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Maternal or post-weaning dietary fructo-oligosaccharide supplementation reduces stillbirth rate of sows and diarrhea of weaned piglets

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Animal Nutrition 2024年第02期17卷 155-164页

作者： Kaidi Ma Bin Su Fuyong Li Jinfeng Li Jiawei Nie Wenyu Xiong Jinxi Luo shuangbo huang Tong Zhou Xide Liang Facai Li Jinping Deng Chengquan Tan Guangdong Provincial Key Laboratory of Animal Nutrition Control National Engineering Research Center for Breeding Swine Industry Institute of Subtropical Animal Nutrition and Feed College of Animal Science South China Agricultural University Guangzhou Pucheng Biological Technology Co. Baolingbao Biology Co. Ltd

Fructo-oligosaccharides(FOS) are well-known prebiotics that have the potential to improve sow reproductive performance and increase piglet growth. However, previous studies were observed in sole FOS-supplemented diets of sows or weaned piglets and did not consider the sow-to-piglet transfer effect on the performance and diarrhea rate of weaned piglets. This study explores the effects of dietary FOS supplementation on the reproductive performance of sows, and the effects of FOS supplementation at different stages on the growth performance and diarrhea rate of weaned piglets. A split-plot experimental design was used with sow diet effect in the whole plot and differing piglet diet effect in the subplot. Fifty-two multiparous sows(223.24 ± 14.77 kg) were randomly divided into 2 groups(0 or 0.2%FOS). The experiment lasted from day 85 of gestation to day 21 of lactation. Reproductive performance,glucose tolerance, placental angiogenesis, and intestinal flora of sows were assessed. At weaning, 192weaned piglets were grouped in 2 × 2 factorial designs, with the main effects of FOS supplemental level of sow diet(0 and 0.2%), and FOS supplemental level of weaned piglet diet(0 and 0.2%), respectively. The growth performance and diarrhea rate of the weaned piglets were analyzed during a 28-d *** dietary supplementation of FOS was shown to reduce the stillbirth and invalid piglet rates(P < 0.05), improve the insulin sensitivity(P < 0.05) and fecal scores(P < 0.05) of sows, increase the abundance of Akkermansia muciniphila(P = 0.016), decrease the abundance of Escherichia coli(P = 0.035),and increase the isovalerate content in feces(P = 0.086). Meanwhile, the placental angiogenesis marker CD31 expression was increased in sows fed FOS diet(P < 0.05). Moreover, maternal and post-weaning dietary FOS supplementation reduced the diarrhea rate of weaned piglets(P < 0.05) and increased the content of short-chain fatty acids in feces(P < 0.05). Furthermore, only post-wea

关键词： Stillbirth Diarrhea Fructo-oligosaccharide Sow Weaned piglet

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脯氨酸在猪、鸡及水产养殖中的研究进展

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饲料工业 2024年第14期45卷 1-10页

作者：邓近平邓宸玺黄双波华南农业大学动物科学学院广东广州510642 岭南现代农业科学与技术广东省实验室茂名分中心广东广州510642 江西生物科技职业学院江西南昌330200

脯氨酸是畜禽和水生动物的一种功能性必需氨基酸,具有缓解氧化应激、参与能量代谢、调节免疫、促进蛋白质合成和提高动物生长繁殖性能等生理作用。文章阐述了脯氨酸的代谢过程、消化和吸收,重点介绍了脯氨酸的营养生理功能、研究进展、... 详细信息

脯氨酸是畜禽和水生动物的一种功能性必需氨基酸,具有缓解氧化应激、参与能量代谢、调节免疫、促进蛋白质合成和提高动物生长繁殖性能等生理作用。文章阐述了脯氨酸的代谢过程、消化和吸收,重点介绍了脯氨酸的营养生理功能、研究进展、研究展望,为进一步研究脯氨酸营养对实际猪、鸡和水产动物养殖生产的影响提供理论参考。

关键词：脯氨酸功能性必需氨基酸猪鸡水产养殖

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Maternal supply of cysteamine alleviates oxidative stress and enhances angiogenesis in porcine placenta

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Journal of Animal Science and Biotechnology 2022年第1期13卷 181-196页

作者： shuangbo huang Zifang Wu Zihao huang Xiangyu Hao Longmiao Zhang Chengjun Hu Jianfu Wei Jinping Deng Chengquan Tan Guangdong Provincial Key Laboratory of Animal Nutrition Control National Engineering Research Center for Breeding Swine IndustryInstitute of Subtropical Animal Nutrition and FeedCollege of Animal ScienceSouth China Agricultural UniversityGuangzhou 510642GuangdongChina Guangzhou DaBeiNong Agri-animal Huabandry Science and Technology Co. Ltd.Guangzhou 510642GuangdongChina Guangdong Laboratory for Lingnan Modern Agriculture South China Agricultural UniversityGuangzhou 510642GuangdongChina

Background:Oxidative stress in placenta is associated with the occurrence of adverse pregnancy outcomes in sow,but there are few satisfactory treatment strategies for these *** study investigated the potential of cysteamine(CS)as an antioxidant protectant for regulating the reproductive performance,redox status,and placental angiogenesis of ***:The placental oxidative stress status and vascular density of piglets with different birth weights:<1.0 kg(low birth weight,LBW)and 1.4–1.6 kg(normal birth weight,NBW)were evaluated,followed by allotting 84 sows to four treatments(n=21)and feeding them with a basal diet supplemented with 0,100,300,or 500 mg/kg of CS from d 85 of gestation to d 21 of lactation,***,serum,and colostrum samples of sows or piglets were collected,and the characteristics of sows and piglets were ***,the in vivo results were validated using porcine vascular endothelial cells(PVECs).Results:Compared with the NBW placentae,the LBW placentae showed increased oxidative damage and were vulnerable to angiogenesis ***,H2O2-induced oxidative stress prompted intracellular reactive oxygen species generation and inhibited the tube formation and migration of PVECs as well as the expression of vascular endothelial growth factor-A(VEGF-A)in ***,dietary CS supplementation can alleviate oxidative stress and improve the reproductive performance of ***,compared with the control group,dietary 100 mg/kg CS could(1)decrease the stillbirth and invalid rates,and increase both the piglet birth weight in the low yield sows and the placental efficiency;(2)increase glutathione and reduce malondialdehyde in both the serum and the colostrum of sows;(3)increase the levels of total antioxidant capacity and glutathione in LBW placentae;(4)increase the vascular density,the mRNA level of VEGF-A,and the immune-staining intensity of platelet endothelial cell adhesion molecule-1 in the LB

关键词： Angiogenesis Cysteamine Oxidative stress Placenta Sow

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Dietary fibers with low hydration properties exacerbate diarrhea and impair intestinal health and nutrient digestibility in weaned piglets

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Journal of Animal Science and Biotechnology 2023年第2期14卷 771-791页

作者： shuangbo huang Zhijuan Cui Xiangyu Hao Chuanhui Cheng Jianzhao Chen Deyuan Wu Hefeng Luo Jinping Deng Chengquan Tan Guangdong Provincial Key Laboratory of Animal Nutrition Control National Engineering Research Center for Breeding Swine IndustryInstitute of Subtropical Animal Nutrition and FeedCollege of Animal ScienceSouth China Agricultural UniversityGuangzhou 510642GuangdongChina Dekon Food and Agriculture Group Chengdu 610031China Guangdong Laboratory for Lingnan Modern Agriculture South China Agricultural UniversityGuangzhou 510642GuangdongChina.

Background:This study aimed to investigate the hydration properties of different-source fibrous materials by com-paring their water-binding capacity(WBC),water swelling capacity(WSC),viscosity,and in vivo effects of selected samples on growth performance,nutrient digestibility,diarrhea,and intestinal health in weaned ***:A total of 13 commercially available fibrous materials were first compared in chemical composition and in vitro hydration ***,40 weaned piglets were randomized to five experimental dietary groups(8 piglets per group):control diet(a basal diet without dietary fiber,CON),basal diet supplemented with 5%microcrys-talline cellulose(MCC),5%wheat bran(WB),5%Moringa oleifera leaf powder(MOLP),or 5%sugar beet pulp(SBP),fol-lowed by analyzing their growth performance and diarrhea rate in a 28-d *** the feeding experiment,anaesthetized piglets were killed,and their intestinal and colon content or plasma samples were analyzed in nutrient digestibility,intestinal morphology,intestinal barrier,short-chain fatty acids(SCFAs),and bacterial ***:In vitro studies showed low hydration properties for WB and MCC,while medium hydration properties for MOLP and *** vivo studies indicated that compared with medium hydration property groups,low hydration prop-erty groups showed(1)exacerbated diarrhea,impaired intestinal health,and reduced apparent fecal digestibility of dry matter,gross energy,acid detergent fiber,and neutral detergent fiber;(2)decreased SCFAs concentration and rela-tive levels of Lactobacillus and Bifidobacterium,but increased levels of Escherichia coli and Brachyspira hyodysenteriae in colon ***,SBP showed optimal performance in reducing diarrhea and increasing SCFAs *** analysis revealed a positive correlation of fiber hydration properties with in vitro SCFAs production,and diarrhea index and nutrient digestibility were negatively and positively correlated wi

关键词： Diarrhea Dietary fiber Hydration property Intestinal health Nutrient digestibility Weaned piglet

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Inclusion of wheat aleurone in gestation diets improves postprandial satiety,stress status and stillbirth rate of sows

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Animal Nutrition 2021年第2期7卷 412-420页

作者： Jinping Deng Chuanhui Cheng Haoyuan Yu shuangbo huang Xiangyu Hao Jianzhao Chen Jiansen Yao Jianjun zuo Chengquan Tan Guangdong Provincial Key Laboratory of Animal Nutrition Control National Engineering Research Center for Breeding Swine IndustryInstitute of Subtropical Animal Nutrition and FeedCollege of Animal ScienceSouth China Agricultural UniversityGuangzhou510642China Guangdong Laboratory for Lingnan Modern Agriculture South China Agricultural UniversityGuangzhou510642China Jiaxing Zhishifang Food Science and Technology Co. Ltd.JiaxingChina

This study investigated the effects of different amounts of wheat aleurone(WA)(0,15%,30%)inclusion in gestation diets on the reproductive performance,postprandial satiety,stress status and stereotypic be-haviors of sows.A total of 84 Landrace×Yorkshire sows(parity 4.87±1.32)at breeding were randomly allotted to one of the three isoenergetic and isonitrogenous dietary treatments based on parity and body *** results showed that,compared with the control(0),sows fed the WA diet had a higher serum concentration of peptide YY(PYY)(P<0.05)and glucagon like peptide-1(GLP-1)(P<0.05)and a lower concentration of saliva cortisol(P<0.01).Importantly,compared with the control group,only the 15%WA group had a higher concentration of the total antioxidant capacity(T-AOC)(P<0.05),lower pro-portions of sitting(P=0.05)and stillbirth rates(P<0.01).Accordingly,the production cost per piglet born alive($6.9 vs.$7.6)or per piglet born healthy($7.4 vs.$7.9)declined in the 15%WA group versus the control ***,15%WA inclusion in gestation diets contributed to enhancing postprandial satiety,alleviating stress status and decreasing stillbirth rate of *** study provides a reference for the application of WA as a partial substitute for conventional feed ingredients to improve sows'repro-ductive performance.

关键词： Wheat aleurone Stillbirth rate Stress Postprandial satiety Sow

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Dietary adenosine supplementation improves placental angiogenesis in IUGR piglets by up-regulating adenosine A2a receptor

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Animal Nutrition 2023年第2期13卷 282-288页

作者： Zifang Wu Jiawei Nie Deyuan Wu shuangbo huang Jianzhao Chen Huajin Liang Xiangyu Hao Li Feng Hefeng Luo Chengquan Tan Guangdong Provincial Key Laboratory of Animal Nutrition Control National Engineering Research Center for Breeding Swine IndustryInstitute of Subtropical Animal Nutrition and FeedCollege of Animal ScienceSouth China Agricultural UniversityGuangzhouGuangdong 510642China Dekon Food and Agriculture Group ChengduChina

Abnormal placental angiogenesis is associated with the occurrence of intrauterine growth restriction(IUGR)in piglets,and effective treatment strategies against this occurrence remain to be *** has been reported to play an important role in angiogenesis,but its role in placental angio-genesis is still ***,we investigated the effect of dietary adenosine supplementation on IUGR occurrence in piglets by analyzing the role of adenosine in placental angiogenesis for Normal and IUGR ***,88 sows were allotted to 2 treatments(n=44)and fed a basal diet supplemented with 0%or 0.1%of adenosine from day 65 of gestation until farrowing,followed by collecting the placental samples of Normal and IUGR piglets,and recording their *** results showed that adenosine supplementation increased the mean birth weight of piglets(P<0.05)and placental efficiency(P<0.05),while decreasing the IUGR piglet rate(P<0.05).Expectedly,the placenta for IUGR neonates showed a down-regulated vascular density(P<0.05)and angiogenesis as evidenced by the expression level of vascular cell adhesion molecule-1(VCAM1)(P<0.05).Notably,dietary adenosine supplementation promoted angiogenesis(P<0.05)both in the Normal and IUGR *** importantly,the expression level of adenosine A2a receptor(ADORA2A)was lower(P<0.05)in the IUGR placenta than in Normal placenta,whereas adenosine treatment could significantly increase ADORA2A expression,and also had an interaction effect between factors IUGR and ***,placentae for IUGR piglets showed impaired angiogenesis and down-regulated expression level of ADORA2A,while dietary adenosine supplementation could activate ADORA2A expression,improve the placental angio-genesis,and ultimately decrease the occurrence of IUGR in piglets.

关键词： Angiogenesis IUGR Placenta Adenosine ADORA2A

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Effects of dietary supplementation of nucleotides from late gestation to lactation on the performance and oxidative stress status of sows and their offspring

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Animal Nutrition 2021年第1期7卷 111-118页

作者： Chengquan Tan Yongcheng Ji Xichen Zhao Zhongquan Xin Jiaying Li shuangbo huang Zhiying Cui Lijun Wen Caihua Liu Sung Woo Kim Jinping Deng Yulong Yin Guangdong Laboratory of Lingnan Modern Agriculture Guangdong Provincial Key Laboratory of Animal Nutrition ControlNational Engineering Research Center for Breeding Swine IndustryCollege of Animal ScienceSouth China Agricultural UniversityGuangzhou510642China National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production Institute of Subtropical AgricultureChinese Academy of SciencesChangsha410125China Department of Animal Science North Carolina State University RaleighNC27695USA Guangdong Hinabiotech Co. Ltd.Guangzhou510642China Hubei Hiyee Biological Technology Co. Ltd.Xiangyang510642China

Increased metabolic burdens in breeding sows,which are induced by elevated systemic oxidative stress,could increase the need for nucleotides to repair lymphocyte DNA damage;however,de novo synthesis of nucleotides may be insufficient to cover this increased *** study investigated the effects of dietary nucleotides on milk composition,oxidative stress status,and the reproductive and lactational performance of *** multiparous sows were assigned to 2 dietary treatments(Control group,and 1 g/kg Nucleotides group)based on a randomized complete block design using their BW at 85 d of gestation as a *** from 2 groups were fed a restricted diet during gestation and ad libitum during *** experiment lasted from 85 d of gestation to 21 d of *** reproductive perfor-mance of sows and the growth performance of suckling piglets were *** stress pa-rameters and milk components were also *** were analyzed using contrasts in the MIXED procedure of *** in the Nucleotides group consumed more feed during the first week(P<0.01)and from 1 to 21 d(P<0.05)of lactation than those in Control ***,the litter weight gain of piglets showed a tendency to increase from cross-fostering to 9 d(P=0.09)and from cross-fostering to 20 d(P=0.10)in the Nucleotides group relative to the Control ***,the Nucleotides group was higher(P<0.01)than the Control group in the concentrations of uridine 5'monophosphate,guanosine 5'monophosphate,inosine 5'monophosphate,adenosine 5'mono-phosphate and total nucleotides in ***,the Nucleotides group was higher(P<0.01)than the Control group in the serum levels of total antioxidant capacity(P<0.01)for sows at 109 d of gestation and glutathione peroxidase for weaning piglets,but lower at the levels of thiobarbituric acid-reactive substances(P<0.05)in serum of weaning *** study indicated that maternal dietary nucleotides could promote piglet growth,probabl

关键词： Feed intake Nucleotide Oxidative stress Piglet Sow

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Maternal supply of cysteamine alleviates oxidative stress and enhances angiogenesis in porcine placenta

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畜牧与生物技术杂志(英文版) 2022年第1期

作者： shuangbo huang Zifang Wu Zihao huang Xiangyu Hao Longmiao Zhang Chengjun Hu Jianfu Wei Jinping Deng Chengquan Tan

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Dietary fibers with low hydration properties exacerbate diarrhea and impair intestinal health and nutrient digestibility in weaned piglets

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畜牧与生物技术杂志(英文版) 2023年第2期

作者： shuangbo huang Zhijuan Cui Xiangyu Hao Chuanhui Cheng Jianzhao Chen Deyuan Wu Hefeng Luo Jinping Deng Chengquan Tan

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克唑替尼相关性肾囊肿1例

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中华结核和呼吸杂志 2024年第4期47卷 356-359页

作者：全玲丽黄彭梁彦超陈芳玮刘双柏辛雯雯株洲市中心医院/中南大学湘雅医学院附属株洲医院呼吸与危重症医学科株洲412007 株洲市中心医院/中南大学湘雅医学院附属株洲医院病理科株洲412007

克唑替尼相关性肾囊肿(CARC)是指在使用克唑替尼治疗后新发肾囊肿或先前存在的肾囊肿发生变化,停用克唑替尼后,大多数CARC会自行消退。少数CARC表现出侵袭性行为,可超过肾皮质侵入附近结构,包括肾周间隙、腰大肌、肠道和腹壁等。本文报... 详细信息

克唑替尼相关性肾囊肿(CARC)是指在使用克唑替尼治疗后新发肾囊肿或先前存在的肾囊肿发生变化,停用克唑替尼后,大多数CARC会自行消退。少数CARC表现出侵袭性行为,可超过肾皮质侵入附近结构,包括肾周间隙、腰大肌、肠道和腹壁等。本文报道了1例浸润性肺腺癌EML4-ALK融合突变,给予克唑替尼治疗后反复出现双肾、右侧竖直肌、腰大肌多发囊性改变,停用药物后自行吸收消退过程。

关键词：克唑替尼肾囊肿肾周间隙腰大肌肾皮质 CAR 囊性改变相关性

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