Oví

Oví

Detection of homozygosity and heterozygosity regions in mediterranean sheep breeds revealed by high-density SNP array
20/01/2026 - Genome-wide studies in livestock have become essential tools for investigating genetic diversity, population structure, and adaptive evolution. By leveraging high-density single nucleotide...
46?Maternal nutrition and developmental programming – lessons from livestock models
19/12/2025 - Our laboratories study “problems of pregnancy,” which include infertility, poor pregnancy outcomes (often reflected by fetal growth restriction and the accompanying low birthweight), and...
An early-life survival and reproductive trade-off shapes selection on body size
13/09/2025 - Evolutionary trade-offs—opposing trait effects on total fitness via different fitness components—are likely to be widespread. Some key trade-offs are expected to be the result of chains of...
Study on the Function of ID2 Gene in Granulosa Cells of Ovaries of Hetian Sheep and Its Correlation Analysis with Lambing Traits
12/11/2025 - Reproductive efficiency is a key determinant of sheep productivity, yet Hetian sheep remain limited by relatively low fecundity despite their adaptability to harsh environments. The inhibitor of DNA...
Appraisal of the Use of Proteomics Methodological Approaches and Technologies on Sheep and Goat Research and Clinical Work
20/10/2025 - This paper describes a detailed evaluation of published works, in which proteomics methodological approaches and technologies were used to advance knowledge about small ruminants. The specific...
Integrated Whole-Transcriptome Analysis to Elucidate the Core Regulatory Network of circRNA Involved in Ovarian Development and Reproductive Capacity Differences in Sheep: circRNA2058-miR-9226-5p-MET Axis
23/10/2025 - (1) Background: This study aims to systematically identify key candidate genes and the regulatory networks governing ovarian development in sheep breeds with divergent fecundity. Focusing on...
Novel Silent Mutations in the HIRA Gene Associated with Litter Size in Sonid Sheep
10/10/2025 - Improving ovine reproductive efficiency is an important breeding goal that could substantially enhance economic viability in the sheep industry. The histone cell cycle regulator (HIRA) gene has been...
From Questionnaires to Heatmaps: Visual Classification and Interpretation of Quantitative Response Data Using Convolutional Neural Networks
01/10/2025 - Structured quantitative data, such as survey responses in human resource management research, are often analysed using machine learning methods, including logistic regression. Although these methods...
260 Investigating the impacts of poor maternal nutrition on ewe lamb reproductive capacity.
04/10/2025 - Extensively managed ewes are often grazed through winter, which coincides with gestation and producers often supplement ewes at the end when nutrient demands are the highest, to support maternal...
PSI-21 Zinc oxide nanoparticles and their impacts on the normality, activation, development, viability, and oxidative stress of in vitro cultured preantral ovarian follicles.
04/10/2025 - The objective of this study was to evaluate the normality, activation, development, viability, and oxidative stress of in vitro cultured preantral ovarian follicles supplemented with zinc oxide...
Combination of Anti-Mycotoxin Additive in Diet Contaminated with Multiple Mycotoxins (Aflatoxin, Fumonisin, Zearalenone and Deoxynivalenol): Effects on Performance and Health of Lambs
28/09/2025 - During the grain and cereal production process, whether during harvesting, processing, or storage, errors can occur, compromising product quality and potentially leading to contamination by fungi,...
Reproductive Effects of Endocrine Disruptors in Domestic Ruminants: Integrating In Vitro and In Vivo Evidence
16/09/2025 - Endocrine-disrupting chemicals (EDCs) have raised increasing concern due to their potential effects on reproductive health. This review focuses on the impact of EDCs, particularly bisphenol A (BPA)...
Candidate Genes, Markers, Signatures of Selection, and Quantitative Trait Loci (QTLs) and Their Association with Economic Traits in Livestock: Genomic Insights and Selection
08/08/2025 - This review synthesizes advances in livestock genomics by examining the interplay between candidate genes, molecular markers (MMs), signatures of selection (SSs), and quantitative trait loci (QTLs)...
Is hemp (Cannabis sativa) safe to feed pregnant sheep?
22/07/2025 - ABSTRACTCannabis sativa (varieties for industrial use or animal feed are termed hemp), and its extracted byproducts are being considered for animal feed due to their high protein content. However, if...
Safety and efficacy of a feed additive consisting of a tincture derived from the flowers of Lavandula angustifolia Mill. (lavender tincture) for use in all animal species (FEFANA asbl)
- AbstractFollowing a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of a tincture from the flowers of Lavandula angustifolia Mill....
Safety and efficacy of a feed additive consisting of a tincture derived from the leaves of Ocimum basilicum L. (basil tincture) for use in all animal species (FEFANA asbl)
- AbstractFollowing a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of a tincture from the leaves of Ocimum basilicum L. (basil...
Melatonin Implantation Improves the Reproductive Performance of Estrus-Synchronized Ewes During Seasonal Anestrus and Enhances the Antioxidant and Steroidogenic Capacities of Granulosa and Luteal Cells
21/07/2025 - Seasonal reproduction in sheep reduces reproductive efficiency. Melatonin (MT) plays a crucial role in reproductive processes. The purpose of this study was to assess the effects of a 5-day MT...
Taxonomic Profile of Cultivable Microbiota from Adult Sheep Follicular Fluid and Its Effects on In Vitro Development of Prepubertal Lamb Oocytes
02/07/2025 - The aims of the present study were to analyze the taxonomic profile and to evaluate the functional effects of sheep FF cultivable microbiota on prepubertal lamb oocytes PLOs developmental potential....
45 The effects of N-carbamylglutamate and melatonin supplementation on testicular morphometrics of peripubertal Dorper lambs experiencing heat stress
17/06/2025 - Exposure to elevated environmental temperatures during the peripubertal period of male small ruminants fosters restricted growth of secondary sex characteristics, denoting poor reproductive...
124 Breeds, breeding practices, and health management of sheep flocks in Arkansas, USA
17/06/2025 - The sheep industry is growing in Arkansas. The inventory has increased by 9% annually in the last five years. However, information about production systems is scarce. An online survey was conducted...
Toll-like Receptor Expression Patterns in the Female Reproductive Tract of Sheep
09/06/2025 - Toll-like receptors (TLRs) play crucial roles in innate immunity, but their function in reproduction remains poorly understood. This study investigated the expression patterns and localization of...