动物营养学报2019，Vol.31Issue(3)：1091-1102,12.DOI:10.3969/j.issn.1006-267x.2019.03.014
母猪妊娠后期和泌乳期饲粮中添加小麦水解蛋白对初乳中氨基酸含量、生长因子和仔猪肠道发育的影响
Effects of Dietary Hydrolyzed Wheat Gluten to Sows during Late Gestation and Lactation on Amino Acid Contents and Growth Factors in Colostrum and Intestine Development of Piglets
摘要
Abstract
The aim of the present study was to investigate the effects of dietary hydrolyzed wheat gluten ( HWG) to sows during late gestation and lactation on amino acid contents and growth factors in colostrum and intestine development of piglets, in order to provide the experimental basis for its application in sows feeding preparation. Thirty-three pregnant sows with 3 to 4 parities and similar due dates were selected and randomly al-located to one of three groups with 11 sows per group. The sows in the control group were fed a basal diet, and those in the experimental groups were fed the basal diet supplemented with 1% and 2% HWG from the 90th day of gestation to the 21st day of lactation, respectively. All the diets were made iso-nitrogenous and iso-energetic. The results showed as follows: 1) compared with the control group, dietary 1% and 2% HWG significantly in-creased the average daily gain of piglets from 15 to 21 days of age and the weanling body weight of piglets at 21 days of age ( P<0.05) , dietary 1% HWG significantly increased the average birth weight of piglets ( P<0.05) . 2) Compared with the control group, dietary 1% and 2% HWG significantly increased the contents of histidine, isoleucine, leucine, lysine, threonine and insulin-like growth factor Ⅰ in sow’s colostrum ( P<0.05) , dietary 1% HWG significantly increased the contents of aspartic acid, glutamic acid, tryptophan and tyrosine in sow’s colostrum ( P<0.05) , and dietary 2% HWG significantly increased the contents of glycine, serine, insulin and epidermal growth factor in sow’s colostrum ( P<0. 05) . 3 ) Compared with the control group, dietary 1% and 2% HWG significantly decreased the serum ammonia content and mRNA relative ex-pression levels of inflammatory cytokines in the jejunum such as interleukin ( IL)-6, IL-8, IL-1β and tumor necrosis factor α ( TNF-α) and in the ileum such as IL-8 and TNF-α of weaned piglets ( P<0.05) , and signifi-cantly increased the ratio of the villus height to crypt depth in the duodenum, jejunum and ileum of weaned pig-lets ( P<0.05) . Dietary 2% HWG significantly increased serum albumin content of weaned piglets ( P<0.05) , significantly decreased the ileal IL-6 mRNA relative expression level and the ileal crypt depth ( P<0.05) . 4) Compared with the control group, dietary 1% HWG significantly enhanced the protein abundance of claudin-4 ( P<0.05) , while dietary 2% HWG resulted in enhancing protein abundances of claudin-3, claudin-4 and oc-cludin in the jejunum of weaned piglets ( P<0.05) . In conclusion, dietary HWG to sows during late gestation and lactation can improve the levels of amino acids and growth factors in colostrum and the utilization efficien-cy of protein, thus promoting the intestinal health and growth of piglets. [ Chinese Journal of Animal Nutri-tion, 2019, 31(3) :1091-1102]关键词
小麦水解蛋白/母猪/氨基酸/生长因子/断奶仔猪/肠道形态/肠道炎症Key words
hydrolyzed wheat gluten/sows/amino acids/growth factors/weaned piglets/intestine morphol-ogy/intestine inflammation分类
农业科技引用本文复制引用
寇娇,崔璐,贾海,陈辉,戴兆来,伍国耀,朱芳周,武振龙..母猪妊娠后期和泌乳期饲粮中添加小麦水解蛋白对初乳中氨基酸含量、生长因子和仔猪肠道发育的影响[J].动物营养学报,2019,31(3):1091-1102,12.基金项目
国家自然科学基金项目(31272450,31572412) （31272450,31572412）
智慧郑州1125聚才计划 （）
