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Effects of the concentration and nature of total dissolved solids in drinking water on feed intake, nutrient digestion, energy balance,methane emission, ruminal fermentation, and blood constituents in different breeds of young goats and hair sheep

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animal Nutrition 2024年第01期16卷 84-95页

作者： Amlan Kumar Patra Luana Paula dos Santos Ribeiro Hirut Yirga Adekayode O.Sonibare Ahmed R.Askar Ali H.Hussein Ryszard Puchala Arthur Louis Goetsch American institute for Goat Research Langston University animal and Poultry Nutrition Department Desert Research Center agriculture Food and Natural ResourcesEastern New Mexico University

Understanding how different livestock species and breeds respond to consumption of brackish water could improve usage of this ***,Angora,Boer,and Spanish goat doelings and Dorper,Katahdin,and *** ewe lambs (6 animals per animal type[AT];initial age=296±2.1 days)consuming water with varying concentrations of minerals of a natural brackish water source (BR) and sodium chloride (NaCl;SL) were used to determine effects on water and feed intake,nutrient digestion,heat energy,methane emission,ruminal fluid conditions,and blood constituent *** were 6 simultaneous 6 (water treatments[WT])×6 (AT) Latin squares with 3-wk *** WT were fresh (FR),BR alone (100-BR),a similar total dissolved solids (TDS) concentration as 100-BR via NaCl addition to FR (100-SL),BR with concentrations of all minerals increased by approximately 50%(150-BR),a similar TDS level as 150-BR by NaCl addition to FR (150-SL),and a similar 150 TDS level achieved by addition of a 1:1 mixture of BR minerals and NaCl to 100-BR (150-BR/SL).Concentrations (mg/kg) in BR were 4928 TDS,85.9 bicarbonate,224.9 calcium,1175 chloride,60.5 magnesium,4.59 potassium,1387sodium,1962 sulfate,and 8.3 boron,and TDS in other WT were 209,5684,7508,8309,and 7319 mg/kg for FR,100-SL,150-BR,150-SL,and 150-BR/SL,*** were very few significant effects of WT or AT×WT interactions,although AT had numerous *** intake was affected by AT (P=0.02)and WT (P=0.04),with greater water intake for 150-SL than for FR,100-BR,100-SL,and *** matter intake among AT was lowest (P<0.05) for *** of organic matter and neutral detergent fiber and heat energy differed among AT (P<0.05),but nitrogen digestion and ruminal methane emission were similar among *** aldosterone concentration was higher (P<0.05) for FR than for other *** conclusion,all AT seemed resilient to these WT regardless of mineral source and concentrations,with TDS less than 8300 mg/kg,which did

关键词： Goats Hair sheep Nutrient utilization Ruminal fermentation Salinity Water quality

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Effects of different energy levels in low-protein diet on liver lipid metabolism in the late-phase laying hens through the gut-liver axis

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Journal of animal Science and Biotechnology 2024年第5期15卷 2122-2136页

作者： Hong Hu Ying Huang Anjian Li Qianhui Mi Kunping Wang Liang Chen Zelong Zhao Qiang Zhang Xi Bai Hongbin Pan Yunnan Provincial Key Laboratory of animal Nutrition and Feed Science Faculty of Animal Science and TechnologyYunnan Agricultural UniversityKunming 650201China College of animal Science Anhui Science and Technology UniversityBengbu 233000China State Key Laboratory of animal Nutrition Institute of Animal SciencesChinese Academy of Agriculture SciencesBeijing 100193China Shanghai BIOZERON Biotechnology Co. LtdShanghai 201800China WOD Poultry Research institute Beijing 100193China

Background The energy/protein imbalance in a low-protein diet induces lipid metabolism disorders in late-phase laying *** energy levels in the low-protein diet to adjust the energy-to-protein ratio may improve fat deposition,but this also decreases the laying performance of *** study investigated the mechanism by which different energy levels in the low-protein diet influences liver lipid metabolism in late-phase laying hens through the enterohepatic axis to guide feed optimization and nutrition strategies.A total of 288 laying hens were randomly allocated to the normal-energy and normal-protein diet group(positive control:CK)or 1 of 3 groups:lowenergy and low-protein diet(LL),normal-energy and low-protein diet(NL),and high-energy and low-protein diet(HL)*** energy-to-protein ratios of the CK,LL,NL,and HL diets were 0.67,0.74,0.77,and 0.80,*** Compared with the CK group,egg quality deteriorated with increasing energy intake in late-phase laying hens fed low-protein *** fed LL,NL,and HL diets had significantly higher triglyceride,total cholesterol,acetylCo A carboxylase,and fatty acid synthase levels,but significantly lower hepatic lipase levels compared with the CK *** transcriptome sequencing revealed that genes involved in fatty acid beta-oxidation(ACOX1,HADHA,EHHADH,and ACAA1)were downregulated,whereas genes related to fatty acid synthesis(SCD,FASN,and ACACA)were upregulated in LL group compared with the CK *** of the cecal microbiome showed that in hens fed an LL diet,Lactobacillus and Desulfovibrio were enriched,whereas riboflavin metabolism was *** metabolites that were most significantly affected by the LL diet included several vitamins,such as riboflavin(vitamin B2),pantethine(vitamin B5 derivative),pyridoxine(vitamin B6),and 4-pyridoxic *** A lipid metabolism disorder due to deficiencies of vitamin B2 and pantethine originating from the metabolism of the cecal microb

关键词： Cecal microbiome Energy/protein imbalance Late-phase laying hens laying hens Liver lipid metabolism Low-protein diet Multi-omics

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Rumen microbiota succession throughout the perinatal period and its association with postpartum production traits in dairy cows:A review

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animal Nutrition 2024年第3期 17-26页

作者： Xiaowei Zhao Yangdong Zhang Ashikur Rahman Meiqing Chen Ning Li Tao Wu Yunxia Qi Nan Zheng Shengguo Zhao Jiaqi Wang State Key Laboratory of animal Nutrition and Feeding Institute of Animal SciencesChinese Academy of Agricultural SciencesBeijing 100193China Anhui Key Laboratory of Livestock and Poultry Product Safety Engineering Institute of Animal Husbandry and Veterinary MedicineAnhui Academy of Agricultural SciencesHefei 230031China Xinjiang Agricultural University Urumqi 830052China

The transition period for dairy cows usually refers to the 3 weeks pre-calving to the 3 weeks *** this period,dairy cows undergo metabolic and physiological adaptations because of their susceptibility to metabolic and infectious *** feeding management under these circumstances may adversely affect the health and subsequent production performance of the *** to long-term adaptation and evolution,the rumen has become a unique ecosystem inhabited by a complex microbial community closely associated with its natural *** components are metabolized by the rumen microbiota,and volatile fatty acids and microbial protein products can be used as precursor substances for synthesizing meat and milk *** successful transition of perinatal dairy cows includes changes in diet,physiology,and the rumen *** microbial profiles have been confirmed to be heritable and repairable;however,adverse circumstances affect rumen microbial composition,host digestion and metabolism,as well as postpartum production traits of dairy cows for a certain *** evidence indicates a close relationship between the rumen microbiota and animal ***,changes in rumen microbes during the transition period and the intrinsic links between the microbiota and host postpartum phenotypic traits need to be better understood to optimize production performance in ruminants.

关键词： Dairy cow Perinatal period Rumen microbiota Production trait

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Maternal supplementation with n-3 fatty acids affects placental lipid metabolism, inflammation, oxidative stress, the endocannabinoid system, and the neonate cytokine concentrations in dairy cows

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Journal of animal Science and Biotechnology 2024年第5期15卷 2012-2030页

作者： Priscila dos Santos Silva Gitit Kra Yana Butenko Jayasimha Rayalu Daddam Yishai Levin Maya Zachut Department of Ruminant Science Institute of Animal SciencesARO Volcani InstituteRishon LeZionIsrael Department of animal Science The Robert H.Smith Faculty of AgricultureFood and EnvironmentThe Hebrew University of JerusalemRehovotIsrael Department of animal Sciences Michigan State UniversityEast LansingMIUSA The Nancy and Stephen Grand Israel National Center for Personalized Medicine Weizmann Institute of ScienceRehovotIsrael

Background The placenta plays a crucial role in supporting and influencing fetal *** compared the effects of prepartum supplementation with omega-3(n-3)fatty acid(FA)sources,flaxseed oil(FLX)and fish oil(FO),on the expression of genes and proteins related to lipid metabolism,inflammation,oxidative stress,and the endocannabinoid system(ECS)in the expelled placenta,as well as on FA profile and inflammatory response of ***-pregnant Holstein dairy cows were supplemented with saturated fat(CTL),FLX,or *** cotyledons(n=5)were collected immediately after expulsion,and extracted RNA and proteins were analyzed by RTPCR and proteomic *** blood was assessed for FA composition and concentrations of inflammatory *** FO increased the gene expression of fatty acid binding protein 4(FABP4),interleukin 10(IL-10),catalase(CAT),cannabinoid receptor 1(CNR1),and cannabinoid receptor 2(CNR2)compared with CTL *** expression of ECS-enzyme FA-amide hydrolase(FAAH)was lower in FLX and FO than in *** analysis identified 3,974 proteins;of these,51–59 were differentially abundant between treatments(P≤0.05,|fold change|≥1.5).Top canonical pathways enriched in FLX *** and in FO *** were triglyceride metabolism and inflammatory *** n-3 FA increased the placental abundance of FA binding proteins(FABPs)3 and *** abundance of CNR1 cannabinoid-receptor-interacting-protein-1(CNRIP1)was reduced in FO *** silico modeling affirmed that bovine FABPs bind to *** FLX increased the abundance of inflammatory CD44-antigen and secreted-phosphoprotein-1,whereas prostaglandin-endoperoxide synthase 2 was decreased in FO *** *** FO enriched neonatal plasma with n-3 FAs,and both FLX and FO reduced interleukin-6 concentrations compared with *** Maternal n-3 FA from FLX and FO differentially affected the bovine placenta;both enhanced lipid metabolism and modulated oxidative s

关键词： Antioxidants Dairy cows Endocannabinoid system Inflammation Omega-3 fatty acids Placenta

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Prescreening of large-effect markers with multiple strategies improves the accuracy of genomic prediction

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Journal of Integrative agriculture 2024年第5期23卷 1634-1643页

作者： Keanning Li Bingxing An Mang Liang Tianpeng Chang Tianyu Deng Lili Du Sheng Cao Yueying Du Hongyan Li Lingyang Xu Lupei Zhang Xue Gao Junya LI Huijiang Gao Laboratory of Molecular Biology and Bovine Breeding Institute of Animal SciencesChinese Academy of Agricultural SciencesBeijing 100193China Shaanxi Key Laboratory of Molecular Biology for agriculture College of Animal Science and TechnologyNorthwest A&F UniversityYangling712100China College of Computer and Information Engineering Tianjin Agricultural UniversityTianjin 300384China College of animal Science and Technology Qingdao Agricultural UniversityQingdao 266109China Tongliao animal agriculture Development Service Center Tongliao 028000China

Presently,integrating multi-omics information into a prediction model has become a ameliorate strategy for genomic selection to improve genomic prediction ***,we set the genomic and transcriptomic data as the training population data,using BSLMM,TWAS,and eQTL mapping to prescreen features according to |β_(b)|>0,top 1%of phenotypic variation explained(PVE),expression-associated single nucleotide polymorphisms(eSNPs),and egenes(false discovery rate(FDR)<0.01),where these loci were set as extra fixed effects(named GBLUP-Fix)and random effects(GFBLUP)to improve the prediction accuracy in the validation population,*** results suggested that both GBLUP-Fix and GFBLUP models could improve the accuracy of longissimus dorsi muscle(LDM),water holding capacity(WHC),shear force(SF),and pH in Huaxi cattle on average from 2.14 to 8.69%,especially the improvement of GFBLUP-TWAS over GBLUP was 13.66%for *** methods also captured more genetic variance than *** study confirmed that multi-omics-assisted large-effects loci prescreening could improve the accuracyofgenomic prediction.

关键词： multi-omics data features prescreening eQTL mapping Huaxi cattle genomic selection

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The Combination of Achnatherum inebrians Extracts and Soil Microorganisms Inhibited Seed Germination and Seedling Growth in Elymus nutans

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Phyton-International Journal of Experimental Botany 2024年第3期93卷 567-580页

作者： Rui Zhang Taixiang Chen Zhenjiang Chen Hao Chen Xuekai Wei Malik Kamran Chunjie Li State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems Key Laboratory of Animal Husbandry InnovationMinistry of Agriculture and Rural AffairsEngineering Research Center of Grassland AgricultureMinistry of EducationWest Gansu Province Prataculture Technology Innovation CenterCollege of Pastoral Agriculture Science and TechnologyLanzhou UniversityLanzhou730020China Center for Grassland Research National Forestry and Grassland AdministrationCaFBeijing100091China

In a greenhouse experiment,the effects of soil microorganisms and extracts of Achnatherum inebrians on the seed germination and seedling growth of Elymus nutans were *** results showed that both the extracts from aboveground and belowground parts of *** signiﬁcantly inhibited the germination rate,germination potential,germination index,vigor index,seedling height,root length,and fresh weight of ***,but increased malondialdehyde content,catalase,peroxidase and superoxide dismutase activity of *** seedlings(p<0.05).The allelopathy of aqueous extracts of the aboveground parts of *** was stronger than that of the *** extracts of the aboveground parts of *** decreased seed germination rate,germination potential,germination index,vigor index,seedling length,root length,and seedling fresh weight by 10.45%-74.63%,24.18%-32.50%,19.03%-73.36%,37.83%-88.41%,21.42%-53.14%,2.65%-40.21%,and 20.45%-61.36%,respectively,and malondialdehyde content,peroxidase,catalase,and superoxide dismutase activity increased by 8.09%-62.24%,27.83%-86.47%,22.90%-93.17%,and 11.15%-75.91%,*** above indexes were higher in live soil than in sterilized *** microorganisms increased the allelopathy of *** seed germination rate,germination potential,germination index,vigor index,seedling length,and seedling fresh weight of *** planted in live soil decreased by 8.22%-48.48%,10.00%-51.85%,8.19%-53.26%,16.43%-60.03%,12.91%-28.81%,and 9.09%-22.86%compared with sterilized soil,*** content,peroxidase,catalase,and superoxide dismutase activity of *** planted in live soil increased by 53.91%-81.06%,15.71%-57.34%,33.33%-86.31%,and 9.78%-52.51%compared with sterilized soil,*** existence of soil microorganisms enhanced the allelopathy of the secondary metabolites of ***.A combination of microorganisms and aqueous extracts from the aboveground parts of *** had the s

关键词： Achnatherum inebrians water immersion liquid aqueous leachate precipitate allelopathy Elymus nutans soil microorganisms

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Improve meat production and virus resistance by simultaneously editing multiple genes in livestock using Cas12i^(Max)

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Science China(Life Sciences) 2024年第3期67卷 555-564页

作者： Jilong Ren Tang Hai Yangcan Chen Ke Sun Zhiqiang Han Jing Wang Chongyang Li Qingwei Wang Leyun Wang Huabing Zhu Dawei Yu Wei Li Shanjiang Zhao State Key Laboratory of animal Nutrition Key Laboratory of Animal GeneticsBreeding and Reproduction of Ministry of Agriculture and Rural AffairsInstitute of Animal ScienceChinese Academy of Agricultural SciencesBeijing 100193China State Key Laboratoryf Stem Cell and Reproductive Biology Instituteof ZooogyChinese Academyof SciencesBeijing 100101China Beijing institute for Stem Cell and Regenerative Medicine Beijing 100101China Beijing Farm animal Research Center Institute of ZoologyChinese Academy of SciencesBeijing 100101China

The clustered regularly interspaced short palindromic repeats(CRISPR)/CRISPR-associated gene(Cas) system is continually optimized to achieve the most efficient gene editing effect. The Cas12i^(Max), a Cas12i variant, exhibits powerful DNA editing activity and enriches the gene editing toolbox. However, the application of Cas12i^(Max)in large domestic animals has not yet been reported. To verify the efficiency and feasibility of multiple gene editing in large animals, we generated porcine fibroblasts with simultaneous knockouts of IGF2, ANPEP, CD163,and MSTN via Cas12i^(Max)in one step. Phenotypically stable pigs were created through somatic cell nuclear transfer technology. They exhibited improved growth performance and muscle quality. Furthermore, we simultaneously edited three genes in bovine fibroblasts. A knockout of MSTN and PRNP was created and the amino acid Q-G in CD18 was precisely substituted. Meanwhile, no off-target phenomenon was observed by sum-type analysis or off-target detection. These results verified the effectiveness of Cas12i^(Max)for gene editing in livestock animals and demonstrated the potential application of Cas12i^(Max)in the field of animal trait improvement for agricultural production.

关键词： Cas12i^(Max) gene editing livestock multiple trait improvement

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Distribution of antibiotic resistant bacteria in different soil types following manure application

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Soil Ecology Letters 2024年第2期6卷 137-148页

作者： Tingting Song Muhammad Fahad Sardar Xuerong Wang Binxu Li Zhuoyi Zhang Dimei Wu Changxiong Zhu Hongna Li College of Engineering Jilin Normal UniversitySiping136000China institute of Environment and Sustainable Development in agriculture Chinese Academy of Agricultural SciencesBeijing100081China Beijing General Station of animal husbandry Beijing100081China College of Environment Science and Engineering Hebei University of Science and TechnologyShijiazhuang050000China

ARB was investigated in different soil types following manure ***-manure induced more resistance of soil indigenous microbes in fluvo-aquic ***,Dyella,Ralstonia,and Bacillus were the key different *** control is an ef... 详细信息

关键词： chlortetracycline-resistant bacteria(CRB) soil types manure application fluvo-aquic soil LEfSe analysis

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Diet and monensin influence the temporal dynamics of the rumen microbiome in stocker and finishing cattle

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Journal of animal Science and Biotechnology 2024年第2期15卷 733-748页

作者： Jianmin Chai Caleb P.Weiss Paul A.Beck Wei Zhao Ying Li Jiangchao Zhao Guangdong Provincial Key Laboratory of animal Molecular Design and Precise Breeding College of Life Science and EngineeringFoshan UniversityFoshanChina Division of agriculture Department of Animal ScienceUniversity of ArkansasFayettevilleARUSA Department of animal and Food Sciences Oklahoma State UniversityStillwaterOKUSA institute of Feed Research of Chinese Academy of Agricultural Sciences Key Laboratory of Feed Biotechnology of the Ministry of Agriculture and Rural AffairsBeijing 100193China

Background Stocker cattle diet and management influence beef cattle performance during the finishing stage,but knowledge of the dynamics of the rumen microbiome associated with the host are lacking.A longitudinal study was conducted to determine how the feeding strategy from the stocker to the finishing stages of production affects the temporal dynamics of rumen *** the stocker phase,either dry hay or wheat pasture were provided,and three levels of monensin were *** calves were then transported to a feedlot and received similar finishing diets with or without *** microbial samples were collected on d 0,28,85 during the stocker stage(S0,S28 and S85)and d 0,14,28,56,30 d before slaughter and the end of the trial during the finishing stage(F0,F14,F28,F56,Pre-Ba,and Final).The V4 region of the bacterial 16S rRNA gene of 263 rumen samples was *** Higher alpha diversity,including the number of observed bacterial features and the Shannon index,was observed in the stocker phase compared to the finishing *** bacterial amplicon sequence variants(ASVs)differentiating different sampling time points were *** treatments during the stocker stage temporally impact the dynamics of rumen *** example,shared bacteria,including Bacteroidales(ASV19)and Streptococcus infantarius(ASV94),were significantly higher in hay rumen on S28,S85,and F0,while Bacteroidaceae(ASV11)and Limivicinus(ASV15)were more abundant in *** affected rumen microbial composition at a specific *** to feedlot significantly influenced microbiome structure and diversity in hay-fed *** taxa associated with body weight were classified,and core microbiotas interacted with each other during the *** In summary,the temporal dynamics of the rumen microbiome in cattle at the stocker and finishing stage are influenced by multiple factors of the feeding *** at the stocker phase may t

关键词： Beef cattle Diet Feedlot phase Monensin Next-generation sequencing Rumen microbiota Stocker

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Pectin Oligosaccharides Glycosylation Modification Reduced the Sensitization of Shrimp Tropomyosin by Regulating Cytokines Expression and Th1/Th2 Immune Balance

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Food Science and Human Wellness 2024年

作者： Mengya Zhao Chunyu Wu Jing Liu Xinian Li Zhenpeng Gao Xin Yang Di Liu Fangyu Long College of Food Science and Engineering， Northwest A&F University institute of animal husbandry and Veterinary Medicine， Guizhou Academy of Agricultural Sciences College of animal Science and Technology， Northwest A&F University

Tropomyosin (TM) is the predominant allergenic protein in shrimp， which has induced IgE-mediated food allergy reactions. In this study， Lit v 1 was purified from Penaeus vannamei muscles， which were glycosylated by pectic oligosaccharides. The results showed that Di-Galacturonic acid (DGA) and galacturonic acid (GA) induced the unfolding of the primary protein structure of TM， and changed alpha-helical structure， and IgE binding capacity. In addition， compared with TM-sensitized BALB/c mice， galacturonic acid-modified TM (GA-TM) and Di-Galacturonic acid-modified TM (DGA-TM) were insufficient to stimulate sensitization， and significantly reduced the hypersecretion of IgE， IgG1， HIS， and IL-4， up-regulated IgG2a and IFN-γ levels to improve imbalanced Th1/Th2， Treg/Th17 immunity， and promoted mRNA expression of tight junction proteins. Together， this study confirmed that glycosylation modification alleviated sensitization by altering TM structure， reducing IgE binding allergic inflammatory response， and regulating cytokine immune balance. Overall， these results indicated that glycosylation modification was a promising method for decreasing the allergenic reactivity of allergic proteins.

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