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340 articles for “significant differences”
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Research ArticleOpen accessIn the abstractSuperovulation Response and Embryo Quality Recovered Following Flushing Nguni Heifers and CowsAyanda Maqhashu, Masindi L. Mphaphathi, Pokgedi J Sebei et al.The aims of the study were to compare super ovulatory response, fertilization rate and evaluate embryo quality recovered from super ovulated Nguni stud cows and heifers. Nguni cows (n = 15) and heifers (n = 10) aged 4-6 and 2 years, respectively, were used as embryo donors. Embryo donors were synchronized for estrus before superovulation. For superovulation donors were administered … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 4 · 25 Nov 2021 · 6,431 accessesView PDFCite
Research ArticleOpen accessIn the abstractInfluence of Intracellular Reactive Oxygen Species in Several Spermatozoa Activity in Indonesian Ongole Bull Cryopreserved SpermKurniawan Dwi Prihantoko, Asmarani Kusumawati, Mulyoto Pangestu et al.Certain factors may affect sperm motility and integrity in a freezing process. Reactive Oxygen Species (ROS) is essential in damaging the sperm, as the previous study revealed that ROS is a major cause damaging the membrane of spermatozoa. This study aimed to understand ROS production and its interaction within the motility, mitochondrial activity and DNA damage to the cryopreservation process … …American Journal of Animal and Veterinary Sciences, Vol. 17, Issue 1 · 26 Jan 2022 · 6,842 accessesView PDFCite
Research ArticleOpen accessIn the abstractUsability Assessment of E-Commerce Systems Using McCall’s Quality ModelSiti Solehah Othman, A Noraziah, Roslina Mohd SidekE-commerce platforms rely fundamentally on business database transaction systems that must balance user experience with security and data integrity. Traditional usability assessment methodologies often overlook critical security elements and transactional integrity requirements. This study employs McCall's Quality Model to comprehensively evaluate the usability characteristics of three prominent e-commerce platforms: Temu, Shopee, and Lazada. Through structured task-based evaluations and Likert-scale questionnaires, … …Journal of Computer Science, Vol. 21, Issue 11 · 19 Dec 2025 · 2,541 accessesView PDFCite
Research ArticleOpen accessIn the abstractBreeding Progress in Mugalzhar Horses: The Irtysh Type as a Model for Meat Production EfficiencyAkimbekov Amin, Uskenov Rashit, Nurgulsim Kaster et al.The Mugalzhar horse breed holds significant value for meat production in Kazakhstan. Developed through targeted selection, the new Irtysh stud type demonstrates outstanding adaptation and productivity, with stallions reaching an average live weight of 486.1 kg and mares 463.4 kg, an increase of up to 73 kg compared to the original group. The coefficient of variation for live weight and … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 3 · 29 Nov 2025 · 2,613 accessesView PDFCite
Research ArticleOpen accessIn the abstractQuantitative Analysis of Hypothalamic Proline-Rich Peptide-1 in Blood Serum of Patients with Malignant TumorsNarine Tumasyan, Silva Abrahamyan, Nune Kocharyan et al.The proline-rich-peptides are a class of neurosecretory hypothalamic bioactive polypeptides derived from cattle and comprise the content of bovine posterior pituitary neurosecretory granules. These peptides are co-validated through a single precursor protein neurophysin-vasopressin-associated glycoprotein. Proline-Rich-Polypeptide-1 (PRP-1) is a 15-amino acid peptide with anti-neurodegenerative, immunoregulatory, hematopoietic, antimicrobial, and antitumor activity. The aim of this study, accordingly, is to elaborate an assay … …OnLine Journal of Biological Sciences, Vol. 25, Issue 4 · 27 Nov 2025 · 2,283 accessesView PDFCite
Research ArticleOpen accessIn the abstractToxicological Study of Hydroalcohol Leaf Extract of Acanthospermum hispidum (Asteraceae)Diallo Aboudoulatif, Dowou Salem, Badjabaissi Essotolom et al.Acanthospermum hispidum is a widely plant used in African traditional medicine. This study aims to assess cardiotoxicity and sub-chronic (28-days) oral toxicity of hydroalcohol leaf extract of A. hispidum. The sub-chronic toxicity was evaluated after administering daily oral doses of 500 and 1000 mg/kg body wt., for 28 days to the rats, biochemical and haematological assessments as well as body … …American Journal of Pharmacology and Toxicology, Vol. 15, Issue 1 · 16 Mar 2020 · 7,755 accessesView PDFCite
Research ArticleOpen accessIn the abstractHaemato-Biochemical Indices of Red Sokoto Goats Fed Various Levels of Earthworm Meal-Based DietsMoshood Adewale Belewu, Ling Shing Wong et al.Blood is essential to life and it is vital for the transportation of oxygen from the lungs to every cell of the body for metabolism purposes. Hence, blood samples were collected from thirty (30) healthy Red Sokoto goats fed an earthworm meal-based diet with ten goats per treatment constituting a replicate in a Completely Randomized design model to evaluate the … …OnLine Journal of Biological Sciences, Vol. 25, Issue 1 · 3 Dec 2024 · 4,963 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Use of Management and Hormonal Oestrous Synchronisation on Indigenous Sheep Reared ExtensivelyAyanda Maqhashu, Jabulani Nkululeko Ngcobo, Hester Adri O'Neill et al.As the global population increases, demand for animal products will result in increased livestock-related greenhouse gas emissions that contribute to climate change. One of the strategies for reducing this impact would be the improvement of indigenous livestock reproductive efficiency that are hardy and well adapted to harsh environmental regions. The use of reproductive technologies increases efficiency of animals necessary for … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 3 · 29 Aug 2024 · 4,778 accessesView PDFCite
Research ArticleOpen accessIn the abstractExperimental Assessment of Survival Rate of Artemia franciscana in Salt Waterbodies of Kazakhstan and Coexistence Possibility with the Local Species Artemia parthenogeneticaMoldir Aubakirova, Arailym Umirtayeva et al.The use of low-productive salt waterbodies for artemia production and increasing their productivity is a topical issue due to demands for Artemia cysts. One of the best representatives of Artemia, which will increase the productivity and value of low-productive salt waterbodies is Artemia franciscana. In this regard, the topically applied task is the experimental assessment of the survival rate of … …OnLine Journal of Biological Sciences, Vol. 24, Issue 4 · 30 Jul 2024 · 4,478 accessesView PDFCite
Research ArticleOpen accessIn the abstractSupplementation with Different Concentrations of Dithiothreitol and Glutathione During Cryopreservation of Semen from Large White BoarsMahlatsana Ramaesela Ledwaba, Masindi Lottus Mphaphathi et al.The study aims to compare different concentrations (0, 2.5, 5, 7.5 and 10 mM) of antioxidants, Dithiothreitol (DTT) and Glutathione (GSH), on sperm parameters following the freeze-thawing of semen from large white boars. Three large white boars were selected for semen collection and the collected semen was sent to the lab for analysis. Following dilution with Beltsville thawing solution and … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 3 · 3 Jun 2024 · 5,517 accessesView PDFCite