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Dietary curcumin alleviates intestinal damage induced by ochratoxin A in juvenile grass carp(Ctenopharyngodon idella):Necroptosis and inflammatory responses

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Animal nutrition 2024年第3期18卷 119-132页

作者： Piao Zhao Wei Dan Jiang Pei Wu Yang Liu Hong Mei Ren Xiao Wan Jin Lin Feng Xiao Qiu Zhou Animal nutrition Institute Sichuan Agricultural UniversityChengdu 611130SichuanChina fish nutrition and safety production university key laboratory of sichuan province Sichuan Agricultural UniversityChengdu 611130SichuanChina key laboratory of Animal Disease-Resistance nutrition Ministry of EducationMinistry of Agriculture and Rural AffairsKey Laboratory of Sichuan ProvinceSichuan611130China

Ochratoxin A(OTA)is one of the most common pollutants in aquatic *** a first line of defense,intestinal barriers could be utilized against OTA in order to prevent *** product supplementation is one of the most popular strategies to alleviate toxicity induced by mycotoxins,but there is a lack of knowledge about how it functions in the teleost *** this study,720 juvenile grass carp of about 11 g were selected and four treatment groups(control group,OTA group,curcumin[Cur]group,and OTA+Cur group)were set up to conduct a 60-day growth *** the test,the growth performance and intestinal health related indexes of grass carp were *** addition of dietary Cur could have the following main results:(1)inhibit absorption and promote efflux transporters mRNA expression,reducing the residuals of OTA,(2)decrease oxidative stress by reducing oxidative damage and enhancing the expression of antioxidant enzymes,(3)promote mitochondrial fusion proteins to inhibit the expression of mitotic proteins and mitochondrial autophagy proteins and enhance mitochondrial function,(4)reduce necroptosis-related gene expression through inhibiting the tumor necrotic factor receptor-interacting protein kinase/mixed lineage kinase domain-like pathway,(5)reduce the expression of pro-inflammatory factors by inhibiting the Toll-like receptor 4/nuclear factor-κB signaling pathway to alleviate the intestinal inflammatory *** summary,the results suggested that Cur could alleviate OTA-induced intestinal damage by enhancing antioxidant capacity and mitochondrial function as well as reducing necroptosis and inflammation in the grass carp *** study provided a theoretical basis and production implications for dietary Cur that could improve growth performance and alleviate the intestinal damage induced by OTA in fish.

关键词： Curcumin Ochratoxin A Grass carp growth performance Mid-intestine mitochondria function Necroptosis

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Establishing the link between D-mannose and juvenile grass carp(Ctenopharyngodon idella):Improved growth and intestinal structure associated with endoplasmic reticulum stress,mitophagy,and apical junctional complexes

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Animal nutrition 2024年第3期18卷 450-463页

作者： Chong Zhang Lin Feng Pei Wu Yang Liu Xiaowan Jin Hongmei Ren Hua Li Fali Wu Xiaoqiu Zhou Weidan Jiang Animal nutrition Institute Sichuan Agricultural UniversityChengdu 611130China fish nutrition and safety production University Key Laboratory of Sichuan ProvinceSichuan Agricultural UniversityChengdu 611130China key laboratory of Animal Disease-Resistance nutrition Ministry of EducationMinistry of Agriculture and Rural AffairsKey Laboratory of Sichuan ProvinceChengdu 611130China

D-mannose,essential for protein glycosylation,has been reported to have immunomodulatory effects and to maintain intestinal flora *** addition to evaluating growth performance,we examined the impact of D-mannose on the structure of epithelial cells and apical junction complexes in the animal *** 1800 grass carp(16.20±0.01 g)were randomly divided into six treatments with six replicates of 50 fish each and fed with six different levels of D-mannose(0.52,1.75,3.02,4.28,5.50 and 6.78 g/kg diet)for 70 *** study revealed that D-mannose increased feed intake(P 0.05).D-mannose supplementation at 1.75 g/kg increased crude protein content in fish and lipid production value(P<0.05).D-mannose supplementation at 4.28 g/kg increased intestinal length,intestinal weight and fold height of grass carp compared to the control group(P<0.05).This improvement may be attributed to the phosphomannose isomerase(PMI)-mediated enhancement of *** study found that D-mannose supplementation at 4.28 or 3.02 g/kg reduced serum diamine oxidase activity or D-lactate content(P<0.05)and improved cellular and intercellular structures for the first *** improvement of cellular redox homeostasis involves alleviating endoplasmic reticulum(ER)stress through the inositol-requiring enzyme 1(IRE1),RNA-dependent protein kinase-like ER kinase(PERK),and activating transcription factor 6(ATF6)signaling *** alleviation of ER stress may be linked to the phosphomannomutase(PMM)-mediated enhancement of protein *** addition,ubiquitin-dependent[PTEN-induced putative kinase 1(PINK1)/Parkin]and ubiquitin-independent[BCL2-interacting protein 3-like(BNIP3L),BCL2-interacting protein 3(BNIP3),and FUN14 domain containing 1(FUNDC1)]mitophagy may play a role in maintaining cellular redox *** enhancement of intercellular structures includes enhancing tight junction and adherent junction structures,which may be closely associated with the small Rho GTPase pr

关键词： Grass carp(Ctenopharyngodon idella) D-mannose Intestine structure Endoplasmic reticulum stress Mitophagy Apical junctional complex

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Unveiling the emerging role of curcumin to alleviate ochratoxin A-induced muscle toxicity in grass carp(Ctenopharyngodon idella):in vitro and in vivo studies

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Journal of Animal Science and Biotechnology 2024年第4期15卷 1638-1656页

作者： Piao Zhao Lin Feng Weidan Jiang Pei Wu Yang Liu Hongmei Ren Xiaowan Jin Lu Zhang Haifeng Mi Xiaoqiu Zhou Animal nutrition Institute Sichuan Agricultural UniversityChengdu 611130SichuanChina fish nutrition and safety production university key laboratory of sichuan province Sichuan Agricultural UniversityChengdu 611130SichuanChina key laboratory of Animal Disease‑Resistance nutrition Ministry of EducationMinistry of Agriculture and Rural AffairsKey Laboratory of Sichuan ProvinceChengdu 611130SichuanChina Tongwei Co. Ltd.Healthy Aquaculture Key Laboratory of Sichuan ProvinceChengdu 610041SichuanChina

Background Ochratoxin A(OTA),a globally abundant and extremely hazardous pollutant,is a significant source of contamination in aquafeeds and is responsible for severe food *** developmental toxicity of OTA and the potential relieving strategy of natural products remain *** study screened the substance curcumin(Cur),which had the best effect in alleviating OTA inhibition of myoblast proliferation,from 96 natural products and investigated its effect and mechanism in reducing OTA myotoxicity in vivo and in *** A total of 720 healthy juvenile grass carp,with an initial average body weight of 11.06±0.05 g,were randomly assigned into 4 groups:the control group(without OTA and Cur),1.2 mg/kg OTA group,400 mg/kg Cur group,and 1.2 mg/kg OTA+400 mg/kg Cur *** treatment consisted of 3 replicates(180 fish)for 60 *** Firstly,we cultured,purified,and identified myoblasts using the tissue block culture *** preliminary screening and re-screening of 96 substances,we examined cell proliferation-related indicators such as cell viability and ultimately found that Cur had the best ***,Cur could alleviate OTA-inhibited myoblast differentiation and myofibrillar development-related proteins(Myo G and MYHC)in vivo and in vitro and improve the growth performance of grass ***,Cur could also promote the expression of OTA-inhibited protein synthesis-related proteins(S6K1 and TOR),which was related to the activation of the AKT/TOR signaling ***,Cur could downregulate the expression of OTA-enhanced protein degradation-related genes(murf1,foxo3a,and ub),which was related to the inhibition of the Fox O3a signaling *** In summary,our data demonstrated the effectiveness of Cur in alleviating OTA myotoxicity in vivo and in *** study confirms the rapidity,feasibility,and effectiveness of establishing a natural product screening method targeting myoblasts to alleviate fungal toxin toxicity.

关键词： Curcumin Grass carp Myotoxic Ochratoxin A Protein deposition

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Aflatoxin B1 decreased flesh flavor and inhibited muscle development in grass carp(Ctenopharyngodon idella)

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Animal nutrition 2024年第3期18卷 27-38页

作者： Xiang Ning He Zhen Zhen Zeng Wei Dan Jiang Pei Wu Yang Liu Sheng Yao Kuang Ling Tang Shu Wei Li Lin Feng Xiao Qiu Zhou Animal nutrition Institute Sichuan Agricultural UniversityChengdu 611130China fish nutrition and safety production university key laboratory of sichuan province Sichuan Agricultural UniversityChengdu 611130China key laboratory for Animal Disease-Resistance nutrition Ministry of EducationMinistry of Agriculture and Rural AffairsKey Laboratory of Sichuan ProvinceChengdu 611130China Animal nutrition Institute Sichuan Academy of Animal ScienceChengdu 610066China

In nature,aflatoxins,especially aflatoxin B1(AFB1),are the common mycotoxins,which cause serious health problems for humans and *** paper aimed to study the effects of AFB1 on flesh flavor and muscle development of grass carp(Ctenopharyngodon idella)and its *** were 1440 individual fish in total,with 6 treatments and each treatment replicated 3 *** 6 treatments were fed a control diet with different doses of AFB1(0.04,29.48,58.66,85.94,110.43 and 146.92μg/kg diet)for 60 ***1 increased myofiber diameter,as well as decreased myofiber density of grass carp muscle(Ptory factors were downregulated in grass carp muscle(P<0.05).Furthermore,the activities of matrix metalloproteinase-2(MMP-2)and matrix metalloproteinase-9(MMP-9)were increased(P<0.05),and the protein levels of phosphorylate-38 mitogen-activated protein kinase(p-p38MAPK),phosphorylate-c-Jun N-terminal kinase,urokinase-type plasminogen activator(uPA),MMP-2 and MMP-9 were upregulated(P<0.05),but collagenⅠ,lamininβ1 and fibronectin were downregulated(P<0.05)with the dietary AFB1 increased in the muscle of grass *** on the results of this study,we can draw the following conclusion:dietary AFB1 might damage flesh flavor and inhibit the muscle development through MAPK/uPA/MMP/extrac

关键词： Aflatoxin B1 Flesh flavor Muscle development Grass carp

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Dietary copper improves intestinal structural integrity in juvenile grass carp(Ctenopharyngodon idella)probably related to its increased intestinal antioxidant capacity and apical junction complex

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Animal nutrition 2024年第3期18卷 96-106页

作者： Rui Ma Lin Feng Pei Wu Yang Liu Hong Mei Ren Xiao Wan Jin Shu Wei Li Ling Tang Xiao Qiu Zhou Wei Dan Jiang Animal nutrition Institute Sichuan Agricultural UniversityChengdu611130China fish nutrition and safety production university key laboratory of sichuan province Sichuan Agricultural UniversityChengdu611130China key laboratory of Animal Disease-Resistance nutrition Ministry of EducationMinistry of Agriculture and Rural AffairsKey Laboratory of Sichuan ProvinceChengdu611130China Animal nutrition Institute Sichuan Academy of Animal ScienceSichuan Animtech Feed Co.Ltd.Chengdu610066China

This research evaluated the effects of copper(Cu)on intestinal antioxidant capacity and apical junctional complex(AJC)in juvenile grass carp.A total of 1080 healthy juvenile grass carp(11.16±0.01 g)were fed six diets including different dosages of Cu,namely 0,2,4,6,8 mg/kg(Cu citrate[CuCit]as Cu source)and 3 mg/kg(CuSO4·5H2O as Cu source).The trial lasted for 9 *** findings revealed that dietary optimal Cu supplementation(2.2 to 4.1 mg/kg)promoted intestinal growth,including intestinal length,intestinal length index,intestinal weight,and intestinal somatic index(P 0.05).On the other hand,optimal Cu increased intestinal tight junction(TJ)proteins(except for claudin 15b)and adherens junction(AJ)proteins(E-cadherin,α-catenin,β-catenin,nectin and afadin)mRNA levels(Pfish intestinal health.

关键词： Copper Ctenopharyngodon idella Structural integrity Intestine

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Emerging role of vitamin D_(3)in alleviating intestinal structure injury caused by Aeromonas hydrophila in grass carp(Ctenopharyngodon idella)

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Animal nutrition 2024年第1期16卷 202-217页

作者： Yao Zhang Xiao-Qiu Zhou Wei-Dan Jiang Pei Wu Yang Liu Hong-Mei Ren Lu Zhang Hai-Feng Mi Ling Tang Cheng-Bo Zhong Lin Feng Animal nutrition Institute Sichuan Agricultural UniversityChengduChina fish nutrition and safety production university key laboratory of sichuan province Sichuan Agricultural UniversityChengduChina key laboratory for Animal Disease-Resistant nutrition of China Ministry of Education Sichuan Agricultural UniversityChengduChina Healthy Aquaculture key laboratory of sichuan province Tongwei Co.Ltd.ChengduChina sichuan Animal Science Academy Sichuan Animtech Feed Co.Ltd.ChengduChina

Bacterial pathogens destroy the structural integrity of functional organs in fish,leading to severe challenges in the aquaculture *** D_(3)(VD_(3))prevents bacterial infections and strengthens immune system function via vitamin D receptor(VDR).However,the correlation between VD_(3)/VDR and the structural integrity of functional organs remains *** study aimed to investigate the influence of VD_(3)supplementation on histological characteristics,apoptosis,and tight junction characteristics in fish intestine during pathogen infection.A total of 540 healthy grass carp(257.24±0.63 g)were fed different levels of VD_(3)(15.2,364.3,782.5,1,167.9,1,573.8,and 1,980.1 IU/kg)for 70 ***,fish were challenged with Aeromonas hydrophila,a pathogen that causes intestinal *** present study demonstrated that optimal supplementation with VD_(3)(1)alleviated intestinal structural damage,and inhibited oxidative damage by reducing levels of oxidative stress biomarkers;(2)attenuated excessive apoptosisrelated death receptor and mitochondrial pathway processes in relation to p38 mitogen-activated protein kinase signaling(Pfish intestine(P<0.05).Overall,the results demonstrated that VD_(3)alleviates oxidative injury,apoptosis,and the destruction of tight junction protein under pathogenic infection,thereby strengthening pathogen defenses in the *** finding supports the rationale for VD_(3)intervention as an essential practice in sustainable aquaculture.

关键词： Aeromonas hydrophila Antibacterial property Grass carp(Ctenopharyngodon idella) Intestinal health Vitamin D_(3)

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The protective role of prebiotics and probiotics on diarrhea and gut damage in the rotavirus-infected piglets

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Journal of Animal Science and Biotechnology 2024年第4期15卷 1424-1448页

作者： Heng Yang Xiangqi Fan Xiangbing Mao Bing Yu Jun He Hui Yan Jianping Wang Institute of Animal nutrition Sichuan Agricultural UniversityKey Laboratory for Animal Disease-Resistance Nutrition of China Ministry of EducationKey Laboratory of Animal Disease-Resistant Nutrition and Feed of China Ministry of Agriculture and Rural AffairsKey Laboratory of Animal Disease-Resistant Nutrition of Sichuan ProvinceNo.211Gongpinghuimin RoadWenjiang DistrictChengduSichuan Province 611130People’s Republic of China

Rotavirus is one of the pathogenic causes that induce diarrhea in young animals, especially piglets, worldwide. However, nowadays, there is no specific drug available to treat the disease, and the related vaccines have no obvious efficiency in some countries. Via analyzing the pathogenesis of rotavirus, it inducing diarrhea is mainly due to disturb enteric nervous system, destroy gut mucosal integrity, induce intracellular electrolyte imbalance, and impair gut microbiota and immunity. Many studies have already proved that prebiotics and probiotics can mitigate the damage and diarrhea induced by rotavirus infection in hosts. Based on these, the current review summarizes and discusses the effects and mechanisms of prebiotics and probiotics on rotavirus-induced diarrhea in piglets. This information will highlight the basis for the swine production utilization of prebiotics and probiotics in the prevention or treatment of rotavirus infection in the future.

关键词： Diarrhea Piglet Prebiotics Probiotics Rotavirus

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Research progress on cottonseed meal as a protein source in pig nutrition:An updated review

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Animal nutrition 2024年第3期18卷 220-233页

作者： An Tao Jiahao Wang Bin Luo Bowen Liu Zirui Wang Xingping Chen Tiande Zou Jun Chen Jinming You Jiangxi province key laboratory of Animal nutrition Jiangxi Agricultural UniversityNanchang 330045China Jiangxi province key Innovation Center of Integration in production and Education for High-Quality and Safe Livestock and Poultry Jiangxi Agricultural UniversityNanchang 330045China

At a global level,the supply of protein sources is insufficient to support the current magnitude of pig ***,given the exorbitant expense of conventional protein feed options like soybean meal and fish meal,it becomes imperative to promptly explore alternative sources of protein feed for the sustainable advancement of the pig *** meal,a by-product from the extraction of cottonseed oil,exhibits significant potential as a protein source for pig feed owing to its high protein content,high yield,low cost,well-balanced amino acid composition,and sufficient ***,cottonseed meal possesses several anti-nutritional factors,especially gossypol,which adversely affect growth and reproductive performance,resulting in the limited utilization of cottonseed meal in pig *** maximize the benefits of cottonseed meal and promote its application in pig production,it is imperative to acquire comprehensive knowledge regarding its nutritional value and current *** this review,we initially presented a summary of the nutritional values of cottonseed meal,primary anti-nutritional factors,and effective approaches for improving its utilization as a protein source ***,we comprehensively summarized the latest research progress of cottonseed meal application in pig nutrition over the past *** outcome of this review serves as a theoretical foundation and practical guidance for the research and application of cottonseed meal in pig nutrition and promotes the reduction of soybean meal utilization in the pig industry.

关键词： Cottonseed meal nutritional value Protein source Pig nutrition

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Zinc lactate alleviates oxidative stress by modulating crosstalk between constitutive androstane receptor signaling pathway and gut microbiota profile in weaned piglets

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Animal nutrition 2024年第1期16卷 23-33页

作者： Wenjie Tang Xuan Xiang Houfu Wang Wentao Zhou Liuqin He Yulong Yin Tiejun Li College of Animal Science and Technology Hunan Agricultural UniversityChangsha 410128China Hunan Provincial key laboratory of Animal nutritional Physiology and Metabolic Process CAS Key Laboratory of Agro-Ecological Processes in Subtropical RegionNational Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry ProductionInstitute of Subtropical AgricultureChinese Academy of SciencesChangsha 410125China Hunan Provincial key laboratory of Animal Intestinal Function and Regulation Laboratory of Animal Nutrition and Human HealthCollege of Life SciencesHunan Normal UniversityChangsha 410081China College of Advanced Agricultural Science University of Chinese Academy of SciencesBeijing 100049China sichuan Academy of Animal Sciences Animal Breeding and Genetics Key Laboratory of Sichuan ProvinceChengdu 610066China Livestock and Poultry Biological Products key laboratory of sichuan province Sichuan Animtech Feed Co.LtdChengdu 610000China

This study aimed to determine the regulatory mechanism of dietary zinc lactate(ZL)supplementation on intestinal oxidative stress damage in a paraquat(PQ)-induced piglet ***-eight piglets(mean body weight 9.51±0.23 kg)weaned at 28 d of age were randomly divided into control,ZL,PQ,and ZL+PQ groups(n=7 in each group).The ZL-supplemented diet had little effect on growth performance under normal physiological ***,under PQ challenge,ZL supplementation significantly improved average daily gain(Ptory factor-related genes and decreased inflammatory cytokine expression and secretion in PQinduced ***,ZL treatment significantly inhibited the activation of constitutive androstane receptor(CAR)signaling(Ptory capacity and regulating the crosstalk between CAR signaling and gut microbiota.

关键词： Zinc lactate Intestinal barrier Oxidative stress Inflammation Constitutive androstane receptor Gut microbiota

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Development of a novel critical nitrogen concentration-cumulative transpiration curve for optimizing nitrogen management under varying irrigation conditions in winter wheat

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The Crop Journal 2024年第4期12卷 1242-1251页

作者： Tianyang Ye Yu Zhang Jingyan Xuan Xintian Wang Yang Li Junhao Xu Liujun Xiao Leilei Liu Liang Tang Weixing Cao Bing Liu Yan Zhu National Engineering and Technology Center for Information Agriculture Engineering Research Center of Smart AgricultureMinistry of EducationKey Laboratory for Crop System Analysis and Decision MakingMinistry of AgricultureJiangsu Key Laboratory for Information AgricultureJiangsu Collaborative Innovation Center for Modern Crop ProductionNanjing Agricultural UniversityNanjing 210095JiangsuChina Institute of Remote Sensing and Digital Agriculture Sichuan Academy of Agricultural SciencesChengdu 610066SichuanChina

Accurate nitrogen(N)nutrition diagnosis is essential for improving N use efficiency in crop *** widely used critical N(Nc)dilution curve traditionally depends solely on agronomic variables,neglecting crop water *** three-year field experiments with winter wheat,encompassing two irrigation levels(rainfed and irrigation at jointing and anthesis)and three N levels(0,180,and 270 kg ha1),this study aims to establish a novel approach for determining the Nc dilution curve based on crop cumulative transpiration(T),providing a comprehensive analysis of the interaction between N and water *** Nc curves derived from both crop dry matter(DM)and T demonstrated N concentration dilution under different conditions with different *** equation Nc=6.43T0.24 established a consistent relationship across varying irrigation *** test results indicated that the nitrogen nutrition index(NNI),calculated from this curve,effectively identifies and quantifies the two sources of N deficiency:insufficient N supply in the soil and insufficient soil water concentration leading to decreased N availability for root ***,the NNI calculated from the Nc-DM and Nc-T curves exhibited a strong negative correlation with accumulated N deficit(Nand)and a positive correlation with relative grain yield(RGY).The NNI derived from the Nc-T curve outperformed the NNI derived from the Nc-DM curve concerning its relationship with Nand and RGY,as indicated by larger R2 values and smaller *** novel Nc curve based on T serves as an effective diagnostic tool for assessing winter wheat N status,predicting grain yield,and optimizing N fertilizer management across varying irrigation *** findings would provide new insights and methods to improve the simulations of water-N interaction relationship in crop growth models.

关键词： Crop dry matter Crop cumulative transpiration Bayesian statistical model Critical nitrogen dilution curve Nitrogen nutrition index

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