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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Now showing 1 - 3 of 3

Recent Submissions

  • listelement.badge.dso-type Item , listelement.badge.access-status Open Access ,
    The Role of Polyhydroxyalkanoates in Veterinary Medicine: Biosynthesis, Material Modifications and Clinical Applications
    (MDPI, 2026-09-16) Aniță, Adriana-Elena; Aniță, Dragoș-Constantin; Neguț, Irina; Ristoscu, Carmen
    Polyhydroxyalkanoates (PHAs) are a structurally diverse family of microbially synthesised, biodegradable polyesters that accumulate as intracellular carbon and energy reserves under conditions of nutrient imbalance. Their combination of adjustable mechanical performance with controlled hydrolytic and enzymatic degradation, and non-toxic degradation intermediates (ex. D-3-hydroxybutyrate) has made them a longstanding candidate biomaterial for human tissue engineering, drug delivery, and resorbable implants. Comparatively, their application in veterinary medicine remains an emerging and fragmented field, despite an arguably stronger practical case: veterinary practice faces acute pressure to replace non-degradable sutures, orthopaedic hardware, and single-use plastics with materials that avoid secondary retrieval surgery, that can be produced at low cost for large-scale animal use, and that align with growing regulatory and consumer demand for sustainable animal healthcare. This review consolidates current understanding of PHA biosynthesis, covering the core: phaA-phaB-phaC pathway, medium-chain-length variants, microbial producers, feedstock flexibility, and metabolic engineering strategies for yield improvement. It also examines material modification strategies, including blending, chemical grafting, surface functionalisation, electrospinning, and additive manufacturing, used to adapt PHAs for specific veterinary form factors. The clinical and preclinical evidence base is presented in detail across wound management, orthopaedic and soft-tissue regeneration, cardiovascular tissue engineering, drug delivery, and surgical devices, with attention to species-specific considerations in companion animals, horses, and food-producing ruminants. This review relies exclusively on peer-reviewed literature for its quantitative claims, while transparently noting where veterinary-specific data are lacking, extrapolated from rodent or human models, or in need of independent verification. Persistent barriers like production cost, batch-to-batch variability, absence of veterinary-specific regulatory pathways, and limited long-term in vivo safety data in large animals are analysed critically, alongside translational opportunities including waste-feedstock valorisation, hybrid PHA/ceramic and PHA/natural-polymer composites, and stimuli-responsive formulations. We conclude that PHAs are scientifically well positioned but institutionally under-validated for veterinary translation, and we outline a concrete research agenda to close this gap.
  • listelement.badge.dso-type Item , listelement.badge.access-status Open Access ,
    Physicochemical, Quality, Antioxidant and Sensory Attributes of Innovative Functional White Pan Bread Manufactured from Wheat Flour Fortified with Broccoli Plant Parts
    (MDPI, 2026-09-25) Murariu, Otilia-Cristina; Calistru, Anca-Elena; Murariu, Florin; Cârlescu, Petru-Marian; Stoica, Florina; Albu, Aida; Golubkina, Nadezhda; Caruso, Gianluca; Frunză, Gabriela
    Innovative aliments obtained upon integration of plant-based ingredients for producing nutraceutical-enriched functional food under the perspective of sustainable management have been drawing increasing importance within the scientific community. Research was conducted to evaluate the effects of the addition of broccoli plant part powder (stalks and inflorescences) at different concentrations (3%, 5% and 10%) into dough on textural, porosity, quality, antioxidant and sensory characteristics of ‘White Pan Bread’. The rising addition (from 3 to 10%) of broccoli stalks and inflorescences into ‘White Pan Bread’ led to a gradual decrease in most textural properties and color components of dough, crumb and crust, as well as dry matter and water activity. Contrary, mineral substances, pH, acidity, and the antioxidant compounds and activities showed increasing trend. Among the sensory features, the scores of general bread aspect as well as crumb texture, structure, aeration, sweetness and aroma aspects decreased with the increasing broccoli powder integration. The latter augmentation fostered crust and crumb flexibility, freshness, sulfur, cruciferous and plant notes. Overall, manufacturing broccoli-enriched bread allows to create a novel functional aliment with less crumb softness and color intensity, importantly characterized by enhanced mineral and bioactive properties within the sustainability framework.
  • listelement.badge.dso-type Item , listelement.badge.access-status Open Access ,
    Influence of stocking density on some water quality parameters and growth traits in angel fish (Pterophyllum skalare)
    (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2018) Çağiltay, F.; Atanasoff, A.; Nikolov, G.
    The trial was conducted in aquaria tanks with Angel fish (Pterophyllum skalare) for period of 60 days, to examine the effect of three stocking density on hydro chemical parameters and growth performances. The fish were stocked in three densities 40 (SD1), 80 (SD2) and 100 fish (SD3) per tank in tree replication. They were fed with a food containing 45% protein and food ratio of 3% of its body weight per day. Water quality parameters (T, pH, DО, NO3 and BOD) were recorded on a daily basis. Stock densities had a significant impact on dissolved oxygen (DO), biological oxygen demand (BOD). Changes in pH and nitrates concentrations were insignificant (P>0.05). During the study period, measured values of the hydro chemical parameters were within the effluent limits for ornamental fish. Finally, the body weight was insignificantly affected by water quality and stocking density.
  • listelement.badge.dso-type Item , listelement.badge.access-status Open Access ,
    Studies regarding the chemical composition of some poultry edible organs
    (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2018) Druc, Paula-Viorela; Irimia Gavrilescu, Carmen; Spridon, C.; Usturoi, Marius-Giorgi
    Even if at world level are consumed important quantities of poultry organs, research regarding their quality are extremely rare. The aim of the study was to establish if are some correlations between slaughtering age of poultry and chemical composition of two edible organs (heart and gizzard). So were settled up 6 experimental batches (3 for gizzards and 3 for hearts), differencing by the age of slaughtered poultries, as follows: P1 and I1 = gizzards and hearts gathered from chickens slaughtered at 35 days; P2 and I2 = gizzards and hearts gathered from chickens slaughtered at 40 days; P3 and I3 = gizzards and hearts gathered from chickens slaughtered at 42 days. Determinations were made on fresh products and aimed content in water, dry matter, proteins and NES; also we calculate the energetic value. Regarding protein content of gizzards and hearts, our data shown a decreasing of the values at the same time with the increasing of slaughtering age; the differences between those 3 batches being without statistical significance (P˃0.05). Regarding fat content, both for hearts and gizzards, the best values were founded at chickens slaughtered at 42 days, higher with 0.91–2.78% in case of hearts and with 3.08–7.20% for gizzards face to the situation for the others slaughtering. Statiscally speaking, the differences were very significant (P<0.01) for gizzards (P1 vs. P3) as well as for hearts (I1 vs. I3). Through the obtained results for hybrid Ross 308, we could say that slaughtering age didn’t influence very significant the chemical composition of gizzards and hearts, with the exception of fat content, which increase with increasing of slaughtering age.
  • listelement.badge.dso-type Item , listelement.badge.access-status Open Access ,
    Research on the meat yield of grey guinea fowl (Numida meleagris)
    (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2018) Roşca, D.C.; Usturoi, Marius-Giorgi
    Intensive rearing of Guinea fowl has great development perspectives, due to consumers’ increasing demand the meat and eggs yielded by this species, as well as to their high valuable biological features. The goal of the paper was to assess the quantitative meat production, on a biological material group of 50 heads of Guinea fowl, procured from a local breeder. Certain traits were investigated: live weight, fresh and refrigerated carcass weight, dressed yield on fresh and maturated carcass and, finally, the proportion of cut parts in whole carcass formation. These parameters have been assessed in accordance with the recognized poultry science methodology. The data was statistically analyzed using ANOVA (Analysis of variance). By the end of the experiment, the fowl body weight was measured within the 1645.76g – 2250.32g limits. Dressed yield, calculated on refrigerated carcass basis was 5.38% lower than the one calculated right after slaughtering (fresh carcass). Concerning the carcass cut parts proportion, the best results were noticed in the female individuals for breast (28.44%) and thighs (14.09%), while the males provided better developed shanks (12.08%), wings (12.27%), back (27.51%), head (5.12 %) and feet (3.23%). Rearing of Guinea fowl could become a reliable business if modern technology and high quality biological material are used together, knowing that the meat yielded by this species is more and more demanded throughout the world.