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Safety and efficacy of a feed additive consisting of a tincture derived from the aerial parts of Filipendula ulmaria (L.) Maxim. (meadowsweet 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 aerial parts of Filipendula ulmaria (L.)...

Rice straw for ruminants: processing technologies, nutritive value, feeding responses and environmental trade-offs

- Rice straw is an abundant roughage resource for ruminants, but low crude protein, lignified and silicified cell walls, and limited fermentable energy constrain intake and nutrient utilization. This...

PS4-3. Development of a Targeted TYRP1 Exon Sequencing Approach to Investigate Moorit and Muddy Moorit Wool Color in Wensleydale Sheep.

29/09/2026 - The moorit (brown) wool color is highly valued in heritage fiber markets and was presumed lost in Wensleydale sheep since 1924. However, this phenotype re-emerged in 2013 within a Wensleydale flock...

205. Tail Docking by Hot-iron Cauterization: Healing Progression of Lambs Docked at Birth or Five Weeks of Age.

29/09/2026 - Tail docking using a heated cautery iron is a common husbandry practice on sheep farms and is typically performed within the first two months of life. However, little is known about wound healing...

91. Selection for Low Residual Feed Intake Is Only Justified in Long-Fed Cattle.

29/09/2026 - Over 30 years ago I modelled crossbred sheep and cattle growth using a modified Gompertz curve. The cattle trial evaluated GxE by raising the cattle on Low, Medium or High quality pasture. On High...

PS9-11. Effect of Including Leucaena, Gliricidia, and Guazuma Leaves on Intake, Digestibility, and Methane Emission in Sheep.

29/09/2026 - The objective was to evaluate the inclusion of Leucaena leucocephala, Gliricidia sepium, and Guazuma ulmifolia leaves in a low-quality forage-based diet to determine intake, nutrient digestibility,...

PS10-26. Retail Meat Cut Yield and Meat Quality of Light Weight and Heavy Weight, Intact or Castrated Crossbred Lambs Fed Diets Containing Direct-fed Microbial Additives.

29/09/2026 - Enhancing retail meat-cut yield and lamb meat quality is important for meeting consumer preferences and improving the value of lamb products. Feed additives, animal type (AT), and initial body weight...

PS10-23. Genomic Identification of the Most Common Sheep Gastrointestinal Nematodes in Missouri.

29/09/2026 - Gastrointestinal nematode infections significantly impact sheep and goat production, making precise species identification crucial for effective parasite monitoring and management. Traditional...

PS10-24. Utilization of Deciduous Tree Leaf Meal as a Component of a Complete Diet.

29/09/2026 - Non-traditional feeds are utilized in animal agriculture as a method of reducing feed costs. Given their relative abundance, chemical and nutritional composition, and a sound understanding of how to...

PS7-28. Impact of Sire and Donor on in vitro Embryo Production Efficiency in Small Ruminants: A Large-scale Commercial Analysis.

29/09/2026 - The objective of this retrospective study was to evaluate and quantify the direct impact of sire (semen source) and donor (oocyte competence) effects on cleavage rates, Embryo Development Rate (EDR),...

329. Purified Flavonoids Alter Vascular Hemodynamics Alleviating Fescue Toxicosis in Sheep.

29/09/2026 - Research has consistently demonstrated that supplementation with flavonoid containing legumes (red clover, white clover, and soybean) can reverse vasoconstriction, improve growth, and impart...

288. Award Talk: Amelioration of Heat Stress Using Dietary Mineral (selenium and Chromium) Supplementation.

29/09/2026 - Climate change is expected to increase the risk of heat stress for livestock in many parts of the world, with significant consequences for animal health, productivity, welfare and agricultural...

PS4-19. Yearling-ewe Insulin Sensitivity After Mid-gestation Maternal Heat Stress.

29/09/2026 - Nineteen yearling ewes born from either nine gestational heat stress ewes or from nine gestational thermoneutral ewes were evaluated to determine insulin resistance. Ewes were randomly assigned to...

PS9-13. Dietary Ergovaline Concentrations Did Not Alter Responses to Haemonchus contortus Infections in Hair Sheep.

29/09/2026 - Gastrointestinal nematodes are a major challenge for small ruminant producers, especially in the southeastern U.S. Immune responses to the barber’s pole worm (Haemonchus contortus) may be...

PS11-27. Using a Competitive Card Game to Teach Breeding and Genetics Through Systems-level Thinking.

29/09/2026 - Teaching practical livestock breeding and genetics to undergraduate students presents challenges due to the long-term nature of genetic decision-making and the difficulty of linking theoretical...

PS8-27. Long-term Impact of a High-starch Diet Early in Life on Feeding Behavior and Rumination in Sheep.

29/09/2026 - We aimed to determine the long-term effects of a high-starch diet early in life on feeding behavior and rumination in individually housed sheep. Fifty-four male lambs (5-15 days of age; 3 batches)...

PS7-13. Impact of Educational Videos on Milk Production Knowledge Among Public Schools Students in Puerto Rico.

29/09/2026 - The United States Department of Agriculture Distance Education Grants Program (DEG) supports initiatives that strengthen agricultural education in insular regions through accessible educational...

68. Impact of Transitioning to Adaptive Multi-paddock Grazing on Soil Carbon and Ruminant Greenhouse Gas Footprint in the Southeastern US.

29/09/2026 - Adaptive multi-paddock (AMP) grazing has been proposed as a strategy to reduce the greenhouse gas (GHG) footprint of beef production by enhancing soil organic carbon (SOC) accrual. Few life cycle...

PS11-1. Effect of Heat Stress on the Transcriptome of Lambs During the Weaning Period.

29/09/2026 - This study investigated the impact of heat stress on the transcriptomic profile of Florida Cracker lambs. Twenty-four lambs were randomly assigned to either a heat stress (HT; n?=?12) or cooling...

PS12-6. Hematological and Rheological Determinants of Species-specific Blood Dispersion Patterns for Automated Anemia Detection in Livestock.

29/09/2026 - Anemia alters hemoglobin concentration, erythrocyte distribution, and blood rheology, leading to measurable changes in fluid dispersion behavior. This study investigated the influence of...

PS4-5. The Impact of Poor Maternal Nutrition on Mitochondrial Regulatory Factors of Sheep Offspring.

29/09/2026 - Poor maternal nutrition, over- and restricted- feeding ewes during gestation detrimentally impact offspring growth and development. We previously demonstrated that poor maternal nutrition in sheep...

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