{"id":5259,"date":"2026-03-30T14:53:06","date_gmt":"2026-03-30T12:53:06","guid":{"rendered":"https:\/\/www.deltavit.com\/?post_type=actualite&#038;p=5259"},"modified":"2026-04-10T15:48:45","modified_gmt":"2026-04-10T13:48:45","slug":"heat-stress-in-ruminants-what-are-the-effects-on-the-animals","status":"publish","type":"actualite","link":"https:\/\/www.deltavit.com\/en\/news\/heat-stress-in-ruminants-what-are-the-effects-on-the-animals\/","title":{"rendered":"Heat stress in ruminants: what are the effects on the animals?"},"content":{"rendered":"<\/div>\n<div id=\"block-hero-block_0e817ef34c53b35a51f148b8f0cdf3ff\" 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>Heat stress in ruminants: what are the effects on the animals?<\/h1>\n                            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n<div class=\"container\">\n\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\"><strong>Heat stress in ruminants<\/strong>, and particularly in <strong>dairy cows<\/strong>, has become a major challenge for farms. With frequent, intense and prolonged hot spells, the impact on <strong>reproduction<\/strong>, <strong>animal health<\/strong> and <strong>farm profitability<\/strong> is becoming increasingly significant.<\/p>\n<\/div><\/div>\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">Long before it affects milk production, heat stress directly impacts fertility. Understanding its mechanisms and implementing <strong>appropriate solutions<\/strong>, particularly nutritional ones, is now essential to ensure consistent performance on farms<strong>.<\/strong><\/p>\n<\/div><\/div>\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 heading\">\n<h2 class=\"wp-block-heading\">Heat stress in dairy cows : fast effects on reproduction<\/h2>\n<\/div><\/div>\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">Heat stress occurs when an animal\u2019s thermoregulatory capacity is exceeded. When the <strong>THI<\/strong> <strong><em>(Temperature Humidity Index)<\/em> exceeds 72<\/strong>, the cow\u2019s physiological functioning changes significantly: <strong>panting, vasodilation, increased respiratory rate and<\/strong> <strong>reduced feed intake<\/strong>.<\/p>\n<\/div><\/div>\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">This adaptation helps to maintain body temperature, but it comes at the expense of key functions, particularly <strong>reproduction<\/strong>. The cow then shifts its metabolism towards survival, disrupting ovulation and weakening the uterine microenvironment, which increases the risk of insemination fail.<\/p>\n<\/div><\/div>\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\"><strong>High-yielding cows<\/strong> are particularly susceptible: the higher the milk yield, the greater the metabolic heat generated, increasing the impact of heat stress.<\/p>\n<\/div><\/div>\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 heading\">\n<h3 class=\"wp-block-heading\">A fast drop in conception rates as the THI increases<\/h3>\n<\/div><\/div>\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:60% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-1-1024x576.png\" alt=\"\" class=\"wp-image-5539 size-full\" srcset=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-1-1024x576.png 1024w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-1-300x169.png 300w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-1-768x432.png 768w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-1-990x557.png 990w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-1-660x371.png 660w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-1-450x253.png 450w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-1-330x186.png 330w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-1-180x101.png 180w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-1-500x281.png 500w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-1.png 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\"><div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\"><em>Thermal stress effect: rapid decline in conception rates as the THI increases<\/em><\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">Scientific data show that <strong>reproduction is affected early and more severely than milk production<\/strong>. Between the cool season and the warm season, the pregnancy rate can drop by <strong>15 percentage points<\/strong>, with a significant increase in early embryonic losses.<\/p>\n<\/div><\/div>\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">From the first oestrus, fertility thus becomes one of the first areas to be compromised in the herd, often before any visible signs affecting milk production are observed.<\/p>\n<\/div><\/div>\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 heading\">\n<h3 class=\"wp-block-heading\">HEAT stress and reproduction: visible effects from the very first days<\/h3>\n<\/div><\/div>\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">Heat stress affects several stages of the reproductive cycle:<\/p>\n<\/div><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>From day 0 to day 7 after insemination<\/strong>, ovocyte maturation is disrupted. The ovocyte is no longer maintained at a stable temperature, which affects its metabolism.<\/li>\n\n\n\n<li><strong>From day 7 to day 31<\/strong>, a critical period for implantation, the embryo becomes extremely sensitive. Embryonic losses are up to <strong>five times more frequent during the summer months<\/strong>.<\/li>\n\n\n\n<li>The <strong>reduction in feed intake<\/strong> leads to an energy deficit, reducing the availability of nutrients essential for reproduction.<\/li>\n\n\n\n<li>Towards the end of gestation, heat stress can result in a <strong>reduction in calf birth weight of around 4 kg<\/strong>, with a weaker immune system.<\/li>\n<\/ul>\n\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">The economic consequences are significant:<\/p>\n<\/div><\/div>\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\"><strong>+20 to +40 days of non-pregnancy<\/strong>, <strong>+1 to +2 additional inseminations<\/strong> per successful AI, a longer calving interval and an <strong>estimated cost of between \u20ac100 and \u20ac200 per cow per year<\/strong>.<\/p>\n<\/div><\/div>\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"5217\" src=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_13181010_Subscription_XL-1024x683.jpg\" alt=\"\" class=\"wp-image-5217\" srcset=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_13181010_Subscription_XL-1024x683.jpg 1024w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_13181010_Subscription_XL-300x200.jpg 300w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_13181010_Subscription_XL-768x512.jpg 768w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_13181010_Subscription_XL-1536x1024.jpg 1536w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_13181010_Subscription_XL-1900x1267.jpg 1900w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_13181010_Subscription_XL-1320x880.jpg 1320w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_13181010_Subscription_XL-990x660.jpg 990w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_13181010_Subscription_XL-660x440.jpg 660w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_13181010_Subscription_XL-450x300.jpg 450w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_13181010_Subscription_XL-330x220.jpg 330w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_13181010_Subscription_XL-180x120.jpg 180w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_13181010_Subscription_XL-500x333.jpg 500w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_13181010_Subscription_XL.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"681\" data-id=\"5219\" src=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3916394-Montbeliardes-1024x681.jpg\" alt=\"\" class=\"wp-image-5219\" srcset=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3916394-Montbeliardes-1024x681.jpg 1024w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3916394-Montbeliardes-300x200.jpg 300w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3916394-Montbeliardes-768x511.jpg 768w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3916394-Montbeliardes-1536x1022.jpg 1536w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3916394-Montbeliardes-1900x1264.jpg 1900w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3916394-Montbeliardes-1320x878.jpg 1320w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3916394-Montbeliardes-990x658.jpg 990w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3916394-Montbeliardes-660x439.jpg 660w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3916394-Montbeliardes-450x299.jpg 450w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3916394-Montbeliardes-330x219.jpg 330w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3916394-Montbeliardes-180x120.jpg 180w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3916394-Montbeliardes-800x532.jpg 800w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3916394-Montbeliardes-500x333.jpg 500w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia-3916394-Montbeliardes.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"685\" data-id=\"5221\" src=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_3993333_Subscription_XL_modifie-1024x685.jpg\" alt=\"\" class=\"wp-image-5221\" srcset=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_3993333_Subscription_XL_modifie-1024x685.jpg 1024w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_3993333_Subscription_XL_modifie-300x201.jpg 300w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_3993333_Subscription_XL_modifie-768x514.jpg 768w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_3993333_Subscription_XL_modifie-1536x1028.jpg 1536w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_3993333_Subscription_XL_modifie-1900x1272.jpg 1900w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_3993333_Subscription_XL_modifie-1320x883.jpg 1320w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_3993333_Subscription_XL_modifie-990x663.jpg 990w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_3993333_Subscription_XL_modifie-660x442.jpg 660w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_3993333_Subscription_XL_modifie-450x301.jpg 450w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_3993333_Subscription_XL_modifie-330x221.jpg 330w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_3993333_Subscription_XL_modifie-180x120.jpg 180w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_3993333_Subscription_XL_modifie-500x335.jpg 500w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Fotolia_3993333_Subscription_XL_modifie.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 heading\">\n<h2 class=\"wp-block-heading\">Nutritional solutions to reduce the effects of heat stress<\/h2>\n<\/div><\/div>\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">Heat stress management in farms cannot rely solely on ventilation or the comfort of the building. <strong>Nutrition<\/strong> is a key factor in supporting animals during hot weather.<\/p>\n<\/div><\/div>\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 heading\">\n<h3 class=\"wp-block-heading\">Thermoplus\u00ae: Helps improve animal comfort<\/h3>\n<\/div><\/div>\n\n\n<div style=\"height:6px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">Trials conducted with <strong>Thermoplus\u00ae<\/strong> show a <strong>significant reduction in the time spent with a vaginal temperature above 39 \u00b0C<\/strong>, indicating improved thermoregulation.<\/p>\n<\/div><\/div>\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">The results on the field speak for themselves:<\/p>\n<\/div><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>+23 percentage points in pregnancy rates<\/strong> in a Mexican herd exposed to a THI of 72 to 78,<\/li>\n\n\n\n<li>A significant improvement in reproductive performance in Spain (<strong>+93% in relative pregnancy rates<\/strong>),<\/li>\n\n\n\n<li>A <strong>reduction in the number of AI attempts per successful insemination<\/strong>.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-2.png\" alt=\"\" class=\"wp-image-5544\" style=\"aspect-ratio:1;object-fit:cover;width:530px;height:auto\" srcset=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-2.png 1280w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-2-300x169.png 300w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-2-1024x576.png 1024w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-2-768x432.png 768w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-2-990x557.png 990w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-2-660x371.png 660w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-2-450x253.png 450w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-2-330x186.png 330w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-2-180x101.png 180w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Graph-2-Article-de-Blog-1-2-500x281.png 500w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n<\/div>\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\"><strong>Thermoplus\u00ae<\/strong> also supports feed intake and helps to stabilise energy balance, two factors that are essential for the quality of ovulation and embryo survival. By regulating heat stress, feed intake and hormonal balance, <strong>Thermoplus\u00ae<\/strong> is an effective tool for ensuring performance during the summer months.<\/p>\n<\/div><\/div>\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">Available in various forms (powder, pellets), <strong>Thermoplus\u00ae<\/strong> meets the needs of animals during <strong>drying-off, lactation or fattening<\/strong>.<\/p>\n<\/div><\/div>\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<div style=\"height:6px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\"><strong><strong>Discover the video on our Thermo\u00ae range<\/strong><\/strong><\/p>\n<\/div><\/div><\/blockquote>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=MRZrq9t9K_o&amp;t=4s\" data-type=\"link\" data-id=\"https:\/\/www.youtube.com\/watch?v=MRZrq9t9K_o&amp;t=4s\" target=\"_blank\" rel=\"noopener\">See video<\/a><\/li>\n<\/ul>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.deltavit.com\/en\/product\/thermoplus\/\">See the product THERMOPLUS\u00ae<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:17px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 heading\">\n<h3 class=\"wp-block-heading\">HYDRAPLUS<\/h3>\n<\/div><\/div>\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">For the first few weeks of life, Hydraplus, a milk-dispersible solution, complements the range by providing <strong>specific support for young animals<\/strong> exposed to thermal stress.<\/p>\n<\/div><\/div>\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.deltavit.com\/en\/product\/hydraplus\/\">See the product HYDRAPLUS<\/a><\/div>\n<\/div>\n<\/blockquote>\n<\/blockquote>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 heading\">\n<h2 class=\"wp-block-heading\">Testimonials from farmers: concrete results in the field<\/h2>\n<\/div><\/div>\n\n\n<div style=\"height:13px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">The solutions in the Thermo\u00ae range prove their effectiveness directly on the farm.<\/p>\n<\/div><\/div>\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\"><strong>Damien<\/strong>, <strong>a farmer in the Ard\u00e8che<\/strong> <strong>region (France) <\/strong>:<\/p>\n<\/div><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=gg17hBdC3RM\" target=\"_blank\" rel=\"noopener\">see video<\/a><\/li>\n<\/ul>\n\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\"><strong>GAEC Parais \u2013 Jean-Philippe PARAIS<\/strong><\/p>\n<\/div><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.deltavit.com\/en\/news\/delta-thermoplus-no-more-drop-in-feed-intake-or-milk-breeder-testimony\/\">See the testimony<\/a><\/li>\n<\/ul>\n\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\"><strong>GAEC de la Hussaudi\u00e8re \u2013 Anne et Jean-Louis THOMAS<\/strong><\/p>\n<\/div><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.deltavit.com\/en\/news\/delta-thermoplus-milk-production-is-maintained-breeder-testimony\/\">See the testimony<\/a><\/li>\n<\/ul>\n\n\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\" style=\"flex-basis:100%\">\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-full\"><img decoding=\"async\" width=\"572\" height=\"406\" src=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Photo-eleveur.jpg\" alt=\"\" class=\"wp-image-5238\" srcset=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/Photo-eleveur.jpg 572w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Photo-eleveur-300x213.jpg 300w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Photo-eleveur-450x319.jpg 450w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Photo-eleveur-330x234.jpg 330w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Photo-eleveur-180x128.jpg 180w, https:\/\/www.deltavit.com\/wp-content\/uploads\/Photo-eleveur-500x355.jpg 500w\" sizes=\"(max-width: 572px) 100vw, 572px\" \/><\/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 is-resized\"><img decoding=\"async\" width=\"445\" height=\"321\" src=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/GAEC-DE-LA-MOULINGE.jpg\" alt=\"\" class=\"wp-image-5241\" style=\"aspect-ratio:1.3863063642700124;width:394px;height:auto\" srcset=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/GAEC-DE-LA-MOULINGE.jpg 445w, https:\/\/www.deltavit.com\/wp-content\/uploads\/GAEC-DE-LA-MOULINGE-300x216.jpg 300w, https:\/\/www.deltavit.com\/wp-content\/uploads\/GAEC-DE-LA-MOULINGE-330x238.jpg 330w, https:\/\/www.deltavit.com\/wp-content\/uploads\/GAEC-DE-LA-MOULINGE-180x130.jpg 180w\" sizes=\"(max-width: 445px) 100vw, 445px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 heading\">\n<h2 class=\"wp-block-heading\">THI and Thermotool: anticipating heat stress to react better<\/h2>\n<\/div><\/div>\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">The <strong>THI <em>(Temperature Humidity Index)<\/em><\/strong> is a key indicator that combines temperature and humidity to assess the severity of heat stress experienced by animals. It enables farmers to anticipate periods of risk and quickly adapt their management strategies.<\/p>\n<\/div><\/div>\n\n<div class=\"row\"><div class=\"col-12 paragraph\">\n<p class=\"wp-block-paragraph\">To support farmers, <strong>DELTAVIT has developed the free Thermotoo<\/strong>l app, a simple and practical tool for estimating the THI on your farm and effectively managing heat stress.<\/p>\n<\/div><\/div>\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"row\"><div class=\"col-12 heading\">\n<h3 class=\"wp-block-heading\">download thermotool NOW ! <\/h3>\n<\/div><\/div>\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:20% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" width=\"600\" height=\"800\" src=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/MONTAGE_MAIN_TELEPHONE-1.png\" alt=\"\" class=\"wp-image-5254 size-full\" srcset=\"https:\/\/www.deltavit.com\/wp-content\/uploads\/MONTAGE_MAIN_TELEPHONE-1.png 600w, https:\/\/www.deltavit.com\/wp-content\/uploads\/MONTAGE_MAIN_TELEPHONE-1-225x300.png 225w, https:\/\/www.deltavit.com\/wp-content\/uploads\/MONTAGE_MAIN_TELEPHONE-1-495x660.png 495w, https:\/\/www.deltavit.com\/wp-content\/uploads\/MONTAGE_MAIN_TELEPHONE-1-338x450.png 338w, https:\/\/www.deltavit.com\/wp-content\/uploads\/MONTAGE_MAIN_TELEPHONE-1-248x330.png 248w, https:\/\/www.deltavit.com\/wp-content\/uploads\/MONTAGE_MAIN_TELEPHONE-1-135x180.png 135w, https:\/\/www.deltavit.com\/wp-content\/uploads\/MONTAGE_MAIN_TELEPHONE-1-500x667.png 500w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<ul class=\"wp-block-list\">\n<li>Download from <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.mobizel.thermotool&amp;pli=1\" data-type=\"link\" data-id=\"https:\/\/play.google.com\/store\/apps\/details?id=com.mobizel.thermotool&amp;pli=1\" target=\"_blank\" rel=\"noopener\">Play Store<\/a><\/li>\n\n\n\n<li>Download from <a href=\"https:\/\/apps.apple.com\/us\/app\/thermotool\/id981585161\" data-type=\"link\" data-id=\"https:\/\/apps.apple.com\/us\/app\/thermotool\/id981585161\" target=\"_blank\" rel=\"noopener\">App Store<\/a><\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div style=\"height:122px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Heat stress in ruminants, and particularly in dairy cows, has become a major challenge for farms. With frequent, intense and prolonged hot spells, the impact on reproduction, animal health and farm profitability is becoming increasingly significant. Long before it affects milk production, heat stress directly impacts fertility. Understanding its mechanisms and implementing appropriate solutions, particularly [&hellip;]<\/p>\n","protected":false},"featured_media":5368,"template":"","meta":{"_acf_changed":false,"footnotes":""},"besoin":[88],"enjeux":[],"espece":[110],"news_type":[171],"class_list":["post-5259","actualite","type-actualite","status-publish","has-post-thumbnail","hentry","besoin-digestive-balance","espece-ruminants-en","news_type-technical-advice"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.deltavit.com\/en\/wp-json\/wp\/v2\/actualite\/5259","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deltavit.com\/en\/wp-json\/wp\/v2\/actualite"}],"about":[{"href":"https:\/\/www.deltavit.com\/en\/wp-json\/wp\/v2\/types\/actualite"}],"version-history":[{"count":28,"href":"https:\/\/www.deltavit.com\/en\/wp-json\/wp\/v2\/actualite\/5259\/revisions"}],"predecessor-version":[{"id":5567,"href":"https:\/\/www.deltavit.com\/en\/wp-json\/wp\/v2\/actualite\/5259\/revisions\/5567"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.deltavit.com\/en\/wp-json\/wp\/v2\/media\/5368"}],"wp:attachment":[{"href":"https:\/\/www.deltavit.com\/en\/wp-json\/wp\/v2\/media?parent=5259"}],"wp:term":[{"taxonomy":"besoin","embeddable":true,"href":"https:\/\/www.deltavit.com\/en\/wp-json\/wp\/v2\/besoin?post=5259"},{"taxonomy":"enjeux","embeddable":true,"href":"https:\/\/www.deltavit.com\/en\/wp-json\/wp\/v2\/enjeux?post=5259"},{"taxonomy":"espece","embeddable":true,"href":"https:\/\/www.deltavit.com\/en\/wp-json\/wp\/v2\/espece?post=5259"},{"taxonomy":"news_type","embeddable":true,"href":"https:\/\/www.deltavit.com\/en\/wp-json\/wp\/v2\/news_type?post=5259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}