Tropical animal health and production最新文献

{"title":"Epidemiology, molecular validation and characterization of gastrointestinal nematodes in sheep: one of the first integrated epidemiological and molecular assessments of gastrointestinal nematodes in sheep from the Northwestern Himalayan region of India.","authors":"Omer Mohi U Din Sofi, R Godara, R Katoch, A Yadav, Tanveer Ahmad Sofi","doi":"10.1007/s11250-026-05049-y","DOIUrl":"https://doi.org/10.1007/s11250-026-05049-y","url":null,"abstract":"<p><p>Gastrointestinal nematode (GIN) infections remain a major constraint to sheep production, particularly in ecologically diverse mountain systems. This study presents the first comprehensive molecular epidemiological investigation of GINs infecting sheep across the Northwestern Himalayan (NWH) region of India. Between November 2022 and October 2023, faecal samples were collected from 2,500 sheep across four altitudinal zones (< 1,000 m to > 3,000 m). The overall prevalence of GIN infection was 79.4% (1,985/2,500), with significant associations observed with altitude (χ² = 32.64, p < 0.001), age (χ² = 26.18, p < 0.001), sex (χ² = 11.47, p = 0.0007), and season (χ² = 54.92, p < 0.001). Prevalence declined with increasing altitude, was highest in lambs and females, and peaked during the monsoon season. Molecular identification using ITS-2 ribosomal DNA-based PCR and sequencing confirmed the presence of five strongylid species: Haemonchus contortus, Ostertagia trifurcata, Trichostrongylus axei, Cooperia oncophora, and Nematodirus battus. Sequence analysis showed high nucleotide similarity (≥ 98-100%) with global reference isolates. Phylogenetic analysis revealed well-supported, species-specific clustering irrespective of geographic origin. These findings provide critical baseline molecular data for the NWH region and highlight the influence of altitude and seasonality on GIN transmission, supporting the development of targeted and sustainable parasite control strategies in Himalayan sheep production systems. The integration of ITS-2-based molecular diagnostics with epidemiological analysis offers a robust foundation for designing region-specific, sustainable parasite control strategies in Himalayan smallholder systems.</p>","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"58 4","pages":""},"PeriodicalIF":1.7,"publicationDate":"2026-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147843396","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 fermented maize leaf meal substitution for rice polish on growth performance, blood parameters, and body composition of grass carp (Ctenopharyngodon idella).","authors":"Chandan Debnath","doi":"10.1007/s11250-026-05066-x","DOIUrl":"https://doi.org/10.1007/s11250-026-05066-x","url":null,"abstract":"<p><p>Tropical aquaculture systems require sustainable feed alternatives to address rising ingredient costs and utilize locally available agricultural residues. This study evaluated the effects of replacing rice polish with fermented maize leaf meal (MLM) on growth performance, blood parameters, and body composition of grass carp (Ctenopharyngodon idella). Six iso-nitrogenous diets (30% crude protein) were formulated where rice polish was replaced by MLM at 0% (T1), 5% (T2), 10% (T3), 15% (T4), 20% (T5), and 25% (T6). A total of 360 grass carp fingerlings (12.5 ± 0.5 g) were randomly distributed into 18 FRP tanks (500 L) at a stocking density of 20 fish per tank. The feeding trial lasted for 60 days with sampling conducted at 30-day intervals (day 30 and day 60). Results showed that fish fed diet T4 (15% MLM) exhibited significantly higher (p < 0.05) growth performance parameters including weight gain (38.5 ± 1.2 g), specific growth rate (2.8 ± 0.15%/day), and feed conversion ratio (1.65 ± 0.08). Blood parameters including total protein, albumin, and glucose levels remained within normal ranges across all treatments but were optimal in T4. Proximate composition analysis of fish carcass showed highest protein retention (18.2 ± 0.4%) in T4 group. Second-order polynomial regression analysis indicated a mathematically derived optimal MLM inclusion level of 15.8%, closely corroborating the superior performance observed at the nearest tested level of 15% (T4). The study demonstrates that fermented maize leaf meal can effectively replace up to 15% of rice polish in grass carp feed, providing tropical aquaculture producers with a practical approach to utilize agricultural by-products while maintaining optimal fish performance.</p>","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"58 4","pages":""},"PeriodicalIF":1.7,"publicationDate":"2026-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147843440","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":"Effects of a multi-nutrient feed additive on the growth performance, gut health, and antioxidant status of weaned piglets.","authors":"Kunfei Chen, Xiangchen Liu, Hongkui Wei, Siwen Jiang, Fenge Li","doi":"10.1007/s11250-026-05025-6","DOIUrl":"https://doi.org/10.1007/s11250-026-05025-6","url":null,"abstract":"","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"58 4","pages":""},"PeriodicalIF":1.7,"publicationDate":"2026-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147843363","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":"Green-synthesized ZnO nanoparticles utilizing Garcinia mangostana leaves enhance performance, carcass traits, meat quality, antioxidant status, and insuline-like growth factor-1 gene expression in broiler chickens.","authors":"Ridho Kurniawan Rusli, Robi Amizar, Dwi Margi Suci, Jamila Tuljannah Tanjung, Rizky Nadia, Cecep Hidayat, Zurmiati, Arif Darmawan, Sepri Reski, Mustofa Hilmi, Maria Endo Mahata, Asep Gunawan, Ahadiyah Yuniza, Rita Mutia","doi":"10.1007/s11250-026-05055-0","DOIUrl":"https://doi.org/10.1007/s11250-026-05055-0","url":null,"abstract":"<p><p>The study aimed to evaluate the impact of Zinc oxide nanoparticles (ZnO-NPs) on growth performance, carcass traits, meat color, antioxidant activity, and insuline-like growth factor-1 (IGF-1) gene expression in broiler chickens. This study used 200 Cobb500 broiler chicks aged two days. The observation was conducted for 5 weeks and used a completely randomized design with 4 treatments and 5 replications (10 chicks, each replicates). The treatment were: Control (basal diet); ZnO-NPs 50 (control + 50 mg Zn/kg); ZnO-NPs 75 (control + 75 mg Zn/kg); ZnO-NPs 100 (control + 100 mg Zn/kg). Performance, carcass traits, Zn content and antioxidant activity, meat color, and IGF-1 gene expression were observed. Supplementation of ZnO-NPs (d 1-14) significantly (P < 0.05) increased body weight and improved feed-to-gain ratio, whereas no effects (P > 0.05) were observed on average daily gain, average daily feed intake, or feed-to-gain ratio during days 15-35. Zinc oxide nanoparticles (ZnO-NPs) also significantly (P < 0.05) increased the hue (h*) value while reducing the lightness (L*) and redness (a*) of the breast. Supplementation enhanced Zn deposition and SOD enzyme activity, accompanied by a decrease in MDA concentration in the breast. However, ZnO-NPs did not affect (P > 0.05) carcass traits (percentage of breast, back, thigh, and drumstick meat), nor did the yellowness (b*) and chromaticity (c*) of breast meat and IGF-1 gene expression in the small intestine. Overall, the addition of ZnO-NPs at levels up to 100 mg Zn/kg in broiler chicken feed during the growth phase leads to optimal improvements in performance parameters. Mechanistically, ZnO-NPs function as redox modulators rather than direct antioxidants, eliciting dose-dependent pro-oxidant and antioxidant responses in broiler chickens. This modulatory effect contributes to enhanced antioxidant status, a tendency to support the IGF-1 gene expression profile, and a reduction in oxidative stress. Furthermore, breast meat derived from chickens supplemented with ZnO-NPs demonstrates potential as a functional food with added health benefits.</p>","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"58 4","pages":""},"PeriodicalIF":1.7,"publicationDate":"2026-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147843413","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 meta-analysis of prevalence of mastitis in dairy Cattle in Algeria.","authors":"Benhanifia Mokhtar, Berkouk Fedoua, Soltani Amina, Elouissi Abdelkader, Ntivuguruzwa Jean Bosco, Paramanandham Krishnamoorthy","doi":"10.1007/s11250-026-05031-8","DOIUrl":"https://doi.org/10.1007/s11250-026-05031-8","url":null,"abstract":"<p><p>Mastitis is a major cause of economic losses in the dairy industry. The aim of the present study was to examine the overall prevalence of mastitis in Algeria using a systematic review and meta-analysis. The search strategy was performed for relevant literature published from 2002 to 2023 in English and French language. The databases included were PubMed, ScienceDirect, GoogleScholar, Scopus, Springer, Algerian national database i.e., the Scientific Information Database (pnst.cerist.). A total of 4,698 dairy cows were included in the 20 eligible studies for this meta-analysis. The prevalence of mastitis was estimated at 41% [95% CI 32-49%, PI 10-81%]. Cochran's Q statistic was 405.5 (df = 19, p < 0.001), with I² = 95% and τ² = 0.0385, indicating substantial heterogeneity. The results indicated that there is high heterogeneity among studies for overall analysis. In conclusion, estimating prevalence of mastitis among cattle in Algeria, through meta-analysis (MAs) can provide adequate measures to control mastitis infection, Moreover, effective early diagnosis and proper medication may help our country to reduce incidence of mastitis and economic losses in dairy industry.</p>","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"58 4","pages":""},"PeriodicalIF":1.7,"publicationDate":"2026-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147843374","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":"Impact of nano-selenium supplementation on in vitro gas production, methane mitigation, and in vivo performance of Ossimi Egyptian Sheep.","authors":"Hamdy Mohamed Khattab, Ahmed Zaki El-Basiony, Salwa Mahmoud Hamdy, Mahmoud Hassan, Nasr Elsayed El-Bordeny, Osama Mohamed Darwesh, Gamal Ali Elsayaad, Raafat Mahmoud Mohamed Gomaa","doi":"10.1007/s11250-026-05037-2","DOIUrl":"https://doi.org/10.1007/s11250-026-05037-2","url":null,"abstract":"","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"58 4","pages":""},"PeriodicalIF":1.7,"publicationDate":"2026-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147782358","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":"Analysis and socioeconomic determinants of the livestock sector in Afghanistan.","authors":"Johar Ali, Ome Kalsoom Afridi, Sayed Ajmal Qurishi, Obaidullah Mahak","doi":"10.1007/s11250-026-05034-5","DOIUrl":"https://doi.org/10.1007/s11250-026-05034-5","url":null,"abstract":"","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"58 4","pages":""},"PeriodicalIF":1.7,"publicationDate":"2026-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147782364","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":"Influence of selenium nanoparticles, date pits, and their combination on growth performance and carcass traits of broiler chickens.","authors":"Niamat M El-Abd, Ragaa A Hamouda, Asmaa A Elgendy","doi":"10.1007/s11250-026-05021-w","DOIUrl":"https://doi.org/10.1007/s11250-026-05021-w","url":null,"abstract":"","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"58 4","pages":""},"PeriodicalIF":1.7,"publicationDate":"2026-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147782432","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":"Abortions, stillbirth, and neonatal deaths caused by Ureaplasma diversum in beef cattle in Uruguay.","authors":"Cintia R R Queiroz-Machado, Caroline da Silva Silveira, Federico Giannitti, Martín Fraga, María Laura Casaux, Marina Maurente Berón, Ludmila Slimovich, Raissa Moreira de Morais, Sofía Fernández-Ciganda, Mariano Carossino, Federico Cuadro, Rosalía Morales, Camila García Pintos, Rafael Martínez, Sol Andres, Mizael Machado, Alejo Menchaca, Franklin Riet-Correa","doi":"10.1007/s11250-026-04999-7","DOIUrl":"https://doi.org/10.1007/s11250-026-04999-7","url":null,"abstract":"","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"58 4","pages":""},"PeriodicalIF":1.7,"publicationDate":"2026-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147782378","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":"Dietary superworm oil as a feed additive: impacts on growth, serum biochemistry, nutrient utilization, and fatty acid composition in broiler chickens.","authors":"Sarzamin Khan, Ziaul Islam, Shah Zeb, Asad Sultan, Kamran Khan, Philip Yeboah, Rafi Ullah Khan, Amel Ayari-Akkari","doi":"10.1007/s11250-026-05023-8","DOIUrl":"https://doi.org/10.1007/s11250-026-05023-8","url":null,"abstract":"","PeriodicalId":23329,"journal":{"name":"Tropical animal health and production","volume":"58 4","pages":""},"PeriodicalIF":1.7,"publicationDate":"2026-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147782384","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}