RIULS

Repository of Iasi University of Life Sciences, ROMANIA

Welcome to RIULS!

The mission of the University’s institutional repository is to manage, preserve and disseminate, in open access, the academic and institutional output of the university’s academic community. It also aims to promote values and personalities belonging to Romanian agricultural science, by storing digitized versions of rare books and manuscripts from its collections.

The repository is part of the international movement known as open science, which promotes free access to scientific literature. This translates into maximized impact of the work carried out by researchers, contribution to improving access to knowledge, increased visibility of the institution through the works of its authors and improvement of its search engine ranking.

All documents deposited in the repository receive a unique and persistent identifier called a Handle, thus guaranteeing perpetual access to scientific output through permanent links.

RIULS Repository of Iași University of Life Sciences is indexed in Duraspace, OpenDOAR,CORE,Google Scholar,BASE (Bielefeld Academic Search Engine) and ROAR (Registry of Open Access Repositories), global Directories of Open Access Repositories.

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Recent Submissions

  • listelement.badge.dso-type Item , listelement.badge.access-status Open Access ,
    Research on incubation index of the eggs provided by gray Guinea fowl Numida meleagris
    (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2020) Teodorescu, Alina; Atudosiei, Gabriela; Roşca, D.C.; Radu-Rusu, Răzvan-Mihail; Usturoi, Marius-Giorgi
    Nowadays, the prevention of diseases through a healthy diet for modern society is becoming a matter of major interest, from a socially, economically and politically point of view. In this context, the objective of the research was to evaluate the incubation index recorded by eggs provided by gray guinea fowl, reared in both extensive and intensive system. A number of features were investigated regarding the clarity of the eggs, the percentage of fertility, the number of eggs with dead embryos, the percentage of hatching. The data regarding the clarity of the eggs show us for the extensive system values between 24.39% (batch 2) and 29.97% (batch 3), and for the intensive system the values were in the range 9.76-14.63 %. Regarding the fertility of the analyzed eggs, it exceeded the threshold of 70% in all batches from the extensive system; for intensive system eggs, fertility was over 85%. The highest embryonic mortality was recorded in batch 1 (24%), and the lowest in batches 4 and 5 (15%). Regarding the hatching of eggs, the results recorded ranged around 65% for the extensive system and 80% for the intensive system. The hatchery percentage shows us for the extensive system values between 43.90% (batch 3) and 51.22% (batch 2). The intensive system was highlighted with much higher values, more precisely batch 4 with a hatching percentage of 73.17%, batch 5 with a percentage of 70.73%, and batch 6 with a value of 70.73% Guinea fowl eggs have a number of very valuable biological properties, so the extensive exploitation of these birds can have great prospects for development.
  • listelement.badge.dso-type Item , listelement.badge.access-status Open Access ,
    Assessing Honey Quality: A Focus on Some Physicochemical Parameters of Honey from Iasi County (Romania)
    (MDPI, 2025-02-03) Albu, Aida; Bora, Florin Dumitru; Cucu-Man, Simona-Maria; Stoleru, Vasile; Nistor, Cătălin-Emilian; Brumă, Ioan Sebastian; Rusu, Oana-Raluca
    The study of honey in Iasi County reveals its ecological, economic and health importance, emphasizing its unique properties, role in biodiversity and value in promoting sustainable beekeeping and regional identity. This study aimed to investigate the characteristics of honey from Iasi County, Romania, analyzing 27 samples collected in 2020 and 2021. The samples include tilia (8 raw, 7 commercial), acacia (2 raw, 2 commercial), rapeseed (3 raw), sunflower (3 raw) and lavender (2 raw) honey. Analyses were carried out under Romanian/EU standards, assessing parameters such as color, electrical conductivity, moisture, total soluble solids (TSS), acidity (free, lactone, total), pH, hydroxymethylfurfural (HMF), ash and mineral composition (Na, K, Ca, Mg, Cu, Zn, Mn and Fe). The results revealed significant differences between raw and commercial honeys. Notably, in commercial tilia honey, higher values were found for color (38.58 mm Pfund vs. 24.14 mm Pfund), total acidity (25.93 meq·kg−1 vs. 17.36 meq·kg−1) and HMF levels (8.84 mg·kg−1 vs. 3.68 mg·kg−1). Conversely, water-insoluble solids (0.08% vs. 0.15%) and ash content (0.21% vs. 0.30%) were lower in commercial samples. Potassium was the most abundant mineral detected, while copper and zinc levels were the lowest. Significant correlations were observed between several parameters, including ash with electrical conductivity and HMF with acidity. This study underscores the impact of processing on honey quality and highlights the importance of understanding honey composition for consumers and producers alike.
  • listelement.badge.dso-type Item , listelement.badge.access-status Open Access ,
    Studies on the influence of environmental temperatures in laying chicken halls on productive performance
    (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2020) Usturoi, Marius-Giorgi
    Research has focused on how the ambient temperatures ensured during the breeding of laying hens influence their productive performance.. To this end, two batches of birds of equal size (17280 Lohmann Brown hens / batch) were set up in two breeding halls, one of which had no additional thermal insulation (batch A) and a barn with an external heating system (batch B). At the end of the 51 weeks of operation, the birds in group B (thermally insulated hall) had a body weight 0.28% higher, an individual egg production better 1.46% and an average egg intensity higher 1.97% compared to hens accommodated in the hall without additional thermal insulation (batch A). Also in the chickens from batch B (thermally insulated hall) there were lower levels for the rate of exits from the herd (with 0.51%), the average daily consumption of compound feeds (by 0.73%) and the feed conversion index (with 2.23%). In conclusion, it can be stated that the application of additional construction elements on the walls of the halls used for growing laying hybrids (thermosystem) allows the achievement of adequate and constant ambient temperatures, which translates into an improvement in productive performance.
  • listelement.badge.dso-type Item , listelement.badge.access-status Open Access ,
    Study of some influence factors of cattle slaughter indicators
    (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2020) Usturoi, Marius-Giorgi
    stract The influence of breed and body weight on the technical indicators of slaughter in cattle was studied. In this sense, 30 males from ,,Bălțată cu Negru Românească” and „Brună” breeds were slaughtered, respectively, falling into three weight groups (300-350 kg, 350-400 kg; 400-450 kg), establishing the slaughter yield. and the weight of the main anatomical portions in the carcass. From the obtained data it resulted that, in the Bălțată cu Negru Românească breed, the carcass weight was higher by 2.75-5.11%, hence a higher slaughter yield by 1.90-3.57% than in the breed Brown. Also in the Bălțată cu Negru Românească breed, there were higher weights for the anatomical parts included in specialties (by 0.26-0.46%), in those of superior quality (by 0.11 0.83%) and, respectively, in those of quality I (0.24-0.47%). Of the two breeds of cattle studied, the best slaughter indicators were made by Bălțata cu Negru Românească, especially by the specimens from the weight group 400-450 kg.
  • listelement.badge.dso-type Item , listelement.badge.access-status Open Access ,
    Blood protein profile dynamics due to probiotic yogurt supplementation in broiler chickens
    (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2020) Adriani, Lovita; Rifki, Muhammad; Widjastuti, Tuti
    This study aims to determine the effect of providing probiotics based on cow milk, its combination with soy milk and green beans on total protein and blood albumin levels of broiler chickens. The study used 100 DOC broiler chickens and reared for 28 days. The experimental design used was a completely randomized design (CRD) with 4 treatments and 5 replications, namely P0 (commercial ration), P1 (commercial ration + 2% probiotics (100% fermented cow milk)), P2 (commercial ration + 2% probiotics. (50% fermented cow milk + 50% fermented soy milk)), and P3 (commercial ration + 2% probiotics (50% fermented cow milk + 25% fermented soy milk + 25% fermented mung bean milk)). The results of statistical analysis showed that the treatment had no significant effect (P> 0.05) on total protein and albumin levels. The conclusion is that the provision of 2% probiotic based on cow milk, in combination with soy milk and green beans can maintain the total protein and blood albumin levels of broiler chickens in the normal range.