Open Veterinary Journal最新文献

{"title":"Occurrence of <i>Anisakis</i> spp. in fish and fish products in Egyptian markets.","authors":"Mona Mohammed I Abdel Rahman, Noha B Elbarbary, Wageh Sobhy Darwish, Rehab E Mohamed, Elham Elsayed Abo-Almagd, Nafissa A Mustafa, Elshimaa A A Nasr","doi":"10.5455/OVJ.2025.v15.i6.45","DOIUrl":"10.5455/OVJ.2025.v15.i6.45","url":null,"abstract":"<p><strong>Background: </strong>An abundance of vitamins, minerals, and vital amino acids can be found in fish. The parasitic zoonotic disease anisakiasis is caused by ingesting the third larval stage of <i>Anisakis spp</i>., which is carried by nematodes called anisakids. Serious health problems, such as abdominal pain, nausea, vomiting, and allergic reactions that could approach anaphylactic level, are brought to the human body by ingesting undercooked fish, where this parasite is present.</p><p><strong>Aim: </strong>Raw herrings, smoked herrings, raw sardines, salted sardines, raw mackerel, and raw saurus were all tested for the presence of Anisakis larvae.</p><p><strong>Methods: </strong>Fish samples were purchased from Sharkia Governorate, Egypt, with half of the samples from all species being collected in the spring and the other half being collected in the autumn. Parasitic examination of fish was done morphologically and confirmed using PCR.</p><p><strong>Results: </strong>The detection rates of Anisakis larvae in raw herrings, smoked herrings, raw sardine, salted sardine, raw mackerel, and raw saurus fish were 40%, 25%, 15%, 0%, 25%, and 10%, respectively. No muscle samples were found to be infested with <i>Anisakis</i> spp. Based on the findings, it was discovered that the fish that were sampled in spring had a higher infestation rate with Anisakis larvae than that collected in autumn. The hazards associated with Anisakis larvae were further discussed.</p><p><strong>Conclusion: </strong>The examined fish species in the present study were found to be infested with Anisakis larvae at variable rates except for salted sardine. Therefore, efficient cooking of fish before serving to human is highly recommended.</p>","PeriodicalId":19531,"journal":{"name":"Open Veterinary Journal","volume":"15 6","pages":"2774-2781"},"PeriodicalIF":1.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12451118/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145131649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Phenotypic characterization of the Creole goat in the Southern Highlands of Peru: A first step toward the sustainable use of a forgotten zoogenetic resource.","authors":"Emmanuel Alexander Sessarego, David Godoy-Padilla, Yolvi Lopez Mendoza, Juancarlos Cruz-Luis","doi":"10.5455/OVJ.2025.v15.i6.9","DOIUrl":"10.5455/OVJ.2025.v15.i6.9","url":null,"abstract":"<p><strong>Background: </strong>Five hundred years ago, goats were introduced to Peru, and since then, they have adapted to different climatic conditions, giving rise to the Creole goat, characterized by showing greater rusticity and better quality in both milk and meat than specialized breeds.</p><p><strong>Aim: </strong>This study aimed to describe the phenotype of the Creole goat in the Highlands of Chincha province, Ica.</p><p><strong>Methods: </strong>A total of 146 females aged >2 years without signs of crossbreeding with specialized breeds from the districts of San Juan de Yanac, San Pedro de Huacarpana, and Chavin were evaluated. Six phaneroptic characteristics, nine morphometric characteristics, and nine zoometric indices were registered. Tables and bar graphs were prepared. The chi-square test was performed to determine the association between districts and phaneroptic variables, ANOVA to identify differences between districts, correlation coefficients to evaluate morphostructural harmonicity, and multiple regression analysis to predict the live weight of animals.</p><p><strong>Results: </strong>Of the goats, 61.6% had a spotted coat, 59.6% had no beard, 75.3% had horns, 57.5% had parallel teats, 90.4% had no wattles, and 80.8% had the correct number of teats, showing an association between district and absence/ presence of beard (<i>p</i> = 0.001). All morphometric parameters and zoometric indices were homogeneous within each district, with differences between districts (<i>p</i> < 0.05).</p><p><strong>Conclusion: </strong>The Creole goat of the high Andean area of Chincha is characterized by presenting a high morphostructural harmony, being medium to large in size, brevilineal, convexilinear and having a productive aptitude with a tendency to double purpose.</p>","PeriodicalId":19531,"journal":{"name":"Open Veterinary Journal","volume":"15 6","pages":"2365-2373"},"PeriodicalIF":1.0,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12451117/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145131354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multisystemic aspergillosis with unusual vertebral osteomyelitis in a turkey flock in Bordj Bou Arreridj Province, Algeria.","authors":"Nor El Houda Belalmi, Nassim Sid, Tahar Sedrati, Soraya Ouhida, Omar Bennoune, Özlem Özmen","doi":"10.5455/OVJ.2025.v15.i5.16","DOIUrl":"10.5455/OVJ.2025.v15.i5.16","url":null,"abstract":"<p><strong>Background: </strong>Avian aspergillosis is primarily a respiratory disease that can spread to other organs, resulting in systemic aspergillosis.</p><p><strong>Aim: </strong>This report describes the clinical and pathological features of multisystemic aspergillosis caused by <i>Aspergillus fumigatus</i> in a meat turkey flock, including an unusual case of vertebral <i>Aspergillus</i> osteomyelitis.</p><p><strong>Methods: </strong>Five affected turkeys were necropsied from a flock size of 1,000 birds. Gross lesions were recorded, and samples from affected organs were sampled for histopathological examination. Tissue sections were stained with hematoxylin and eosin and periodic acid-Schiff (PAS). Microscopic examination of morphological features was performed to identify the causative agent isolated from fungal cultures on Sabouraud Dextrose Agar (SDA).</p><p><strong>Results: </strong>The affected turkeys exhibited symptoms such as respiratory distress, open-beak breathing, prostration, cyanosis, lethargy, anorexia, and weight loss. Postmortem examinations revealed whitish-yellow caseous nodules in multiple organs, including the lungs, air sacs, thoracic vertebrae, heart, liver, pancreas, spleen, peritoneum, small intestine, proventriculus, gizzard, and kidneys. Histopathological analysis showed granulomas with a necrotic core surrounded by lymphocytes, plasma cells, macrophages, and large multinucleated foreign-body giant cells. PAS staining revealed abundant fungal hyphae within the necrotic center. Fungal culture on SDA and subsequent morphological identification confirmed the presence of <i>A. fumigatus</i>.</p><p><strong>Conclusion: </strong>To our knowledge, this is the first documented case of thoracic vertebral aspergillosis in turkeys. Future studies are needed to assess the prevalence of this mycosis in Algerian turkey flocks.</p>","PeriodicalId":19531,"journal":{"name":"Open Veterinary Journal","volume":"15 5","pages":"2009-2015"},"PeriodicalIF":0.9,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12184441/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144485318","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A collaborative regional approach for disease control in Southeast Asia.","authors":"Krishna Prasad Acharya, Sarita Phuyal","doi":"10.5455/OVJ.2025.v15.i5.2","DOIUrl":"10.5455/OVJ.2025.v15.i5.2","url":null,"abstract":"","PeriodicalId":19531,"journal":{"name":"Open Veterinary Journal","volume":"15 5","pages":"1865"},"PeriodicalIF":0.9,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12184454/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144485320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ameliorative effect of citicoline on cyclophosphamide-induced lung injury.","authors":"Rania Salah, Gehad El-Sayed, El-Said El-Sherbini, Mohamed El-Adl","doi":"10.5455/OVJ.2025.v15.i5.39","DOIUrl":"10.5455/OVJ.2025.v15.i5.39","url":null,"abstract":"<p><strong>Background: </strong>Cyclophosphamide (CP) is known to cause pulmonary injury through free radical production and proinflammatory cytokines activation. Lung damage is associated with significant mortality, primarily due to the development of severe inflammation and pulmonary edema. On the other hand, citicoline, a key intermediate in the phosphatidylcholine biosynthesis pathway, has neurovascular protective and reparative properties. Numerous studies have highlighted the potential antioxidant and antiinflammatory effects of this agent in the context of various pathological conditions.</p><p><strong>Aim: </strong>Our study aimed to explore the potential protective effects of citicoline against oxidative stress, inflammation, and tissue damage caused by CP in an experimental model.</p><p><strong>Methods: </strong>Rats were given 200 mg/kg of CP as a single dose, either alone or in combination with citicoline (500 or 250 mg/kg), administered orally once daily for 14 days, beginning 7 days prior to CP administration. On the final day of the experiment, all animals were euthanized, and lung tissues were collected for further analysis.</p><p><strong>Results: </strong>CP administration led to a significant elevation in the lung-to-body weight ratio, inflammatory cell infiltration, and elevated levels of lactate dehydrogenase, total protein, nuclear factor kappa B, Interleukin-1β, NOD-like receptor protein 3, and caspase-1 in bronchoalveolar lavage fluid. Furthermore, CP treatment increased the concentrations of malondialdehyde and nitrate/nitrite and reduced glutathione levels in the lungs. Additionally, mRNA of Interleukin 6 and tumor necrosis factor-α levels were significantly elevated. These biochemical alterations were corroborated by histopathological findings, which revealed significant lung tissue damage. However, treatment with citicoline significantly reduced the pulmonary pathological changes induced by CP.</p><p><strong>Conclusion: </strong>These findings imply that citicoline's antiinflammatory and antioxidant properties provide protection against CP-induced lung damage.</p>","PeriodicalId":19531,"journal":{"name":"Open Veterinary Journal","volume":"15 5","pages":"2218-2229"},"PeriodicalIF":0.9,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12184473/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144485323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Biochemical markers of cell death: Forensic implications for differentiating primary and secondary hypothermia.","authors":"Emina Dervišević, Aida Bešić, Hajrudin Spahović, Ekrema Mujarić, Nedim Šuta, Muamer Dervišević, Edina Lazović, Aida Selmanagić","doi":"10.5455/OVJ.2025.v15.i5.33","DOIUrl":"10.5455/OVJ.2025.v15.i5.33","url":null,"abstract":"<p><strong>Background: </strong>Primary hypothermia occurs when the body is exposed to extremely low temperatures in an environment with no underlying health conditions. Secondary hypothermia, on the other hand, results from disruptions in thermoregulation due to diseases, trauma, surgery, drugs, alcohol, or infections. Postmortem biochemistry has become a crucial factor in forensic examinations, offering valuable apprehension into tissue of and organ dysfunction associated with the process of dying.</p><p><strong>Aim: </strong>This research aims to explore various biochemical markers and their significance in distinguishing primary from secondary hypothermia.</p><p><strong>Methods: </strong>This study involved 21 Wistar rats, which were separated into three experimental groups: CG (<i>n</i> = 7), which were exposed only to hypothermic conditions; AHG (<i>n</i> = 7); and BHG (<i>n</i> = 7). We tested these parameters in each rat: glucose, urea, creatinine, blood urea nitrogen to creatinine ratio, phosphorus, calcium, sodium, potassium, sodium to potassium ratio, chloride, and calculated osmolality.</p><p><strong>Results: </strong>Distinct biochemical differences were noted between primary and secondary hypothermia. Glucose and creatinine levels exhibited significant variations (<i>p</i> < 0.001). Urea concentrations also manifested notable differences between the groups (<i>p</i> < 0.001). Phosphorus levels demonstrated significant differences (<i>p</i> = 0.004), with post hoc analyses revealing significant contrasts between the AHG and BHG (<i>p</i> = 0.014) and between the BHG and CG (<i>p</i> = 0.014). Potassium levels and the sodium-to-potassium ratio differed significantly (<i>p</i> < 0.001). Osmolality also varied significantly across experimental groups (<i>p</i> < 0.001), with post hoc tests confirming significant differences between the AHG and CG (<i>p</i> = 0.013) and between the BHG and CG (<i>p</i> = 0.002).</p><p><strong>Conclusion: </strong>The calculated osmolality exhibited significant variation among the different groups, indicating a notable impact of the substances on the biochemical profile related to hypothermia. This study focused on the effectiveness of biochemical markers in distinguishing primary hypothermia from secondary hypothermia.</p>","PeriodicalId":19531,"journal":{"name":"Open Veterinary Journal","volume":"15 5","pages":"2149-2159"},"PeriodicalIF":0.9,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12184468/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144485338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical cases of contagious caprine pleuropneumonia in sheep: Retrospective clinical, sonographic, and pathological investigations.","authors":"Mohamed Tharwat, Abdulrahman A Alkheraif, Haytham Ali","doi":"10.5455/OVJ.2025.v15.i5.9","DOIUrl":"10.5455/OVJ.2025.v15.i5.9","url":null,"abstract":"<p><strong>Background: </strong>Contagious caprine pleuropneumonia (CCPP) is a highly contagious respiratory disease caused by <i>Mycoplasma capricolum</i> subsp. <i>capripneumoniae</i>. It affects goats, sheep, and wild ruminants.</p><p><strong>Aim: </strong>This study investigated the clinical, sonographic, and pathological findings in sheep with serologically confirmed CCPP, highlighting the potential of ultrasound as a diagnostic tool.</p><p><strong>Methods: </strong>Thirty-four sheep were serologically confirmed to have CCPP by latex agglutination test (LAT) and underwent clinical examination and sonographic imaging of the lungs, pleura, urinary and digestive systems, peritoneum, and liver. Pleural effusion was aspirated under ultrasound guidance to alleviate dyspnea. Necropsy and histopathological examination were performed to correlate imaging findings with pathological changes.</p><p><strong>Results: </strong>Clinical signs included weight loss, fever, tachycardia, polypnea, dyspnea, cough, nasal discharge, and bluish mucous membranes. Pulmonary ultrasound showing consolidated lung parenchyma with a hepatic-like texture. Pleural effusion, the most prominent sonographic finding, exhibited echogenicity ranging from anechoic to hyperechoic, with fibrin networks and precipitates of varying severity. Dyspnea significantly improved after pleural effusion aspiration. Necropsy revealed typical CCPP lesions, including unilateral sero-fibrinous pleuropneumonia with lung consolidation and pleural effusion varying from straw-colored to bloody or turbid. Histopathology revealed bronchiolar and alveolar obliteration by fibrin and inflammatory cells, predominantly neutrophils and macrophages.</p><p><strong>Conclusion: </strong>Ultrasound effectively identified sero-fibrinous pleuropneumonia in CCPP-infected sheep, which was in agreement with postmortem findings. This technique aids in the early detection and isolation of infected animals and is a valuable tool until culture or molecular testing provides definitive results.</p>","PeriodicalId":19531,"journal":{"name":"Open Veterinary Journal","volume":"15 5","pages":"1947-1957"},"PeriodicalIF":0.9,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12184439/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144485343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Molecular characterization of fowl and pigeon pox viruses: A recent outbreak in Libya.","authors":"Marwa H A Elshwihdi, Abdulwahab M Kammon, Abdulatif A Asheg","doi":"10.5455/OVJ.2025.v15.i5.31","DOIUrl":"10.5455/OVJ.2025.v15.i5.31","url":null,"abstract":"<p><strong>Background: </strong>Poxvirus infections in poultry, particularly fowl poxviruses (FPV), pose significant challenges to the global poultry industry. A notable outbreak of cutaneous fowl (FP) and pigeon pox in Libya has primarily affected backyard chickens, pigeons, and some commercial layers, marking the region's first official record of these viruses.</p><p><strong>Aim: </strong>This study aimed to isolate, identify, and characterize FP and pigeon pox viruses (PPVs) associated with the outbreak.</p><p><strong>Methods: </strong>Histopathological examinations were conducted alongside clinical observations of lesions in affected chickens and pigeons. Virus isolation was performed using embryonated chicken eggs, and molecular diagnosis was achieved via polymerase chain reaction targeting the P4b core protein gene. Sequencing and phylogenetic analyses were also performed.</p><p><strong>Results: </strong>Characteristic lesions, such as wart-like growths and scabs, were observed in backyard chickens and pigeons. Histopathological analyses confirmed the presence of eosinophilic intracytoplasmic inclusion bodies. Molecular analysis revealed high genetic similarity among the four FPV isolates, which were 100% identical to selected isolates from Iraq, Iran, and Brazil. The PPV isolates also showed significant genetic homogeneity, with 100% identity to strains from Egypt and India and high similarities to other isolates.</p><p><strong>Conclusion: </strong>Our findings underscore the need for further investigation into the epidemiology and transmission dynamics of fowlpox and PPVs. Future research should focus on the genetic diversity of PPVs and their implications for pathogenicity and host specificity. Ongoing global surveillance and genetic analysis of avian viruses are crucial for understanding their impact on poultry populations and developing effective disease management strategies.</p>","PeriodicalId":19531,"journal":{"name":"Open Veterinary Journal","volume":"15 5","pages":"2127-2137"},"PeriodicalIF":0.9,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12184477/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144485315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Morphological and molecular characterization of microfilariae in chickens (Gallus gallus domesticus) in Northeastern Thailand.","authors":"Nikom Srikacha, Pornchai Pornpanom","doi":"10.5455/OVJ.2025.v15.i5.19","DOIUrl":"10.5455/OVJ.2025.v15.i5.19","url":null,"abstract":"<p><strong>Background: </strong>Filariasis is a parasitic disease caused by filarial nematodes. The life cycle involves vertebrates host and hematophagous arthropods. Filarial nematodes are viviparous, and their larvae (microfilaria) are produced into the blood circulation. Microfilariae are widely studied in humans and small animals, but are rarely found in domestic chickens.</p><p><strong>Aim: </strong>We aimed to study the prevalence, morphology, and molecular characteristics of microfilariae in village chickens raised in Thailand.</p><p><strong>Materials and methods: </strong>Sixty thin blood smears were prepared for parasite detection and morphotype observation. A total of 60 genomic DNA were used for nested-PCR amplification of the cytochrome c oxidase 1 (<i>COX1</i>) gene. The amplicons were then sequenced and used for Bayesian phylogenetic analysis.</p><p><strong>Results: </strong>The prevalence of microfilariae in domestic chickens raised in Northeastern Thailand was 36.66%. Three morphotypes of microfilariae were identified. Eleven out of 22 samples exhibited a single morphotype infection. Of these, only two samples were identified as single-strain infections. One sequence isolated from unsheathed microfilaria was phylogenetically grouped with other <i>Eufilaria</i> spp., with 9.95%-10.57 % genetic divergence. Thus, this unsheathed microfilaria was identified as <i>Eufilaria</i> sp. (GenBank accession no: PQ564658).</p><p><strong>Conclusion: </strong>The prevalence of microfilariae in Thai chickens was high. This report highlighted that the sequence of the <i>COX1</i> gene and morphological characteristics confirmed <i>Eufilaria</i> infection. This study sheds light on the identification and diagnosis of microfilaria and filarial nematode infection in chickens. However, the sensitivity of the available nested-PCR was limited. Further design of primers using our reported sequences may resolve this problem. Thus, the data from this study can be considered as baseline information for further studies.</p>","PeriodicalId":19531,"journal":{"name":"Open Veterinary Journal","volume":"15 5","pages":"2030-2038"},"PeriodicalIF":0.9,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12184447/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144485317","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Reproductive disorders in Simmental cattle: Enhancing fertility through a hormonal protocol.","authors":"Musdalifa Mansur, Athhar Manabi Diansyah, Rahmat Rahmat, Muhammad Fajar Amrullah, Andi Muhammad Alfian, Ahmad Alfaruqi Syahrandi Adam, Aeni Nurlatifah","doi":"10.5455/OVJ.2025.v15.i5.29","DOIUrl":"10.5455/OVJ.2025.v15.i5.29","url":null,"abstract":"<p><strong>Background: </strong>Reproductive disorders, including abortion, endometritis, and silent estrus, present significant challenges to fertility and productivity in semi-intensive farming systems. These conditions disrupt physiological and hormonal functions, leading to impaired reproductive outcomes.</p><p><strong>Aim: </strong>This study aimed to evaluate the effectiveness of hormonal protocols in addressing these disorders by assessing reproductive tract size, cervical mucus characteristics, and fertility outcomes in cattle with varying reproductive health statuses.</p><p><strong>Methods: </strong>Healthy cattle exhibited optimal reproductive performance and were characterized by high-quality cervical mucus, normal uterine horn dimensions, and superior fertility outcomes. This finding highlights the importance of balanced endocrine function in supporting optimal reproductive efficiency.</p><p><strong>Results: </strong>In contrast, cattle with abortion disorders and endometritis experienced disrupted uterine health, enlarged uterine horns, and diminished cervical mucus quality, resulting in significantly reduced fertility. Silent estrus showed intermediate results, reflecting suboptimal estrus expression and hormonal imbalances that affected reproductive efficiency despite hormonal interventions. Strong positive correlations were observed between cervical mucus characteristics, such as viscosity, acidity, and ferning patterns, and fertility outcomes, indicating their critical role in facilitating sperm survival, motility, and fertilization. Conversely, uterine horn dimensions exhibited a negative correlation with fertility, reflecting the impact of chronic inflammation and structural abnormalities on reproductive success.</p><p><strong>Conclusion: </strong>Although hormonal protocols were effective in synchronizing estrus and inducing ovulation, their efficacy varied depending on the severity of reproductive disorders and environmental management practices. These findings demonstrate that hormonal protocols can partially mitigate the physiological disruptions caused by reproductive disorders; however, integrated reproductive management strategies are essential. Combining hormonal interventions with targeted nutritional support, improved environmental management, and enhanced estrus detection practices is critical for optimizing reproductive performance. This study provides a framework for addressing reproductive challenges in Simmental cattle, supporting sustainable livestock production in semi-intensive systems in resource-limited settings.</p>","PeriodicalId":19531,"journal":{"name":"Open Veterinary Journal","volume":"15 5","pages":"2112-2121"},"PeriodicalIF":0.9,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12184438/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144485331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}