Stylianos Kokkas

ORCID: 0000-0002-1639-0635
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About
Contact & Profiles
Research Areas
  • Animal Nutrition and Physiology
  • Remote Sensing in Agriculture
  • Phytochemicals and Antioxidant Activities
  • Meat and Animal Product Quality
  • Edible Oils Quality and Analysis
  • Topic Modeling
  • Antioxidant Activity and Oxidative Stress
  • Soil Geostatistics and Mapping
  • Natural Language Processing Techniques
  • Dye analysis and toxicity
  • Agriculture Sustainability and Environmental Impact
  • Biomedical Text Mining and Ontologies
  • Protein Hydrolysis and Bioactive Peptides
  • Spectroscopy and Chemometric Analyses
  • Geochemistry and Geologic Mapping
  • Soil and Land Suitability Analysis
  • Rabbits: Nutrition, Reproduction, Health
  • Text and Document Classification Technologies
  • Horticultural and Viticultural Research

Aristotle University of Thessaloniki
2022-2023

Interbalkan Medical Center
2023

University of Thessaly
2021

Technological Educational Institute of Thessaly
2015-2019

In the present study, grape pomace (GP) was used as feed additive in diet of weaned piglets order to develop innovative feedstuffs and investigate their potential beneficial effects on welfare, productivity meat quality. For examining antioxidant capacity experimental feeds, 24 20 days old were assigned two groups receiving standard or for 30 days. Blood tissues collections performed at four different time-points, 2, 20, 35 50 post birth. The collected brain, heart, kidney, liver, lung,...

10.1017/s1751731117001604 article EN cc-by-nc-nd animal 2017-07-17

The estimation of the grapes' maturity in field using non-destructive techniques is high interest for high-valued vinified grapes, particularly towards development fully automated agrobots that perform selective harvesting operations. Whereas infrared spectroscopy has been employed point spectrometers laboratory and field, imaging have mainly tested controlled conditions due to issues with varying illumination. In this paper, application autoencoder framework proposed, which transform raw...

10.1016/j.compag.2023.108098 article EN cc-by-nc-nd Computers and Electronics in Agriculture 2023-08-07

The aim of the study was to examine effects a polyphenolic powder from olive mill wastewater (OMWW) administered through drinking water, on chickens’ redox status. Thus, 75 chickens were divided into three groups. Group A given just while groups B and C water containing 20 50 μ g/ml polyphenols, respectively, for 45 days. antioxidant assessed by measuring oxidative stress biomarkers in blood after 25 days treatment. These markers total capacity (TAC), protein carbonyls (CARB), thiobarbituric...

10.1155/2017/8273160 article EN cc-by Oxidative Medicine and Cellular Longevity 2017-01-01

There is a growing realization among policymakers that in order to pave the way for development of evidence-based conservation recommendations policy, it essential improve capacity soil-health monitoring by adopting multidimensional and integrated approaches. However, existing ready-to-use maps are characterized mainly coarse spatial resolution (>200 m) information not up date, making their use insufficient EU’s policy requirements, such as common agricultural policy. This work, utilizing...

10.3390/rs15225304 article EN cc-by Remote Sensing 2023-11-09

In this work, the production of a novel and sustainable silage was realized optimized. Three agro-industrial wastes produced in bulk: olive mill wastewater (OMWW), grape pomace (GP) de-proteinized feta cheese whey (DFCW) were mixed with coarsely ground maize grains, mixture inoculated commercial lactic bacteria starter culture fermented for 30 days under anaerobic conditions to obtain silage. Sixty-seven recipes varying compositions three agro-wastes ensilaged, four quality indices: pH...

10.3390/agriengineering3040055 article EN cc-by AgriEngineering 2021-11-01

Abstract A feeding trial involving growing piglets was undertaken to establish whether feed supplemented with whey protein concentrate (WPC), exhibiting antioxidant properties, had any effects on welfare and meat quality. For that purpose, 48 weaned (20-days-old) were assigned two experimental groups receiving standard or diet for 30 days. Blood tissue collection performed at various time-points. The following oxidative stress markers assessed: reduced glutathione (GSH), catalase activity,...

10.1017/s0021859619000224 article EN The Journal of Agricultural Science 2019-01-01

This paper presents a novel methodology for estimating cropland topsoil organic carbon (SOC) content using open-access Earth Observation (EO) data and deep learning techniques in Greece. We address the scarcity of ground-truth reference augmentation technique utilizing spatial neighbors. By incorporating neighboring pixel information 3x3 grid (corresponding to 30 x m meters Sentinel-2), we achieve robust predictions provide uncertainty estimations SOC distribution Greek croplands....

10.1109/igarss52108.2023.10282347 article EN IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium 2023-07-16

Language Models (LM) capture the characteristics of distribution words sequences in natural language, learning meaningful distributed representations process. Recent advancements Neural Networks and Deep Leaning have led to rapid progress this area, greatly attributed emergence attention mechanism. Specifically, Transformer architecture that implements attention-based encoder-decoder stacks, has advanced research numerous Natural Processing tasks produced state-of-the-art pre-trained LMs....

10.1145/3549737.3549753 article EN 2022-09-07
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