Animal BiotechnologyPub Date : 2024-11-01Epub Date: 2024-03-25DOI: 10.1080/10495398.2024.2331640
Man Wang, Zongze He, Zhaolong Xiong, Hongwei Liu, Xiang Zhou, Jian He
{"title":"Effects of dietary supplementation of grape seed extract in comparison with excessive level of vitamin E on growth performance and antioxidant function of broilers.","authors":"Man Wang, Zongze He, Zhaolong Xiong, Hongwei Liu, Xiang Zhou, Jian He","doi":"10.1080/10495398.2024.2331640","DOIUrl":"10.1080/10495398.2024.2331640","url":null,"abstract":"<p><p>The present study was carried out to evaluate the effects of dietary vitamin E (VE) or grape seed extract (GSE) on the growth performance and antioxidant function of broilers. Two hundred sixteen broiler chicks were randomly assigned to 3 diets: diet supplemented with oxidized rice bran oil (CN group), CN group with 25 mg/kg VE or 100 mg/kg GSE. Dietary VE or GSE improved the growth performance, reverted the disturbed levels of liver antioxidant enzymes, and reduced liver damage of broilers fed oxidized rice bran oil. The mRNA data showed that supplementation of VE or GSE enhanced the antioxidant capacity of the broiler liver through activation of the Keap1-Nrf2/ARE signaling pathway. The results suggested that VE and GSE can increase weight gain, improve the oxidative status, and alleviate liver injury in broiler chicken fed oxidized rice bran oil.</p>","PeriodicalId":7836,"journal":{"name":"Animal Biotechnology","volume":"35 1","pages":"2331640"},"PeriodicalIF":3.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140206211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Animal BiotechnologyPub Date : 2024-11-01Epub Date: 2024-07-11DOI: 10.1080/10495398.2024.2371519
Ahmed E Kholif, Olurotimi A Olafadehan, Gouda A Gouda, Mahmoud Fahmy, Tarek A Morsy, Hajer Ammar, Hatem A Hamdon, Mireille Chahine
{"title":"Turmeric rhizomes reduced <i>in vitro</i> methane production and improved gas production and nutrient degradability.","authors":"Ahmed E Kholif, Olurotimi A Olafadehan, Gouda A Gouda, Mahmoud Fahmy, Tarek A Morsy, Hajer Ammar, Hatem A Hamdon, Mireille Chahine","doi":"10.1080/10495398.2024.2371519","DOIUrl":"https://doi.org/10.1080/10495398.2024.2371519","url":null,"abstract":"<p><p>The present study aimed to evaluate the effect of dry turmeric rhizomes on <i>in vitro</i> biogas production and diet fermentability. Turmeric rhizomes were included at gradually increased levels: 0, 0.5, 1, 1.5 and 2% of a diet containing per kg dr matter (DM): 500 g concentrate feed mixture, 400 g berseem hay and 100 g rice straw, and incubated for 48 h. Gas chromatography-mass spectrometry analysis showed that <i>ar</i>-turmerone, <i>α</i>-turmerone and <i>β</i>-turmerone were the major bioactive compounds in the rhizomes. Turmeric rhizomes increased (<i>p</i> < 0.01) asymptotic gas production (GP) and rate and lag of CH<sub>4</sub> production and decreased (<i>p</i> < 0.01) rate of GP, lag of GP, asymptotic CH<sub>4</sub> production and proportion of CH<sub>4</sub> production. Turmeric rhizome administration linearly increased (<i>p</i> < 0.01) DM and fiber degradability and concentrations of total short-chain fatty acids, acetic and propionic acids and ammonia-N and quadratically (<i>p</i> < 0.05) decreased fermentation pH. It is concluded that including up to 2% turmeric rhizomes improved <i>in vitro</i> ruminal fermentation and decreased CH<sub>4</sub> production.</p>","PeriodicalId":7836,"journal":{"name":"Animal Biotechnology","volume":"35 1","pages":"2371519"},"PeriodicalIF":1.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141589485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Animal BiotechnologyPub Date : 2024-11-01Epub Date: 2024-08-05DOI: 10.1080/10495398.2024.2379897
An Zongqi, Ana C Marshall, J M D R Jayawardana, Mike Weeks, Simon M Loveday, Warren McNabb, Nicolas Lopez-Villalobos
{"title":"Genome-wide association studies for citric and lactic acids in dairy sheep milk in a New Zealand flock.","authors":"An Zongqi, Ana C Marshall, J M D R Jayawardana, Mike Weeks, Simon M Loveday, Warren McNabb, Nicolas Lopez-Villalobos","doi":"10.1080/10495398.2024.2379897","DOIUrl":"https://doi.org/10.1080/10495398.2024.2379897","url":null,"abstract":"<p><p>The objectives of this study were to estimate genetic parameters for citric acid content (CA) and lactic acid content (LA) in sheep milk and to identify the associated candidate genes in a New Zealand dairy sheep flock. Records from 165 ewes were used. Heritability estimates based on pedigree records for CA and LA were 0.65 and 0.33, respectively. The genetic and phenotypic correlations between CA and LA were strong-moderate and negative. Estimates of genomic heritability for CA and LA were also high (0.85, 0.51) and the genomic correlation between CA and LA was strongly negative (-0.96 ± 0.11). No significant associations were found at the Bonferroni level. However, one intragenic SNP in C1QTNF1 (chromosome 11) was associated with CA, at the chromosomal significance threshold. Another SNP associated with CA was intergenic (chromosome 15). For LA, the most notable SNP was intragenic in CYTH1 (chromosome 11), the other two SNPs were intragenic in MGAT5B and TIMP2 (chromosome 11), and four SNPs were intergenic (chromosomes 1 and 24). The functions of candidate genes indicate that CA and LA could potentially be used as biomarkers for energy balance and clinical mastitis. Further research is recommended to validate the present results.</p>","PeriodicalId":7836,"journal":{"name":"Animal Biotechnology","volume":"35 1","pages":"2379897"},"PeriodicalIF":1.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141888210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of alfalfa supplementary change dietary non-fibrous carbohydrate (NFC) to neutral detergent fiber (NDF) ratio on rumen fermentation and microbial function in Gansu alpine fine wool sheep (<i>Ovis aries</i>).","authors":"Qian Chen, Yun-Feng Cui, Zhao-Xi Zhang, Fu-Cheng Jiang, Xiang-Yu Meng, Jin-Jin Li, Da-Yong Cui, Jian-Lei Jia","doi":"10.1080/10495398.2023.2262539","DOIUrl":"10.1080/10495398.2023.2262539","url":null,"abstract":"<p><p>Bodyweight loss and rumen microbial dysfunction of grazing sheep was a challenge for the sheep production industry during cold season, which were considered to correlated with under-roughage-feeding. Alfalfa is a good roughage supplementary for ruminants, which can improve grazing sheep bodyweight-loss and rumen microbial dysfunction during grass-withering period. This study evaluated the effects of alfalfa hay supplementary change dietary non-fibrous carbohydrate/neutral detergent fiber (NFC/NDF) ratios on rumen fermentation and microbial function of Gansu alpine fine wool sheep during extreme cold season. 120 ewes (3-4 yrs) with an average body weight of 28.71 ± 1.22 kg were allocated randomly into three treatments, and fed NFC/NDF of 1.92 (H group), 1.11 (M group), and 0.68 (L group), respectively. This study was conducted for 107 d, including 7 d of adaption to the diets. The rumen fermentation parameters and microbial characteristics were measured after the end of feeding trials. The results showed that the concentrations of sheep body weight, nitrogen components (Total-N, Soluble protein-N and Ammonia-N), blood biochemical indices (LDH, BUN and CHO) and ruminal volatile fatty acids (TVFA and propionate) significantly increased with an increase in the proportion of NFC/NDF ratios (<i>p</i> < .05), and the acetate and acetate/propionat ratio presented a contrary decreasing trend (<i>p</i> < .05). A total of 1018 OTUs were obtained with 97% consistency. Ruminococcus, Ruminococcaceae and Prevotella were observed as the predominant phyla in ruminal fluid microbiota. Higher NFC/NDF ratios with Alfalfa supplementary increased the richness and diversity of ruminal fluid microbiota, and decreased ruminal fluid microbiota beta-diversity. Using clusters of orthologous groups (COG), the ruminal fluid microbiota of alfalfa supplementary feeding showed low immune pathway and high carbohydrate metabolism pathway. In summary, the study suggested that there was an increasing tendency in dietary NFC/NDF ratio of 1.92 in body weight, ruminal fermentation, microbial community composition and fermentation characteristics through developing alfalfa supplementary system.</p>","PeriodicalId":7836,"journal":{"name":"Animal Biotechnology","volume":" ","pages":"2262539"},"PeriodicalIF":3.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41100866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Animal BiotechnologyPub Date : 2024-11-01Epub Date: 2023-09-28DOI: 10.1080/10495398.2023.2259436
Juanqing Qin, Liwen Qin, Fu Zhang, Xiaoyu Fan, Huayun Jin, Zhijian Du, Yukang Guo, Weiwei Liu, Qinghua Liu
{"title":"Effects of JUNCAO <i>Ganoderma lucidum</i> polysaccharide peptide on slaughter performance and intestinal health of Minxinan black rabbits.","authors":"Juanqing Qin, Liwen Qin, Fu Zhang, Xiaoyu Fan, Huayun Jin, Zhijian Du, Yukang Guo, Weiwei Liu, Qinghua Liu","doi":"10.1080/10495398.2023.2259436","DOIUrl":"10.1080/10495398.2023.2259436","url":null,"abstract":"<p><p>This experiment was conducted to investigate the effects of JUNCAO <i>Ganoderma lucidum</i> polysaccharide peptide (JCGLPP) on slaughter performance and intestinal health of Minxinan black rabbits, which aimed to provide the basis for the application of JCGLPP in meat rabbits. One hundred male weaned Minxinan black rabbits of (33 ± 2) d [(initial body mass (655.65 ± 25.90) g] were randomly divided into four groups with five replicates per group and five rabbits per replicate. The diets were supplemented with 0 (control group), 50 (group I), 100 (group II) and 150 mg·kg<sup>-1</sup> (group III) of JCGLPP, respectively. This experiment lasted for 56 days. The results are shown below: (1) The live weight before slaughter of groups I and III was significantly higher than that of control group (<i>p</i> < 0.05); The full net bore weight of group III was significantly higher than that of control group (<i>p</i> < 0.05). (2) pH value of group I was significantly higher than that of control group (<i>p</i> < 0.05); NH<sub>3</sub>-N content in experimental groups were significantly higher than that in control group(<i>p</i> < 0.05) while NH<sub>3</sub>-N content in group I was significantly higher than that in groups III and II (<i>p</i> < 0.05); The content of butyric acid in group II was significantly lower than that in control group (<i>p</i> < 0.05); There were no significant differences in acetic acid, isovaleric acid, isobutyric acid and propionic acid in experimental groups compared with control group (<i>p</i> > 0.05). (3) The Occludin content in duodenum, jejunum and ileum of groups I and II was significantly higher than that of control group (<i>p</i> < 0.05). (4) At the phylum level, Firmicutes and Bacteroidetes were the dominant phylum in each group. At the genus level, <i>norank_f__norank_o__Clostridia_UCG-014</i> in group II were significantly higher than those in control group (<i>p</i> < 0.05). In conclusion, although dietary JCGLPP supplementation could not improve slaughter performance of Minxinan black rabbits, it could improve cecal fermentation parameters and intestinal flora structure and composition of Minxinan black rabbits to a certain extent. Our results revealed that 100 mg·kg<sup>-1</sup> might be the optimal concentration obtained in dietary JCGLPP supplementation, which provided ideas and feasibility for drug combination.</p>","PeriodicalId":7836,"journal":{"name":"Animal Biotechnology","volume":" ","pages":"2259436"},"PeriodicalIF":3.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41101388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Animal BiotechnologyPub Date : 2024-11-01Epub Date: 2023-09-20DOI: 10.1080/10495398.2023.2258166
Aimin Zhou, Yi Ding, Xiaohui Zhang, Yugang Zhou, Yadong Liu, Tingjian Li, Long Xiao
{"title":"Whole-genome resequencing reveals new mutations in candidate genes for Beichuan-white goat prolificacya.","authors":"Aimin Zhou, Yi Ding, Xiaohui Zhang, Yugang Zhou, Yadong Liu, Tingjian Li, Long Xiao","doi":"10.1080/10495398.2023.2258166","DOIUrl":"10.1080/10495398.2023.2258166","url":null,"abstract":"<p><p>In this study, we evaluated the copy number variation in the genomes of two groups of Beichuan-white goat populations with large differences in litter size by <i>F</i><sub>ST</sub> method, and identified 1739 genes and 485 missense mutations in the genes subject to positive selection. Through functional enrichment, <i>ITGAV, LRP4, CDH23, TPRN, RYR2</i> and <i>CELSR1</i> genes, involved in <i>embryonic morphogenesis</i>, were essential for litter size trait, which received intensive attention. In addition, some mutation sites of these genes have been proposed (<i>ITGAV</i>: c.38C > T; <i>TPRN</i>: c.133A > T, c.1192A > G, c.1250A > C; <i>CELSR1</i>: c.7640T > C), whose allele frequencies were significantly changed in the high fecundity goat group. Besides, we found that new mutations at these sites altered the hydrophilicity and 3D structure of the protein. Candidate genes related to litter size in this study and their missense mutation sites were identified. These candidate genes are helpful to understand the genetic mechanism of fecundity in Beichuan white goat, and have important significance for future goat breeding.</p>","PeriodicalId":7836,"journal":{"name":"Animal Biotechnology","volume":" ","pages":"2258166"},"PeriodicalIF":3.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41105444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Exome-wide comparative analyses revealed differentiating genomic regions for performance traits in Indian native buffaloes.","authors":"Vishakha Uttam, Vikas Vohra, Supriya Chhotaray, Ameya Santhosh, Vikas Diwakar, Vaibhav Patel, Rajesh Kumar Gahlyan","doi":"10.1080/10495398.2023.2277376","DOIUrl":"10.1080/10495398.2023.2277376","url":null,"abstract":"<p><p>In India, 20 breeds of buffalo have been identified and registered, yet limited studies have been conducted to explore the performance potential of these breeds, especially in the Indian native breeds. This study is a maiden attempt to delineate the important variants and unique genes through exome sequencing for milk yield, milk composition, fertility, and adaptation traits in Indian local breeds of buffalo. In the present study, whole exome sequencing was performed on Chhattisgarhi (n = 3), Chilika (n = 4), Gojri (n = 3), and Murrah (n = 4) buffalo breeds and after stringent quality control, 4333, 6829, 4130, and 4854 InDels were revealed, respectively. Exome-wide F<sub>ST</sub> along 100-kb sliding windows detected 27, 98, 38, and 35 outlier windows in Chhattisgarhi, Chilika, Gojri, and Murrah, respectively. The comparative exome analysis of InDels and subsequent gene ontology revealed unique breed specific genes for milk yield (<i>CAMSAP3</i>), milk composition (<i>CLCN1, NUDT3</i>), fertility (<i>PTGER3</i>) and adaptation (<i>KCNA3, TH</i>) traits. Study provides insight into mechanism of how these breeds have evolved under natural selection, the impact of these events on their respective genomes, and their importance in maintaining purity of these breeds for the traits under study. Additionally, this result will underwrite to the genetic acquaintance of these breeds for breeding application, and in understanding of evolution of these Indian local breeds.</p>","PeriodicalId":7836,"journal":{"name":"Animal Biotechnology","volume":" ","pages":"2277376"},"PeriodicalIF":3.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71477252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Animal BiotechnologyPub Date : 2024-11-01Epub Date: 2023-10-23DOI: 10.1080/10495398.2023.2262537
Xian-Feng Wu, Yuan Liu, Ying-Gang Wang, Fu Zhang, Wen-Yang Li
{"title":"A novel 22-bp InDel within <i>FGF7</i> gene is significantly associated with growth traits in goat.","authors":"Xian-Feng Wu, Yuan Liu, Ying-Gang Wang, Fu Zhang, Wen-Yang Li","doi":"10.1080/10495398.2023.2262537","DOIUrl":"10.1080/10495398.2023.2262537","url":null,"abstract":"<p><p>Fibroblast growth factor 7 (FGF7) is involved in lipid metabolism, which is considered as a candidate gene with close relation with muscle development by eGWAs and RNA-Seq analyses. To date, limited research has been conducted on the relationship between <i>FGF7</i> gene and growth traits. The main objective of this work was to further investigate the association between novel InDel within <i>FGF7</i> gene and growth traits in goat. Herein, <i>FGF7</i> mRNA expression levels were investigated in various Fuqing goat tissues. We found that <i>FGF7</i> gene was expressed in six adult goat tissues with the highest mRNA levels in adipose tissue. This result suggested that <i>FGF7</i> gene might play a critical role in fat deposition. We also detected potential polymorphisms in Fuqing, Nubian and Jianyang Daer breeds. A 22-bp InDel polymorphism in <i>FGF7</i> gene was detected in 396 goats and the three genotypes were designated as II, ID, and DD. Correlation analysis revealed that InDel polymorphism was significantly associated with growth traits (<i>P</i> < 0.05). Goats with genotypes ID and/or II had superior growth traits compared to those with genotype DD. In summary, our findings suggested that the 22-bp InDel within <i>FGF7</i> gene could act as a molecular marker to improve the growth traits of goats in breeding programs.</p>","PeriodicalId":7836,"journal":{"name":"Animal Biotechnology","volume":" ","pages":"2262537"},"PeriodicalIF":1.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49688454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Animal BiotechnologyPub Date : 2024-11-01Epub Date: 2023-11-30DOI: 10.1080/10495398.2023.2286609
Chengli Liu, Pu Yang, Xiao Wang, Baiju Xiang, Guangxin E, Yongfu Huang
{"title":"Candidate circRNAs related to skeletal muscle development in Dazu black goats.","authors":"Chengli Liu, Pu Yang, Xiao Wang, Baiju Xiang, Guangxin E, Yongfu Huang","doi":"10.1080/10495398.2023.2286609","DOIUrl":"10.1080/10495398.2023.2286609","url":null,"abstract":"<p><p>Circular RNA (CircRNA), as a classical noncoding RNA, has been proven to regulate skeletal muscle development (SMD). However, the molecular genetic basis of circRNA regulation in muscle cells remains unclear. In this study, the expression patterns of circRNAs in the longissimus dorsi muscle at embryonic day 75 and postnatal day 1 in DBGs were investigated to identify the key circRNAs that play an important role in SMD in goats. A total of 140 significantly and differentially expressed circRNAs (DEcircRNAs) were identified among the groups at different developmental stages. Among the 116 host genes (HGs) of DEcircRNAs, 76 were significantly and differentially expressed, which was confirmed by previous RNA_seq data. Furthermore, the expression pattern of 10 DEcircRNAs with RT-qPCR was verified, which showed 80% concordance rate with that of RNA_seq datasets. Moreover, the authenticity of seven randomly selected DEcircRNAs was verified by PCR Sanger sequencing. Based on the functional annotation results, among the 76 significantly and differentially expressed HGs, 74 were enriched in 845 GO terms, whereas 35 were annotated to 85 KEGG pathways. The results of this study could provide a comprehensive understanding of the genetic basis of circRNAs involved in SMD and muscle growth.</p>","PeriodicalId":7836,"journal":{"name":"Animal Biotechnology","volume":" ","pages":"2286609"},"PeriodicalIF":3.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138457368","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A review of emerging technologies, nutritional practices, and management strategies to improve intramuscular fat composition in beef cattle.","authors":"Belete Kuraz Abebe, Jianfang Wang, Juntao Guo, Hongbao Wang, Anning Li, Linsen Zan","doi":"10.1080/10495398.2024.2388704","DOIUrl":"https://doi.org/10.1080/10495398.2024.2388704","url":null,"abstract":"<p><p>The flavour, tenderness and juiciness of the beef are all impacted by the composition of the intramuscular fat (IMF), which is a key determinant of beef quality. Thus, enhancing the IMF composition of beef cattle has become a major area of research. Consequently, the aim of this paper was to provide insight and synthesis into the emerging technologies, nutritional practices and management strategies to improve IMF composition in beef cattle. This review paper examined the current knowledge of management techniques and nutritional approaches relevant to cattle farming in the beef industry. It includes a thorough investigation of animal handling, weaning age, castration, breed selection, sex determination, environmental factors, grazing methods, slaughter weight and age. Additionally, it rigorously explored dietary energy levels and optimization of fatty acid profiles, as well as the use of feed additives and hormone implant techniques with their associated regulations. The paper also delved into emerging technologies that are shaping future beef production, such as genomic selection methods, genome editing techniques, epigenomic analyses, microbiome manipulation strategies, transcriptomic profiling approaches and metabolomics analyses. In conclusion, a holistic approach combining genomic, nutritional and management strategies is imperative for achieving targeted IMF content and ensuring high-quality beef production.</p>","PeriodicalId":7836,"journal":{"name":"Animal Biotechnology","volume":"35 1","pages":"2388704"},"PeriodicalIF":1.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141915946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}