{"id":6902,"date":"2026-07-28T08:53:23","date_gmt":"2026-07-28T06:53:23","guid":{"rendered":"https:\/\/www.deltavit.com\/blog\/late-summer-calving-how-can-we-help-calves-stay-healthy-despite-heat-stress\/"},"modified":"2026-07-29T14:25:46","modified_gmt":"2026-07-29T12:25:46","slug":"bluetongue-ehd-biting-insects-supporting-herd-performance-starts-in-the-pasture","status":"publish","type":"actualite","link":"https:\/\/www.deltavit.com\/en\/news\/bluetongue-ehd-biting-insects-supporting-herd-performance-starts-in-the-pasture\/","title":{"rendered":"Bluetongue, EHD, biting insects: Supporting herd performance starts in the pasture"},"content":{"rendered":"<\/div>\n<div id=\"block-hero-block_96a80b9852ab9e6b23fe89d2e78a6b8f\" class=\"container-fluid page_header_banner_part  block-hero\"  style=\"background: url(https:\/\/www.deltavit.com\/wp-content\/uploads\/fond-blog.png) no-repeat center \/ cover;\" >\n    <div class=\"container\">\n        <div class=\"row\">\n            <div class=\"col-12\">\n                <nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav>            <\/div>\n        <\/div>\n        <div class=\"row justify-content-center\">\n            <div class=\"col-12 col-md-8 text-center\">\n                \n                <h1>Bluetongue, EHD, biting insects: Supporting herd performance starts in the pasture<\/h1>\n                            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n<div class=\"container\">\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">With the spread of bluetongue and EHD, combined with the extended activity periods of insect vectors, the summer of 2026 serves as a reminder that biting insects <strong>are much more than just a nuisance<\/strong> on pastures. Dairy cattle, beef cattle, sheep, and goats are now facing <strong>pressures<\/strong> that can directly affect their <strong>well-being<\/strong> and <strong>performance<\/strong>. <\/p>\n<\/div><\/div>\n<div style=\"height:8px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<div class=\"row\"><div class=\"col-12 heading\">\n<h3 class=\"wp-block-heading\">An impact on performance that is often underestimated<\/h3>\n<\/div><\/div>\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">Long before any health problems arise, insects profoundly disrupt animal behavior.<\/p>\n<\/div><\/div><div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">An animal bothered by stomach flies or horseflies spends less time grazing, reduces its rest periods, and <strong>expends more energy defending itself.<\/strong> Constant tail swishing, head movements, gathering in shaded areas, or constant movement are all behaviors that reduce feed efficiency.<\/p>\n<\/div><\/div><div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">The consequences can quickly become <strong>apparent<\/strong>:<\/p>\n<\/div><\/div>\n<ul class=\"wp-block-list\">\n<li>  Decline in milk production;<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>  Slower growth in heifers and young cattle;<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>  Decrease in the average daily gain of feedlot cattle;<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>  Increased energy expenditure associated with defensive behaviors.<\/li>\n<\/ul>\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">These problems come on top of an already challenging summer season, during which animals often have <strong>to<\/strong> cope simultaneously <strong>with<\/strong> the <strong>heat, declining grass quality, and parasite pressure.<\/strong><\/p>\n<\/div><\/div>\n<div style=\"height:7px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<div class=\"row\"><div class=\"col-12 heading\">\n<h3 class=\"wp-block-heading\">2026: Increased Vigilance Against Insect Vectors<\/h3>\n<\/div><\/div>\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">Today, the issue goes beyond the simple question of animal comfort.<\/p>\n<\/div><\/div><div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">Culicoides, which have been closely monitored in recent years, are the primary vectors of diseases such as <strong>bluetongue (BT) and epizootic hemorrhagic disease (EHD)<\/strong>. Their activity now extends over longer periods than in the past, underscoring the need to implement a comprehensive risk management strategy for pastures. <\/p>\n<\/div><\/div><div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">In this context, every measure that helps improve animal welfare and mitigate the effects of insect pressure <strong>takes on greater significance.<\/strong><\/p>\n<\/div><\/div>\n<div style=\"height:7px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<div class=\"row\"><div class=\"col-12 heading\">\n<h3 class=\"wp-block-heading\">New Aiolyx\u00ae Formula: A Multi-Ingredient Approach to Support Ruminants on Pasture<\/h3>\n<\/div><\/div>\n<div style=\"height:11px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">Deltavit is upgrading <strong>Aiolyx\u00ae<\/strong> with a new-generation formula based on <strong>a complex of synergistic active ingredients.<\/strong><\/p>\n<\/div><\/div>\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-8f761849 wp-block-group-is-layout-flex\"><div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">The major change lies in a more <strong>comprehensive <\/strong> approach <strong>: <\/strong> garlic is no longer used as the sole key ingredient but as <strong>one of the components of a strategy that combines several aromatic substances.<\/strong><br\/>The new formula combines, in particular:<\/p>\n<\/div><\/div><\/div>\n\n<ul class=\"wp-block-list\">\n<li>Garlic powder and garlic oil, sources of active sulfur compounds;<\/li>\n\n\n\n<li>Oregano essential oil rich in carvacrol and thymol;<\/li>\n\n\n\n<li>An absinthe tincture;<\/li>\n\n\n\n<li>A quillaja extract;<\/li>\n\n\n\n<li>A blend of carefully selected aromatic substances.<\/li>\n<\/ul>\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">This combination is designed to <strong>support performance in the presence of insects.<\/strong><br\/>The goal remains the same: to support the animals during periods of high insect pressure so they can devote <strong>more time to feeding, rumination, and rest.<\/strong><\/p>\n<\/div><\/div>\n<div style=\"height:8px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<div class=\"row\"><div class=\"col-12 heading\">\n<h3 class=\"wp-block-heading\">A Summer Ally for Cattle and Small Ruminant Farms<\/h3>\n<\/div><\/div>\n<div style=\"height:11px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">Available in the form of a lick block, <a href=\"https:\/\/www.deltavit.com\/produit\/aiolyx\/\">Aiolyx\u00ae<\/a> easily integrates into pasture herd management. It provides energy, vitamins, and trace minerals while supporting a <strong>comprehensive approach to helping<\/strong> animals cope with summer nuisances. <\/p>\n<\/div><\/div>\n<div style=\"height:8px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\"><strong>In 2026, while insect pressure remains a major concern for livestock producers, animal comfort is emerging as a key performance driver in its own right. With its new multi-active ingredient formula, Aiolyx\u00ae offers an innovative solution to support ruminants throughout the grazing season. <\/strong><\/p>\n<\/div><\/div>\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1032\" height=\"1033\" src=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/AdobeStock_370742417_retouchee-7-edited.png\" alt=\"\" class=\"wp-image-6934\" srcset=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/AdobeStock_370742417_retouchee-7-edited.png 1032w, https:\/\/www.deltavit.com\/wp-content\/uploads\/AdobeStock_370742417_retouchee-7-edited-300x300.png 300w, 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https:\/\/www.deltavit.com\/wp-content\/uploads\/AdobeStock_370742417_retouchee-7-edited-100x100.png 100w\" sizes=\"(max-width: 1032px) 100vw, 1032px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3737307-Montbeliardes-edited-1024x1024.jpg\" alt=\"\" class=\"wp-image-6928\" srcset=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3737307-Montbeliardes-edited-1024x1024.jpg 1024w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3737307-Montbeliardes-edited-300x300.jpg 300w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3737307-Montbeliardes-edited-150x150.jpg 150w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3737307-Montbeliardes-edited-768x768.jpg 768w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3737307-Montbeliardes-edited-1320x1320.jpg 1320w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3737307-Montbeliardes-edited-990x990.jpg 990w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3737307-Montbeliardes-edited-660x660.jpg 660w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3737307-Montbeliardes-edited-450x450.jpg 450w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3737307-Montbeliardes-edited-330x330.jpg 330w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3737307-Montbeliardes-edited-180x180.jpg 180w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3737307-Montbeliardes-edited-500x500.jpg 500w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3737307-Montbeliardes-edited-100x100.jpg 100w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3737307-Montbeliardes-edited.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Designer-2-1-edited.jpg\" alt=\"\" class=\"wp-image-6927\" srcset=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Designer-2-1-edited.jpg 1024w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Designer-2-1-edited-300x300.jpg 300w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Designer-2-1-edited-150x150.jpg 150w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Designer-2-1-edited-768x768.jpg 768w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Designer-2-1-edited-990x990.jpg 990w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Designer-2-1-edited-660x660.jpg 660w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Designer-2-1-edited-450x450.jpg 450w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Designer-2-1-edited-330x330.jpg 330w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Designer-2-1-edited-180x180.jpg 180w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Designer-2-1-edited-500x500.jpg 500w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Designer-2-1-edited-100x100.jpg 100w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>With the spread of bluetongue and EHD, combined with the extended activity periods of insect vectors, the summer of 2026 serves as a reminder that biting insects are much more than just a nuisance on pastures. Dairy cattle, beef cattle, sheep, and goats are now facing pressures that can directly affect their well-being and performance. 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