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Biomedical and Environmental Sciences 2024年第3期37卷 325-330页

作者： MU Hong Yun ZHOU Hong Lei JING Zheng LU Wei ZHANG Jian Wei Jiangsu Agri-animal husbandry Vocational co.lege Taizhou 225300JiangsuChina Boehringer Ingelheim animal Health(Shanghai)co. LTD.Shanghai 200040China

Feline calicivirus(FCV)was a highly prevalent RNA virus causing upper respiratory tract infections in cats through the mouth and nose around the world,result in the death of cats especially under 1 year old with upper respiratory tract disease(URTD)and virulent systemic disease(FCV-VSD)[1].Infected cats usually presented with mouth ulcers,salivation and ***,both reco.ered cats and asymptomatic carriers can still carry and spread the FCV virus for extended periods of time,co.tributing to the potential for *** presented a significant threat to the health and lives of cats,and rare wildlife and took a heavy financial loss on the pet industry,making the prevention and co.trol of the virus ***,rapid identification of FCV in clinical samples was necessary to prevent the spread of FCV and avoid financial loss.

关键词： prevention respiratory Probe

Phytogenic feed additives as natural antibiotic alternatives in animal health and production: A review of the literature of the last decade

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animal Nutrition 2024年第2期17卷 244-264页

作者： Jing Wang Lufang Deng Meixia Chen Yuyan Che Lu Li Longlong Zhu Guoshun Chen Tao Feng Institute of animal husbandry and Veterinary Medicine Beijing Academy of Agriculture and Forestry Sciences Sino-US Joint Laboratory of animal Science Beijing Academy of Agriculture and Forestry Sciences Feed Branch of Beijing Sanyuan Breeding Technology co. Ltd. co.lege of animal Science and Technology Gansu Agricultural University co.lege of Life Science and Food Engineering Hebei University of Engineering co.lege of animal Science and Technology Henan University of Science and Technology

The use of antibiotics in animal production raises great public safety co.cerns; therefore, there is an urgent need for the development of substitutes for antibiotics. In recent decades, plant-derived feed additives have been widely investigated as antibiotic alternatives for use in animal health and production because they exert multiple biological functions and are less likely to induce resistance *** review summarizes the research history and classification of phytogenic feed additives and their main functions, potential modes of action, influencing factors, and potential negative effects. Further, we highlight the challenges in developing sustainable, safe, and affordable plant-derived antibiotic alternatives for use in livestock production.

关键词： Phytogenic feed additives Antibiotic alternatives Livestock animals Health Production

Trimethylamine oxide supplementation differentially regulates fat deposition in liver, longissimus dorsi muscle and adipose tissue of growing-finishing pigs

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animal Nutrition 2024年第2期17卷 25-35页

作者： Andong Zha Wanquan Li Jing Wang Ping Bai Ming Qi Peng Liao Bie Tan Yulong Yin Laboratory of animal Nutritional Physiology and Metabolic Process 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 Sciences University of Chinese Academy of Sciences co.lege of animal Science and Technology Hunan Agricultural University Yunnan Southwest agriculture and animal husbandry Group co. Ltd.

Trimethylamine oxide(TMAO) is a microbiota-derived metabolite, and numerous studies have shown that it co.ld regulate fat metabolism in humans and mice. However, few studies have focused on the effects of TMAO on fat deposition in growing-finishing pigs. This study aimed to investigate the effect of TMAO on fat deposition and intestinal microbiota in growing-finishing pigs. Sixteen growing pigs were randomly divided into 2 groups and fed with a basal diet with 0 or 1 g/kg TMAO for 149 d. The intestinal microbial profiles, fat deposition indexes, and fatty acid profiles were measured. These results showed that TMAO supplementation had a tendency to decrease lean body mass(P co.centration, and reduced alkaline phosphatase(ALP) co.centration in serum(P co.munity(P co.onic microbial co.munity. TMAO supplementation significantly increased acetate co.tent in the ileum, and Proteobacteria and Escherichia-Shigella were significantly enriched in the TMAO group(P co.tent, as well as the ratio of linoleic acid, n-6polyunsaturated fatty acids(PUFA), and PUFA in the liver(P co.trary, TMAO increased intramuscular fat co.tent of the longissimus dorsi muscle, whereas the C18:2n6c ratio was increased,and the n-6 PUFA:PUFA ratio was decreased(P co.position and acetate production, and regulated fat distribution and fatty acid co.position in growing-finishing pigs. These results

关键词： Growing-finishing pig Trimethylamine oxide Fat deposition Fatty acid co.position Intestinal microbiota

Insights into the mechanism of L-malic acid on drip loss of chicken meat under co.mercial co.ditions

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Journal of animal Science and Biotechnology 2024年第3期15卷 1312-1324页

作者： Haijun Sun Xue Yan Lu Wang Ruimin Zhu Meixia Chen Jingdong Yin Xin Zhang State Key Laboratory of animal Nutrition and Feeding College of Animal Science and TechnologyChina Agricultural UniversityBeijing 100193China New Hope Liuhe co. Ltd./Key Laboratory of Feed and Livestock and Poultry Products Quality&Safety ControlMinistry of AgricultureChengduSichuan 610023China Institute of animal husbandry and Veterinary Medicine Beijing Academy of Agriculture and Forestry SciencesBeijing 100097China

Background A deterioration in the meat quality of broilers has attracted much more attention in recent years.L-malic acid(MA)is evidenced to decrease meat drip loss in broilers,but the underlying molecular mechanisms are still ***’s also not sure whether the outputs obtained under experimental co.ditions can be obtained in a co.-mercial ***,we investigated the effects and mechanisms of dietary MA supplementation on chicken meat drip loss at large-scale *** Results showed that the growth performance and drip loss were improved by MA *** metabolome revealed that L-2-aminoadipic acid,β-aminoisobutyric acid,eico.apentaenoic acid,and nico.inamide,as well as amino acid metabolism pathways co.nected to the improvements of meat quality by MA *** transcriptome analysis further indicated that the effect of MA on drip loss was also related to the proper immune response,evidenced by the enhanced B cell receptor signaling pathway,NF-κB signaling pathway,TNF signaling pathway,and IL-17 signaling *** We provided evidence that MA decreased chicken meat drip loss under co.mercial *** and transcriptome revealed a co.prehensive understanding of the underlying ***,MA co.ld be used as a promising dietary supplement for enhancing the water-holding capacity of chicken meat.

关键词： Drip loss Immune response L-malic acid Meat quality Metabolome Transcriptome

Evaluating the performance of genomic selection on purebred population by inco.porating crossbred data in pigs

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Journal of Integrative agriculture 2024年第2期23卷 639-648页

作者： Jun Zhou Qing Lin Xueyan Feng Duanyang Ren Jinyan Teng Xibo Wu Dan Wu Xiaoke Zhang Xiaolong Yuan Zanmou Chen Jiaqi Li Zhe Zhang Hao Zhang co.lege of animal Science South China Agricultural University/State Key Laboratory of Swine and Poultry Breeding Industry/National Engineering Research Center for Breeding Swine IndustryGuangzhou 510642China Guangxi State Farms Yongxin animal husbandry Group co. Ltd.Nanning 530022China

Genomic selection(GS)has been widely used in livestock,which greatly accelerated the genetic progress of co.plex *** population size was one of the significant factors affecting the prediction accuracy,while it was limited by the purebred *** to directly co.bining two unco.related purebred populations to extend the reference population size,it might be more meaningful to inco.porate the co.related crossbreds into reference population for genomic *** this study,we simulated purebred offspring(PAS and PBS)and crossbred offspring(CAB)base on real genotype data of two base purebred populations(PA and PB),to evaluate the performance of genomic selection on purebred while inco.porating crossbred *** results showed that selecting key crossbred individuals via maximizing the expected genetic relationship(REL)was better than the other methods(individuals closet or farthest to the purebred population,CP/FP)in term of the prediction ***,the prediction accuracy of reference populations co.bining PA and CAB was significantly better only based on PA,which was similar to co.bine PA and ***,the rank co.relation between the multiple of the increased relationship(MIR)and reliability improvement was *** for individuals with low co.relation(co.(Pi,PA or B),the reliability improvement was significantly lower than other *** findings suggested that inco.porating crossbred into purebred population co.ld improve the performance of genetic prediction co.pared with using the purebred population *** genetic relationship between purebred and crossbred population is a key factor determining the increased reliability while inco.porating crossbred population in the genomic prediction on pure bred individuals.

关键词： pigs crossbred population genomic selection reference population co.struction relationship

Performance test of a half-feed peanut-cleaning picker suitable for clay hill areas in southern China

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International Journal of Agricultural and Biological Engineering 2024年第4期17卷 156-164页

作者： Shenying Wang Zhaoyan You Dawei Sun Qiang Xiao Qiaojun Luo Lin He Key Laboratory of Modern Agricultural Intelligent Equipment in South China Ministry of Agriculture and Rural AffairsGuangzhou 510630China Nanjing Institute of Agricultural Mechanization Ministry of Agriculture and Rural AffairsNanjing 210014China Key Laboratory of Agricultural Equipment for Hilly and Mountainous Areas in Southeastern China(co.co.struction by Ministry and Province) Ministry of Agriculture and Rural AffairsHangzhou 310021China Inner Mongolia Autonomous Region Agricultural and animal husbandry Technology Promotion Center Hohhot 010000China

To solve the problems of excessive soil lumps,broken branches and seedlings in pods and difficulty in removing impurities in the harvested pods of peanuts in the hilly areas of southern China,which is due to the high soil visco.ity and easy hardening,and to improve the soil removal effect of the peanut half-feed pod picker in hilly areas of China,this article designed a half-feed peanut-cleaning picker suitable for southern clay hilly areas and provided a detailed introduction to the overall structure,working principle,and adjustment methods of various operating *** field measurement experiments,the influencing factors and laws of soil removal performance indicators,such as the co.prehensive soil removal rate and POD drop rate,were *** results showed that the co.prehensive soil removal rate gradually increased with increasing soil patting frequency,soil patting amplitude,and picking roller speed,first increased and then decreased with increasing picking roller gap and gradually decreased with increasing soil patting plate gap and clamping co.veyor chain *** co.prehensive soil removal rate of the soil patting plate using the opposite patting method was greater than that of the swinging patting *** soil removal pod drop rate increased gradually with increasing soil patting frequency and amplitude and decreased with increasing soil patting plate gap and clamping co.veyor chain *** soil removal pod drop rate of the soil patting plate using swing patting was lower than that using the opposite patting *** speed and gap of the picking roller had no effect on the soil removal pod drop *** frequency,amplitude,form,and gap of the soil patting plate had extremely significant impacts on the rate of decrease in the number of soil removal pod drop *** clamping co.veyor chain speed had a significant impact,while the speed and gap of the picking roller had no significant *** influence of all factors on the co.prehens

关键词： peanut southern clay hilly areas picker co.prehensive soil removal rate soil removal pod drop rate

Artificial parasin I protein(API)supplementation improves growth performance and intestinal health in weaned piglets challenged with enterotoxigenic Escherichiaco.i

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animal Nutrition 2024年第3期18卷 154-165页

作者： co.gzhi Zou Wanxin Zhao Shenggang Yin Xiaoyu Xiang Jiayong Tang Gang Jia Lianqiang Che Guangmang Liu Xiaoling Chen Gang Tian Jingyi Cai Bo Kang Hua Zhao Key Laboratory for animal Disease-Resistance Nutrition of Ministry of Education Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Agriculture and Rural AffairsKey Laboratory for Animal Disease-Resistance Nutrition of Sichuan ProvinceAnimal Nutrition InstituteSichuan Agricultural UniversityChengdu 611130China co.lege of animal Science and Technology Sichuan Agricultural UniversityChengdu 611130China

Diarrheas are co.mon risks faced by piglets during the weaning *** study investigated the alleviating effects of artificial parasin I protein(API)on growth performance and intestinal health of weaned pigs upon enterotoxigenic Escherichia co.i(ETEC)*** piglets were randomly divided into five groups and fed a basal diet(co.)or basal diet supplemented with API at 0,750,and 1500 mg/kg or antibiotics for 5 *** d 15 and 25,piglets were challenged with ETEC K88 except for the co. *** the ETEC challenge(d 1–14),dietary API supplementation improved growth performance,and 750 mg API increased(Pco.panied by the numerically increased malondialdehyde(MDA)levels in serum and ileum,the decreased(Pco.centrations in the cecal *** co.clusion,API supplementation alleviates the negative impact of ETEC on growth performance and intestinal health,thus can be applied as an antibiotic alternative in weane

关键词： Artificial parasin I protein Growth performance Intestinal barrier Diarrhea Weaned piglet

Significant genomic introgression from grey junglefowl(Gallus sonneratii)to domestic chickens(Gallus gallus domesticus)

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Journal of animal Science and Biotechnology 2024年第4期15卷 1482-1493页

作者： Xiurong Zhao Junhui Wen Xinye Zhang Jinxin Zhang Tao Zhu Huie Wang Weifang Yang Guomin Cao Wenjie Xiong Yong Liu Changqing Qu Zhonghua Ning Lujiang Qu National Engineering Laboratory for animal Breeding College of Animal Science and TechnologyChina Agricultural UniversityBeijing 100193China Key Laboratory of Protection and Utilization of Biological Resources in Tarim Basin Xinjiang Production and Construction CorpsTarim UniversityAlar 843300China Beijing Municipal General Station of animal Science Beijing 100107China animal husbandry station of Fangchenggang FangchenggangGuangxi Province 538001China animal Disease Prevention and co.trol Center of Fangchenggang FangchenggangGuangxi Province 538001China Beijing Agricultural Effect Poultry Industry co. Ltd.Beijing 101100China Engineering Technology Research Center of Anti‑aging Chinese Herbal Medicine of Anhui Province Fuyang Normal UniversityFuyangAnhui 236037China

Background Chicken is one of the most numerous and widely distributed species around the world,and many studies support the multiple ancestral origins of domestic *** research regarding the yellow skin phenotype in domestic chickens(regulated by Bco.)likely originating from the grey junglefowl serves as crucial evidence for demonstrating the multiple origins of ***,beyond the Bco. gene region,much remains unknown about the introgression from the grey junglefowl into domestic ***,in this study,based on wholegenome data of 149 samples including 4 species of wild junglefowls and 13 local domestic chicken breeds,we explored the introgression events from the grey junglefowl to domestic *** We successfully detected introgression regions besides Bco.,including two associated with growth trait(IGFBP2 and TKT),one associated with angiogenesis(TIMP3)and two members of the heat shock protein family(HSPB2 and CRYAB).Our findings suggest that the introgression from the grey junglefowl may impact the growth performance of ***,we revealed introgression events from grey junglefowl at the Bco. region in multiple domestic chicken breeds,indicating a phenomenon where the yellow skin phenotype likely underwent strong selection and was ***,our haplotype analysis shed light on Bco. introgression event from different sources of grey junglefowl into domestic chickens,possibly suggesting multiple genetic flows between the grey junglefowl and domestic *** In summary,our findings provide evidences of the grey junglefowl co.tributing to the genetic diversity of domestic chickens,laying the foundation for a deeper understanding of the genetic co.position within domestic chickens,and offering new perspectives on the impact of introgression on domestic chickens.

关键词： Bco. Domestic chickens Grey junglefowl Introgression

Staphyloco.cus aureus and biofilms:transmission, threats, and promising strategies in animal husbandry

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Journal of animal Science and Biotechnology 2024年第4期15卷 1408-1423页

作者： Mengda Song Qi Tang Yakun Ding Peng Tan Yucheng Zhang Tao Wang Chenlong Zhou Shenrui Xu Mengwei Lyu Yueyu Bai Xi Ma State Key Laboratory of animal Nutrition and Feeding College of Animal Science and TechnologyChina Agricultural UniversityBeijing 100193China Key Laboratory of Innovative Utilization of Local Cattle and Sheep Germplasm Resources(co.co.struction by Ministry and Province) Ministry of Agriculture and Rural AffairsSchool of Agricultural SciencesZhengzhou UniversityZhengzhou 450001China

Staphyloco.cus aureus(S. aureus) is a co.mon pathogenic bacterium in animal husbandry that can cause diseases such as mastitis, skin infections, arthritis, and other ailments. The formation of biofilms threatens and exacerbates S. aureus infection by allowing the bacteria to adhere to pathological areas and livestock product surfaces, thus triggering animal health crises and safety issues with livestock products. To solve this problem, in this review, we provide a brief overview of the harm caused by S. aureus and its biofilms on livestock and animal byproducts(meat and dairy products). We also describe the ways in which S. aureus spreads in animals and the threats it poses to the livestock industry. The processes and molecular mechanisms involved in biofilm formation are then explained. Finally, we discuss strategies for the removal and eradication of S. aureus and biofilms in animal husbandry, including the use of antimicrobial peptides, plant extracts, nanoparticles, phages, and antibodies. These strategies to reduce the spread of S. aureus in animal husbandry help maintain livestock health and improve productivity to ensure the eco.ogically sustainable development of animal husbandry and the safety of livestock products.

关键词： animal husbandry Biofilm Mastitis Mitigation strategies Staphyloco.cus aureus

co.inco.porating green manure and crop straw increases crop productivity and improves soil quality with low greenhouse-gas emissions in a crop rotation

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The Crop Journal 2024年第4期12卷 1233-1241页

作者： Na Zhao Xiquan Wang Jun Ma Xiaohong Li Jufeng Cao Jie Zhou Linmei Wu Peiyi Zhao Weidong Cao Bayannur Academy of Agricultural and animal Sciences Linhe 015400Inner MongoliaChina co.lege of Agronomy Inner Mongolia Agricultural UniversityHohhot 010019Inner MongoliaChina co.lege of agriculture Nanjing Agricultural UniversityNanjing 210095JiangsuChina Inner Mongolia Academy of Agricultural&animal husbandry Sciences Hohhot 010031Inner MongoliaChina State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China/Institute of Agricultural Resources and Regional Planning Chinese Academy of Agricultural SciencesBeijing 100081China

In a nine-year field experiment in a wheat-maize-sunflower cropping system in Hetao Irrigation Area,Inner Mongolia,China,organic amendments applied as straw,manure,green manure,and the co.bination of green manure and straw increased wheat and maize yield,soil aggregate stability,and soil microbial activity in co.parison with chemical fertilizer,without changing greenhouse gas emission intensity.

关键词： Green manure Straw Manure Soil organic carbon Soil quality Crop production Diversified cropping