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Flavored Vitamin–Mineral Supplementation via Water Improves the Performance of Newly Weaned Piglets 水加味维生素矿物质可提高新断奶仔猪生产性能。
IF 1.2 3区 农林科学
Animal Science Journal Pub Date : 2026-02-21 DOI: 10.1111/asj.70166
Pedro Henrique Inácio Gomes, Márvio Lobão Teixeira de Abreu, Claudia Cassimira Silva, Adsos Passos, Mauricio Prata, Mara da Silveira Benfato, Diego Mena Canata, Alejandra Gutierezz Riaño, Afonso Luna Miranda, Isabella Santos Correa, Beatriz Rodrigues Siqueira, Bruno Alexander Nunes Silva
{"title":"Flavored Vitamin–Mineral Supplementation via Water Improves the Performance of Newly Weaned Piglets","authors":"Pedro Henrique Inácio Gomes,&nbsp;Márvio Lobão Teixeira de Abreu,&nbsp;Claudia Cassimira Silva,&nbsp;Adsos Passos,&nbsp;Mauricio Prata,&nbsp;Mara da Silveira Benfato,&nbsp;Diego Mena Canata,&nbsp;Alejandra Gutierezz Riaño,&nbsp;Afonso Luna Miranda,&nbsp;Isabella Santos Correa,&nbsp;Beatriz Rodrigues Siqueira,&nbsp;Bruno Alexander Nunes Silva","doi":"10.1111/asj.70166","DOIUrl":"10.1111/asj.70166","url":null,"abstract":"<p>The aim was to evaluate the supplementation of weaned piglets using a water-soluble flavored vitamin–mineral mixture. Ninety weaned piglets were distributed in a randomized block design with three treatments: control (CON), no supplement during nursery; W5D, with supplementation for 5 days after weaning and another 5 days before the end of Phase 3 and beginning of Phase 4; and W10D, with supplementation during the first 10 days after weaning. The W10D showed higher daily weight gain (<i>p</i> = 0.047) in Phase 3 and higher water expenditure during Phase 3 and Phase 4 (<i>p</i> &lt; 0.05). The W5D and W10D reduced superoxide dismutase activity in erythrocytes and malondialdehyde concentration in plasma, indicating a positive effect on redox status. Behavioral assessment showed that W10D piglets spent more time on the feeder in the first 24 h after weaning compared with other groups (<i>p</i> = 0.045). Incidence of diarrhea was lower in the W5D and W10D treatments during the last phase (<i>p</i> = 0.002) and lower for the W10D treatment throughout the entire experimental period (<i>p</i> &lt; 0.001). In conclusion, supplementation of a flavored vitamin–mineral mixture via water during the first 10 days postweaning improves the performance of piglets, with beneficial effects on redox status, behavior, and a reduction in the incidence of diarrhea.</p>","PeriodicalId":7890,"journal":{"name":"Animal Science Journal","volume":"97 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12924087/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146257189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simulation Study on Multi-Trait Genomic Prediction Using Eigen Decomposition of Genomic Relationship Matrix: A Case Study for Japanese Black Cattle 基于基因组关系矩阵特征分解的多性状基因组预测模拟研究——以日本黑牛为例。
IF 1.2 3区 农林科学
Animal Science Journal Pub Date : 2026-02-17 DOI: 10.1111/asj.70159
Shinichiro Ogawa
{"title":"Simulation Study on Multi-Trait Genomic Prediction Using Eigen Decomposition of Genomic Relationship Matrix: A Case Study for Japanese Black Cattle","authors":"Shinichiro Ogawa","doi":"10.1111/asj.70159","DOIUrl":"10.1111/asj.70159","url":null,"abstract":"<div>\u0000 \u0000 <p>The performance of multi-trait genomic prediction was assessed by simulating phenotypic data with the publicly available information on the genomic relationship matrix for 9850 Japanese Black cattle utilizing eigen decomposition. Variance component estimation and genomic breeding value prediction were performed by analyzing simulated phenotypic data of two different traits with four simulation settings of varied heritability (0.1, 0.4, and 0.7), genetic correlation (0.6 and 0.95), and phenotypic correlation (0.4 and 0.8). A total of 1000, 3000, and 5000 animals were selected as training populations. The performance of the algorithm for proven and young was also examined using simulated and real phenotypic data. Core animals were chosen from the 9850 animals to minimize the genetic variance of non-core animals conditional on the core animals using the genomic relationship matrix. Five sets of core animals were provided, and those explaining 25%, 50%, 75%, 90%, and 99% of the genetic variance were first explained. The multi-trait model gave greater prediction accuracy than the single-trait model for both traits, and not only heritability and genetic correlation but phenotypic correlation affected the accuracy in the current settings. Core animals explaining 90% and 99% variance could yield results similar to those obtained by using the original genomic relationship matrix.</p>\u0000 </div>","PeriodicalId":7890,"journal":{"name":"Animal Science Journal","volume":"97 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146211953","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}
引用次数: 0
Evaluation of the Feeding Value of Dry-Crushed Corn Grain Treated Using a Feed Rice Grain-Crushing Machine in Lactating Cows 饲料碾米机处理干碎玉米粒对泌乳奶牛的饲用价值评价。
IF 1.2 3区 农林科学
Animal Science Journal Pub Date : 2026-02-15 DOI: 10.1111/asj.70163
Norio Sasayama, Takumi Sekoguchi, Yasunari Yamamoto
{"title":"Evaluation of the Feeding Value of Dry-Crushed Corn Grain Treated Using a Feed Rice Grain-Crushing Machine in Lactating Cows","authors":"Norio Sasayama,&nbsp;Takumi Sekoguchi,&nbsp;Yasunari Yamamoto","doi":"10.1111/asj.70163","DOIUrl":"10.1111/asj.70163","url":null,"abstract":"<div>\u0000 \u0000 <p>A feeding trial was conducted with lactating cows to evaluate the feed value of domestic dry-crushed corn grain. The corn grains were treated using a feed rice grain-crushing machine with a roll clearance of 0.2 mm. Six lactating cows were assigned to diets ensiled into a total mixed ration containing either steam-flaked (SF) or dry-crushed corn (DC). Group DC tended to have increased milk protein concentration and nitrogen secretion in milk, and decreased blood non-esterified fatty acid concentrations (<i>p</i> = 0.05, 0.06, and 0.08). Whereas, this group showed significantly higher dry matter intake per kg body weight, non-fiber carbohydrate, and starch digestibility (<i>p</i> = 0.04, 0.03, and &lt; 0.001). No significant differences were found between the treatments in terms of lactation performance, nitrogen balance, rumen fluid profile, or total tract digestibility, suggesting that in lactating cows, the feeding value of dry-crushed corn was equal to or greater than that of steam-flaked corn. This finding suggests that crushing is an effective and practical method for processing domestic corn grain in dairy diets and that dry-crushed domestic corn grain can serve as an effective alternative to imported steam-flaked corn, potentially enhancing nutrient utilization in lactating cows.</p>\u0000 </div>","PeriodicalId":7890,"journal":{"name":"Animal Science Journal","volume":"97 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146199566","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}
引用次数: 0
Effects of Dietary Marine Sulfated Polysaccharides Derived From Macroalgae on Intestinal Health of Nursery Pigs 饲粮中添加大型藻类海洋硫酸盐多糖对苗猪肠道健康的影响。
IF 1.2 3区 农林科学
Animal Science Journal Pub Date : 2026-02-15 DOI: 10.1111/asj.70158
Yi-Chi Cheng, Yesid R. Garavito-Duarte, Maria Garcia Suarez, Maria A. Rodríguez, Sung Woo Kim
{"title":"Effects of Dietary Marine Sulfated Polysaccharides Derived From Macroalgae on Intestinal Health of Nursery Pigs","authors":"Yi-Chi Cheng,&nbsp;Yesid R. Garavito-Duarte,&nbsp;Maria Garcia Suarez,&nbsp;Maria A. Rodríguez,&nbsp;Sung Woo Kim","doi":"10.1111/asj.70158","DOIUrl":"10.1111/asj.70158","url":null,"abstract":"<p>Post-weaning stress in pigs leads to intestinal inflammation and oxidative stress. Macroalgae has gained attention with anti-inflammatory and anti-oxidative properties to mitigate these negative impacts. This study aimed to evaluate the efficacy of sulfated polysaccharides extracted from marine macroalgae (<i>Ulva</i> spp. and <i>Solieria chordalis</i>) promoting intestinal health and growth performance in nursery pigs. Twenty-four nursery pigs at 21 days of age, with initial body weight (BW) of 6.5 ± 0.2 kg, were allotted to dietary treatments in a randomized complete block design, with sex and BW as blocks. Pigs were assigned to either a control diet or a diet supplemented with 0.2% mixed macroalgae. Growth performance was recorded by phase. At 56 days of age (day 35 of the study), pigs were euthanized to collect jejunal tissues and mucosa to evaluate intestinal health. Supplementation with 0.2% mixed macroalgae decreased (<i>p</i> &lt; 0.05) TNF-α, tended to decrease (<i>p =</i> 0.064) IL-8, and decreased (<i>p</i> &lt; 0.05) protein carbonyl in jejunal mucosa, indicating reduced intestinal inflammation and oxidative stress, suggesting a potential protective effect of macroalgae in jejunum. In conclusion, dietary inclusion of 0.2% mixed macroalgae may serve as a functional strategy to support intestinal health in nursery pigs under inflammatory stress.</p>","PeriodicalId":7890,"journal":{"name":"Animal Science Journal","volume":"97 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12906984/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146199593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acknowledgments to Reviewers 审稿人致谢
IF 1.2 3区 农林科学
Animal Science Journal Pub Date : 2026-02-01 DOI: 10.1111/asj.70157
{"title":"Acknowledgments to Reviewers","authors":"","doi":"10.1111/asj.70157","DOIUrl":"https://doi.org/10.1111/asj.70157","url":null,"abstract":"","PeriodicalId":7890,"journal":{"name":"Animal Science Journal","volume":"97 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146193371","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}
引用次数: 0
Effects of Pen Relocation at Weaning on Behavioral Changes and Stress in Japanese Black Calves 断奶时猪圈迁移对日本黑犊牛行为改变和应激的影响。
IF 1.2 3区 农林科学
Animal Science Journal Pub Date : 2026-01-29 DOI: 10.1111/asj.70149
Emi Yoshida, Namiko Kohama, Mitsuhiro Sakase, Moriyuki Fukushima, Noritoshi Kawate
{"title":"Effects of Pen Relocation at Weaning on Behavioral Changes and Stress in Japanese Black Calves","authors":"Emi Yoshida,&nbsp;Namiko Kohama,&nbsp;Mitsuhiro Sakase,&nbsp;Moriyuki Fukushima,&nbsp;Noritoshi Kawate","doi":"10.1111/asj.70149","DOIUrl":"10.1111/asj.70149","url":null,"abstract":"<div>\u0000 \u0000 <p>The effects of pen relocation at dam-calf separation on behavioral changes and stress were examined in Japanese Black calves. Male and female calves were randomly assigned at 4 months of age to one of two groups: a non-relocation group, in which the dam was moved to a separate pen while the calf remained in its original pen; and a relocation group, in which the calf was moved while the dam remained in place. Calves were observed for step counts per 24 h and vocalizing counts per 12 h and per hour, and for time spent feeding, lying, and ruminating over 12-h periods around weaning. Blood samples were collected for hematological analysis and serum cortisol assay just before and after weaning. Calves in the non-relocation group had significantly fewer steps and less vocalization than those in the relocation group after weaning. Postweaning lying, feeding, and ruminating times were significantly longer in the non-relocation group than in the relocation group. Neutrophil-to-lymphocyte ratio and serum cortisol concentrations were also significantly lower in the non-relocation group after weaning. These findings suggest that avoiding pen relocation of calves during weaning may alleviate behavioral disturbances and reduce stress associated with maternal separation in Japanese Black cattle.</p>\u0000 </div>","PeriodicalId":7890,"journal":{"name":"Animal Science Journal","volume":"97 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146083867","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}
引用次数: 0
Assessment of the Herd Management Effects on Mastitis Frequency in Austrian Dairy Farms 奥地利奶牛场牛群管理对乳腺炎发病率影响的评价。
IF 1.2 3区 农林科学
Animal Science Journal Pub Date : 2026-01-26 DOI: 10.1111/asj.70155
Muhammed Mert Sertkaya, Christa Egger-Danner, Thomas Wittek
{"title":"Assessment of the Herd Management Effects on Mastitis Frequency in Austrian Dairy Farms","authors":"Muhammed Mert Sertkaya,&nbsp;Christa Egger-Danner,&nbsp;Thomas Wittek","doi":"10.1111/asj.70155","DOIUrl":"10.1111/asj.70155","url":null,"abstract":"<p>Mastitis, an inflammation of mammary tissue caused by infection, physical injury, or chemical irritation, is one of the most economically significant diseases in the global dairy industry. Both acute and chronic forms of mastitis lead to an increase in somatic cell counts (SCCs) in milk and a significantly reduced milk yield. Farmers' knowledge and awareness of mastitis play a crucial role for the preventive and therapeutic measures to manage the disease. This study aims to assess the efficacy of mastitis control practices adopted by dairy farmers in Austria by a survey-based approach. Data on milk yield and milk components were obtained from the Austrian National Milk Recording System, whereas farm management practices were documented by direct surveys conducted with dairy farmers. The study found that farm management practices related to milking, udder health, hygiene management, disease control, and nutrition significantly impact milk yield and the frequency of SCC exceeding 200,000/mL. These findings highlight the critical influence of management strategies during the dry period, nutrition, and milking practices on both milk production and mastitis indicators. Based on these results, it is strongly recommended that farmers receive training on effective strategies to improve milk yield and control mastitis.</p>","PeriodicalId":7890,"journal":{"name":"Animal Science Journal","volume":"97 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/asj.70155","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146049946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Association of Metabolic Disease Occurrence on Milk Fatty Acid Composition and Rumination Time in Early Lactation Dairy Cows and Evaluation of Their Potential as Diagnostic Indicators 泌乳早期奶牛乳脂肪酸组成与反刍时间与代谢性疾病发生的关系及其作为诊断指标的潜力评价
IF 1.2 3区 农林科学
Animal Science Journal Pub Date : 2026-01-26 DOI: 10.1111/asj.70153
Noriaki Nagahaka, Eisuke Abe, Masaya Matamura, Hiroshi Hiraoka, Makoto Kondo
{"title":"Association of Metabolic Disease Occurrence on Milk Fatty Acid Composition and Rumination Time in Early Lactation Dairy Cows and Evaluation of Their Potential as Diagnostic Indicators","authors":"Noriaki Nagahaka,&nbsp;Eisuke Abe,&nbsp;Masaya Matamura,&nbsp;Hiroshi Hiraoka,&nbsp;Makoto Kondo","doi":"10.1111/asj.70153","DOIUrl":"10.1111/asj.70153","url":null,"abstract":"<p>This study investigated the relationship between metabolic disease, milk fatty acid composition, and rumination time in early lactation dairy cows and evaluated their utility as diagnostic indicators. Twenty-two Holstein dairy cows were monitored for 8 weeks postpartum, with weekly milk and blood sampling and continuous rumination monitoring. Thirteen cows developed subclinical or clinical metabolic disease. Compared to the healthy group, the disease group showed significantly lower de novo fatty acids (<i>p</i> &lt; 0.01) and higher preformed fatty acids (<i>p</i> &lt; 0.05) as a percentage of total milk fatty acids. De novo fatty acid content per unit of milk (g/100 g milk) tended to be lower in the disease group (<i>p</i> &lt; 0.10). Lying rumination time also tended to be lower in the disease group (<i>p</i> &lt; 0.10). Receiver operating characteristic analysis showed that de novo fatty acids, preformed fatty acids, and lying rumination time demonstrated higher diagnostic accuracy than serum nonesterified fatty acids. These results suggest that milk fatty acid composition and rumination behavior are useful screening tools for detecting metabolic diseases in early lactation dairy cows.</p>","PeriodicalId":7890,"journal":{"name":"Animal Science Journal","volume":"97 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/asj.70153","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146049961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of Milk Yield, Blood β-Hydroxybutyrate Concentrations, and Parity on Oxidative Stress and Antioxidants in Uterine Flush Fluid During the Early Postpartum Period in Lactating Holstein Friesian Dairy Cows 产奶量、血液β-羟基丁酸浓度和胎次对哺乳期荷斯坦奶牛产后早期子宫冲洗液氧化应激和抗氧化剂的影响
IF 1.2 3区 农林科学
Animal Science Journal Pub Date : 2026-01-26 DOI: 10.1111/asj.70156
Yujiro Hagita, Ryotaro Miura, Koumei Shirasuna, Tsuyoshi Tajima, Kazuhiro Bandai, Tadaharu Ajito, Hirotaka Matsumoto
{"title":"Effects of Milk Yield, Blood β-Hydroxybutyrate Concentrations, and Parity on Oxidative Stress and Antioxidants in Uterine Flush Fluid During the Early Postpartum Period in Lactating Holstein Friesian Dairy Cows","authors":"Yujiro Hagita,&nbsp;Ryotaro Miura,&nbsp;Koumei Shirasuna,&nbsp;Tsuyoshi Tajima,&nbsp;Kazuhiro Bandai,&nbsp;Tadaharu Ajito,&nbsp;Hirotaka Matsumoto","doi":"10.1111/asj.70156","DOIUrl":"10.1111/asj.70156","url":null,"abstract":"<div>\u0000 \u0000 <p>The high lactation performance or parity in dairy cows may affect intrauterine oxidative stress (OS) status. This study aimed to investigate the effects of milk yield, blood β-hydroxybutyrate (BHBA) concentrations, and parity on oxidative stress (diacron-reactive oxygen metabolites [d-ROMs]) or antioxidant activity (biological antioxidant potential [BAP]) in the uterine flush fluid of lactating Holstein Friesian dairy cows. Uterine flush fluid samples were collected at 4, 5, 6, and 8 weeks postpartum (<i>n</i> = 43), and d-ROMs and BAP were measured. d-ROMs, BAP, and oxidative stress index (OSI) were investigated in relation to the correlation between milk yield and BHBA concentrations. Cows were classified into primiparous cow groups (P group, <i>n</i> = 11), biparous cow group (B group, <i>n</i> = 5), and the third or more calving groups (M group, <i>n</i> = 27); d-ROMs, BAP, and OSI changes were evaluated across the groups. No significant correlations were noted between milk yield, blood BHBA concentrations, and d-ROMs, BAP, or OSI. The M group exhibited higher d-ROMs and OSI than the P group at 5 weeks, and the M group had a higher OSI than the B group at 6 weeks. Therefore, parity may influence uterine OS and antioxidant activity.</p>\u0000 </div>","PeriodicalId":7890,"journal":{"name":"Animal Science Journal","volume":"97 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146049959","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}
引用次数: 0
Growth Performance and Plasma Metabolites of Growing Goats Grazing in Abandoned Paddy Fields for Meat Production 废水田放养肉用生长山羊的生长性能和血浆代谢产物
IF 1.2 3区 农林科学
Animal Science Journal Pub Date : 2026-01-23 DOI: 10.1111/asj.70152
Nthanda Chimwemwe Amini, Taketo Obitsu, Toshihisa Sugino, Shogo Shinde
{"title":"Growth Performance and Plasma Metabolites of Growing Goats Grazing in Abandoned Paddy Fields for Meat Production","authors":"Nthanda Chimwemwe Amini,&nbsp;Taketo Obitsu,&nbsp;Toshihisa Sugino,&nbsp;Shogo Shinde","doi":"10.1111/asj.70152","DOIUrl":"10.1111/asj.70152","url":null,"abstract":"<div>\u0000 \u0000 <p>This study aimed to compare the growth of goats grazed in abandoned paddy fields with those raised in confined systems for meat production and to clarify the relationship between plasma metabolites including phytol derivatives and botanical conditions of the field. Eight Saanen goats at 4 months of age were allocated to the grazing and confined groups. Goats in the grazing group were grazed in an abandoned field with a concentrate supplement at 1.2% body weight (BW) from the end of May to early November. Grass silage and concentrate supplement at 1.0% BW were provided to the confined goats. <i>Imperata cylindrica</i> and <i>Boehmeria nivea</i> were the dominant plants in the grazing field. Plant biomass and its utilization reached a maximum in August and then decreased thereafter. Although the BW of goats in both groups was almost comparable until the end of September, the grazing goats showed a lower final BW than those in the confined group. Plasma concentrations of urea, total cholesterol, nonesterified fatty acids, lactate, amino acids, and phytanic acid in grazing goats fluctuated throughout the experimental period. These plasma metabolites can be used to monitor the nutritional condition of goats and botanical conditions of grazing fields.</p>\u0000 </div>","PeriodicalId":7890,"journal":{"name":"Animal Science Journal","volume":"97 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146040313","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}
引用次数: 0
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