Ciencia Rural最新文献

Intra-articular stabilization of a dog stifle with polyester thread: an ex vivo evaluation 涤纶线对犬膝关节内的关节内稳定:离体评价

IF 0.8 4区农林科学

Ciencia Rural Pub Date : 2024-01-01 DOI: 10.1590/0103-8478cr20220125

Rainer da Silva Reinstein, Franciéli Mallmann Pozzobon, D. Müller

{"title":"Intra-articular stabilization of a dog stifle with polyester thread: an ex vivo evaluation","authors":"Rainer da Silva Reinstein, Franciéli Mallmann Pozzobon, D. Müller","doi":"10.1590/0103-8478cr20220125","DOIUrl":"https://doi.org/10.1590/0103-8478cr20220125","url":null,"abstract":"ABSTRACT: The incidence of cranial cruciate ligament rupture (CCLR) in dogs is high, which is considered the main arthropathy in the species. Once diagnosed, surgical stabilization is recommended and different treatments are categorized as intracapsular, extracapsular, and osteotomies. There is still no consensus regarding the most optimal method of stabilization, and some studies have attempted to create or improve existing techniques, making them more effective. This study presented an intra-articular stifle stabilization technique using a synthetic polyester implant using 32 anatomical specimens from canine cadavers, which were separated by weight into two groups. The drawer movement was analyzed at three timepoints: intact cranial cruciate ligament (CCL), dissected ligament, and after surgical stabilization using the proposed technique. Results showed a mean cranial displacement of the tibia relative to the femur of 0.61 ± 0.08 millimeters before dissection (mm), 2.61 ± 0.08 mm after dissection, and 0.68 ± 0.08 mm after surgical stabilization (P < 0.01). In conclusion, the intra-articular stabilization technique with polyester thread was effective in stabilizing ex vivo dog stifles after CCL dissection at the immediate postoperative period.","PeriodicalId":10308,"journal":{"name":"Ciencia Rural","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67636884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Physicochemical characterization of fruits, biometry and dormancy of marula seeds 马鲁拉种子果实的理化特性、生物特征及休眠

IF 0.8 4区农林科学

Ciencia Rural Pub Date : 2024-01-01 DOI: 10.1590/0103-8478cr20220210

J. Santos, V. Maia, A. M. S. S. David, F. S. Oliveira, Mirna Ariane Taveira de Sousa e Souza, Bruno Soares da Silva

{"title":"Physicochemical characterization of fruits, biometry and dormancy of marula seeds","authors":"J. Santos, V. Maia, A. M. S. S. David, F. S. Oliveira, Mirna Ariane Taveira de Sousa e Souza, Bruno Soares da Silva","doi":"10.1590/0103-8478cr20220210","DOIUrl":"https://doi.org/10.1590/0103-8478cr20220210","url":null,"abstract":"ABSTRACT: This study recorded the physicochemical properties of the marula fruits, the biometry and breaking the dormancy in the marula seeds. Using 200 ripe fruits, the physicochemical characterization was done. From a random sample of 400 seeds, an assessment of the biometrics was performed, and the weight, length, width and thickness of the fruits and seeds were evaluated. Two experiments were conducted to study dormancy breaking using pre-germination treatments, which included immersing the marula seeds five times (0, 15, 30, 45 and 60 minutes) in concentrated sulfuric acid (96%) and water, at 65 ºC temperature. The control was time zero, using plain distilled water, with 25 seeds per treatment and four replications. The marula fruits revealed average values of 21.65 ± 3.44 g, 35.5 ± 2.38 and 34.8 ± 2.73, respectively, for weight, diameter and length. The soluble solids (SS), Hydrogenonic Potential (pH), titratable acidity (AT) and ratio (AT/SS) were 14.74 ± 1.0º Brix, 3.93 ± 0.49 pH, 0.63 ± 0.22 and 27.07 ± 12.10, respectively. For the weight of one thousand seeds, the average value was 3.576 ± 188.4 g. The mean values for the dimensions of the width, length and diameter of the seeds were 22.9 ± 2.11; 23.7 ± 2.04; and 14.9 ± 2.09 mm, respectively. The physiological quality of these seeds was enhanced by immersing the seeds from freshly picked fruits in sulfuric acid for a maximum of 30 minutes and storing them for six months.","PeriodicalId":10308,"journal":{"name":"Ciencia Rural","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67637719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Compounds identified in plant extracts applied to agriculture and seed treatment 应用于农业和种子处理的植物提取物中鉴定的化合物

IF 0.8 4区农林科学

Ciencia Rural Pub Date : 2024-01-01 DOI: 10.1590/0103-8478cr20220424

R. Carvalho, Mariana Pina da Silva, Maria Teresa Mendes Ribeiro Borges, V. A. Forti

{"title":"Compounds identified in plant extracts applied to agriculture and seed treatment","authors":"R. Carvalho, Mariana Pina da Silva, Maria Teresa Mendes Ribeiro Borges, V. A. Forti","doi":"10.1590/0103-8478cr20220424","DOIUrl":"https://doi.org/10.1590/0103-8478cr20220424","url":null,"abstract":"ABSTRACT: Plant extracts effects have been regarded and proven in researches under different applications in agriculture, including seed treatment. The plant extracts effectiveness is attributed to the presence of certain classes of compounds; therefore, studies that aim to identify and quantify these composites, which are present in plant extracts used in agriculture, are important, as well as the seed treatment. This research aimed to understand and describe through a systematic review, what were the main carried approaches, classes and identified compounds in studies with plant extracts to different applications in agriculture and the seed treatment. The period 2015 to 2020 was the one that exposed the higher research publication indexes, considering the theme under analysis, plant extracts in agriculture, seeking to identify or quantify the presence of metabolic composites, indicating a growing interest in this theme. Such studies pursued identifying and/or quantifying the compounds that are present in the plant extracts. The phenolic compounds constitute the priority class of metabolites to different functions, effects and applications in agriculture, mainly in seed treatment. The terpenes present a substantial potential as bioinsecticides to agriculture. Plant species that are rich in phenolic and terpenes compounds are a significant source of alternative control in the protection of the productive system.","PeriodicalId":10308,"journal":{"name":"Ciencia Rural","volume":"10 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67640302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Antibiosis of strawberry genotypes to the spotted spider mite 草莓基因型对斑点蜘蛛螨的抗生作用

IF 0.8 4区农林科学

Ciencia Rural Pub Date : 2024-01-01 DOI: 10.1590/0103-8478cr20210677

João Pedro Robe Fagundes, P. C. Gobbi, A. F. Duarte, S. Bonow, U. S. Cunha

{"title":"Antibiosis of strawberry genotypes to the spotted spider mite","authors":"João Pedro Robe Fagundes, P. C. Gobbi, A. F. Duarte, S. Bonow, U. S. Cunha","doi":"10.1590/0103-8478cr20210677","DOIUrl":"https://doi.org/10.1590/0103-8478cr20210677","url":null,"abstract":"ABSTRACT: The spotted spider mite, Tetranychus urticae (Koch, 1836), is one of the most important pests of strawberry production systems worldwide. Because plant resistance is an important integrated management strategy, the present study investigated the effects of 12 strawberry genotypes on the biological characteristics of this pest under laboratory conditions (25 ± 2 °C and RH 60 ± 10%; 12:12-hour photophase). The experiment was carried using 12 treatments (genotypes), divided into 20 replications each, in a completely randomized design. The response variables were the biological parameters of the spider mite and its survival rate. The development and survival of T. urticae were influenced by different strawberry genotypes. The Camarosa cultivar together with genotypes Selection 05 and 2017-04-03 negatively affected the development and survival of T. urticae. The Selection 02 genotype had greatest susceptibility to the spider mite, which allowed fast development and high survival rate. The reproductive parameters of T. urticae were affected differently as a function of the strawberry genotype, with the Camarosa cultivar and the genotypes Selection 05 and 2017-04-03 being unfavorable to development, suggesting a possible resistance based on antibiosis.","PeriodicalId":10308,"journal":{"name":"Ciencia Rural","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67633184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Seed sensor position on seeder performance at varying speeds 不同速度下播种机性能的种子传感器位置

IF 0.8 4区农林科学

Ciencia Rural Pub Date : 2024-01-01 DOI: 10.1590/0103-8478cr20220186

D. Savi, G. G. Zimmermann, S. P. Jasper, R. S. Ferraz, L. Sobenko

引用次数: 0

Amitraz poisoning in a cat 猫的阿米特拉兹中毒

IF 0.8 4区农林科学

Ciencia Rural Pub Date : 2024-01-01 DOI: 10.1590/0103-8478cr20220308

Thaís Tosetto Santin, T. M. Veronezi, André Fernandes de Azevedo, F. Costa

{"title":"Amitraz poisoning in a cat","authors":"Thaís Tosetto Santin, T. M. Veronezi, André Fernandes de Azevedo, F. Costa","doi":"10.1590/0103-8478cr20220308","DOIUrl":"https://doi.org/10.1590/0103-8478cr20220308","url":null,"abstract":"ABSTRACT: A 4-month-old male Himalayan cat presented with clinical signs of acute lethargy and motor incoordination after being treated with amitraz for parasite control. On clinical examination, the patient was lethargic and ataxic with severe pulicosis, hypothermia, pale mucous membranes, bradycardia, weak femoral pulses, hyperglycemia, and bilateral mydriasis. Blood tests revealed non-regenerative hypochromic microcytic anemia. Serum alanine levels were elevated tenfold. The patient received supportive treatment with atipamezole (an α2-adrenergic antagonist) at a dose of 0.1 mg/kg intramuscularly. After 24 h of hospitalization and constant monitoring, the patient recovered and was discharged. The published literature showed that the active ingredient amitraz is effective in the treatment of some parasitic diseases in cats, such as scabies and demodicosis; therefore, it is still used for this purpose. Given the small therapeutic margin of this insecticide, veterinarians should caution owners about its potential toxicity. This report emphasized the significance of amitraz intoxication in feline species and the success of the treatment, which should be initiated in the first hour after intoxication.","PeriodicalId":10308,"journal":{"name":"Ciencia Rural","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67639201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Antibacterial activity of electrolyzed water on Pseudomonas syringae and Clavibactermichiganensis and its effect on seed germination 电解水对丁香假单胞菌和密歇根锁杆菌的抑菌活性及其对种子萌发的影响

IF 0.8 4区农林科学

Ciencia Rural Pub Date : 2024-01-01 DOI: 10.1590/0103-8478cr20220416

L. Santoyo, Tarsicio Medina Saavedra, M. Elos, Ulises Miguel López García, Martina Alejandra Chacón López, Talina Olivia Martínez Martínez

{"title":"Antibacterial activity of electrolyzed water on Pseudomonas syringae and Clavibactermichiganensis and its effect on seed germination","authors":"L. Santoyo, Tarsicio Medina Saavedra, M. Elos, Ulises Miguel López García, Martina Alejandra Chacón López, Talina Olivia Martínez Martínez","doi":"10.1590/0103-8478cr20220416","DOIUrl":"https://doi.org/10.1590/0103-8478cr20220416","url":null,"abstract":"ABSTRACT: Tomato plants are a crop of great economic importance worldwide. Mexico is considered the world’s leading exporter of this vegetable, with a 24% market share. However, this crop can be affected by diseases such as bacterial freckle and bacterial cancer that can be introduced to plantations through infected seeds. Pesticides are used in agriculture for disease control and are considered a source of environmental pollution. Alternatives to the use of pesticides must therefore be sought. To this effect, electrolyzed water is a technology that has been shown to have antimicrobial activity. In this study, the antimicrobial activity of electrolyzed water on Pseudomonas syringaepv. tomato and Clavibactermichiganensis subsp.michiganensis was evaluated on cells suspension and tomato seed germination. Electrolyzed oxidizing water (EOW) and electrolyzed reduced water (ERW) treatments were applied for 1, 3 and 6 minutes. In addition, seeds were infected with each of the bacterial strains separately and electrolyzed water treatments were applied. Results show that oxidizing water is more efficient as an antimicrobial agent, as it achieved 100% growth reduction of the two bacterial strains after one minute of treatment. These treatments did not affect germination percentage, since germination percentages above 90% were obtained in all treatments and the seedlings were not affected in any of the evaluated variables.","PeriodicalId":10308,"journal":{"name":"Ciencia Rural","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67639948","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Spectral temporal graph neural network for multivariate agricultural price forecasting 多变量农产品价格预测的光谱时间图神经网络

IF 0.8 4区农林科学

Ciencia Rural Pub Date : 2024-01-01 DOI: 10.1590/0103-8478cr20220677

Cevher Özden, Mutlu Bulut

引用次数: 1

Environmental and physiological measures in the neonatal period as indicators of growth and puberty of Holstein heifers 新生儿期环境和生理指标作为荷斯坦小母牛生长和青春期的指标

IF 0.8 4区农林科学

Ciencia Rural Pub Date : 2023-06-16 DOI: 10.1590/0103-8478cr20220528

João Vitor Nogueira de Almeida, Letícia Ribeiro Marques, Angélica Cabral Oliveira, T. Paim, T. C. Marques, K. M. Leão

{"title":"Environmental and physiological measures in the neonatal period as indicators of growth and puberty of Holstein heifers","authors":"João Vitor Nogueira de Almeida, Letícia Ribeiro Marques, Angélica Cabral Oliveira, T. Paim, T. C. Marques, K. M. Leão","doi":"10.1590/0103-8478cr20220528","DOIUrl":"https://doi.org/10.1590/0103-8478cr20220528","url":null,"abstract":"ABSTRACT: The present study assessed the influence of environmental variables at birth (birth season, temperature, relative humidity, THI - temperature and humidity index) and newborn serum protein level of 450 Holstein heifers on growth (body weight, and mortality rate) and reproductive performance (weight and age at puberty, age at first conception, and conception rate at first artificial insemination). The immune passive transfer was positively related to the weights at 30 and 60, with a trend at 90 days, which consequently affected weight at puberty, age at puberty, and age at conception. Therefore, it reinforces the importance of protocols with newborns that allow the assessment of the passive transfer of immunity. Calves born during the warmer months exhibited 4.2 and 12.28 kg less weight at weaning and puberty, respectively, compared to calves born during winter. Thus, calves born in an environment with higher THI showed changes in development, health, and reproductive efficiency in the short, medium, and long term. These findings reinforce the importance of adopting better colostrum management and welfare conditions, especially in warm season, to allow successful immune passive transfer and increase system efficiency.","PeriodicalId":10308,"journal":{"name":"Ciencia Rural","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2023-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67641679","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Proximal hyperspectral analysis in grape leaves for region and variety identification 葡萄叶片近端高光谱分析用于区域和品种鉴定

IF 0.8 4区农林科学

Ciencia Rural Pub Date : 2023-06-16 DOI: 10.1590/0103-8478cr20220313

D. Arruda, J. Ducati, Rosemary Hoff, Tássia Fraga Belloli, A. B. Thum

{"title":"Proximal hyperspectral analysis in grape leaves for region and variety identification","authors":"D. Arruda, J. Ducati, Rosemary Hoff, Tássia Fraga Belloli, A. B. Thum","doi":"10.1590/0103-8478cr20220313","DOIUrl":"https://doi.org/10.1590/0103-8478cr20220313","url":null,"abstract":"ABSTRACT: Reflectance measurements of plants of the same species can produce sets of data with differences between spectra, due to factors that can be external to the plant, like the environment where the plant grows, and to internal factors, for measurements of different varieties. This paper reports results of the analysis of radiometric measurements performed on leaves of vines of several grape varieties and on several sites. The objective of the research was, after the application of techniques of dimensionality reduction for the definition of the most relevant wavelengths, to evaluate four machine learning models applied to the observational sample aiming to discriminate classes of region and variety in vineyards. The tested machine learning classification models were Canonical Discrimination Analysis (CDA), Light Gradient Boosting Machine (LGBM), Random Forest (RF), and Support Vector Machine (SVM). From the results, we reported that the LGBM model obtained better accuracy in spectral discrimination by region, with a value the 0.93, followed by the RF model. Regarding the discrimination between grape varieties, these two models also achieved better results, with accuracies of 0.88 and 0.89. The wavelengths more relevant for discrimination were at ultraviolet, followed by those at blue and green spectral regions. This research pointed toward the importance of defining the wavelengths more relevant to the characterization of the reflectance spectra of leaves of grape varieties and revealed the effective capability of discriminating vineyards by their region or grape variety, using machine learning models.","PeriodicalId":10308,"journal":{"name":"Ciencia Rural","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2023-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67639372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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