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Neonatal piglet diarrhea: sustainable and risk-free solutions exist

As neonatal diarrhea remains a persistent challenge in farrowing units and antimicrobial resistance continues to raise concerns across the swine industry, new preventive approaches based on managing environmental microbiota are emerging in pig farms. Recent results, presented at the Journées de la Recherche Porcine, highlight the value of biosecurity strategies that use protective microbial flora to reduce reliance on antibiotics.

A significant economic burden for farms

According to a French swine technical-economic reference framework (2022), neonatal diarrhea in piglets can incur costs of around 134€ per sow per year, with mortality losses approaching 10%.

These financial losses are mainly explained by increased veterinary care and labor requirements, spending on antibiotics and vaccines, neonatal mortality, and slower piglet growth. Beyond the direct costs, these digestive disorders have a long-term negative impact on the technical and economic performance of pig farms.

High vulnerability of piglets at birth

Piglets are highly vulnerable at birth due to their immature immune system. In a contaminated farrowing environment, the risk of infection from pathogenic bacteria such as Escherichia coli is therefore high. Some porcine strains of E. coli currently show more than 50% resistance to multiple classes of antibiotics, which can compromise the effectiveness of treatment.

Antimicrobial resistance: a global economic issue

From an international perspective, antibiotic resistance represents a major economic risk for agriculture and public health within the framework of a “One Health” approach. Global projections estimate potential losses of several trillion dollars by 2050 if no sustainable action is taken.

While policies such as the Ecoantibio plan have significantly reduced antibiotic use in livestock production in France, prevention remains the most reliable and economically sustainable way of limiting the emergence of resistant strains that affect both animals and humans.

Prevention rather than cure: an innovative, cost-effective biosecurity solution

In farms with bacterial neonatal diarrhoea, the application of multi-strain barrier flora derived from Cobiotex technology provides an effective and sustainable alternative.

These beneficial microbial communities, developed by Dietaxion, improve the microbiological balance of farrowing rooms and limit the proliferation of pathogenic bacteria. This approach also provides several additional benefits, including a significant reduction in the need for antibiotic treatments, decreased ammonia emissions, improved manure valorization, and controlled implementation costs.

A simple and accessible protocol

After cleaning, disinfecting, and drying the room:
1. First, nebulise the soluble solution Cobiotex® Elit on the floors and walls.
2. Then, when sows enter the farrowing unit, spread Cobiotex® 410 powder in the pens at farrowing (Day 0), and again on Day 7 and Day 14.

A proven response has been observed on farms

Data collected on farms show a progressive improvement in health results over successive batches. A 53.9% reduction in piglets treated for diarrhea was observed as early as the 5th treated batch (P<0.001). The improvement continued up to the 10th batch, with a 68.6% decrease in antibiotic use (P<0.001), corresponding to 6.8% of piglets treated compared with 21.7% initially. Overall, these results demonstrate that a preventive strategy based on environmental microbiota management is a credible, sustainable, and economically viable alternative.

Evolution of the proportion of piglets treated with antibiotics during the ten weeks of application of positive bacteria
Evolution of the proportion of piglets treated with antibiotics during the ten weeks of application of positive bacteria
Evolution of the proportion of beneficial flora/pathogenic flora during the ten weeks of application of positive bacteria
Evolution of the proportion of beneficial flora/pathogenic flora during the ten weeks of application of positive bacteria
(1)Source poster JRP 2026 (C. MARECAILLE1, JL. SEVIN2, H. PITHON1, X. ROULLEAU1 ( 1DIETAXION – 283 rue Ampère, ZA de la Noë Bachelon – 44430 LE LOROUX BOTTEREAU 2SOCAVET – 56 rue Jacques Cartier, 22600 LOUDEAC)
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