induced inflammatory response via suppressing NF-κB signaling pathway in IPEC-J2 cells. Journal of Animal Physiology and Animal Nutrition. 2021. doi: 10.1111/jpn.13612.
11、张彦利, 蒋显仁, 李习龙*. 饲粮高剂量氧化锌及其替代物在断奶仔猪中的研究进展. 动物营养学报. 2021, 33(3): 1257-1265.
12、Li YP, Jiang XR, Wei ZX, Cai L, Yin JD, Li XL*. Effects of soybean isoflavones on the growth performance, intestinal morphology and antioxidative properties in pigs. Animal. 2020, 14(11): 2262-2270.
13、Cai L, Li YP, Wei ZX, Li XL*, Jiang XR*. Effects of dietary gallic acid on growth performance, diarrhea incidence, intestinal morphology, plasma antioxidant indices, and immune response in weaned piglets. Animal Feed Science and Technology. 2020, 261: 114391.
14、张彦利, 李习龙, 蒋显仁*. 功能性饲料添加剂对断奶仔猪生长与健康的研究进展. 中国猪业. 2020, 15(6):43-47.
15、蔡龙, 李习龙, 蒋显仁*. 没食子酸的生物学功能及在畜禽生产中的应用. 动物营养学报, 2019, 31(1): 102-108.
16、Liu BM #, Jiang XR #, Cai L, Zhao XM, Dai ZL, Wu GY, Li XL*. Putrescine mitigates intestinal atrophy through suppressing inflammatory response in weanling piglets. Journal of Animal Science and Biotechnology, 2019, 10: 69.
17、Liu B, Lü H, Jiang X*, Li X. Effect of Astragalus polysaccharide supplementation on growth performance and plasma parameters of weaned piglets under commercial condition. International Journal of Health, Animal Science and Food safety. 2018, 5: 50-59.
18.Long Cai;Ge Gao;Chenggang Yin;Rong Bai;Yanpin Li;Wenjuan Sun;Yu Pi;Xianren Jiang;Xilong Li. The Effects of Dietary Silybin Supplementation on the Growth Performance and Regulation of Intestinal Oxidative Injury and Microflora Dysbiosis in Weaned Piglets. Antioxidants.2023.
19.Zixi Wei;Lei Xu;Rong Bai;Limin Cui;Huigang Han;Yulong Han;Wenjuan Sun;Yanpin Li;Xianren Jiang;Xilong Li;Yu Pi. Dietary Supplementation with Different Types of Potassium and Magnesium during Late Gestation and Lactation Modulates the Reproductive Performance, Antioxidant Capacity, and Immune Function of Sows. Animals.2023
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