Poultry gut health
The efficient conversion of feed into its basic components for optimal nutrient absorption is vital for both broiler and broiler breeder production and welfare. Gut health, an intricate and complex area combining nutrition, microbiology, immunology and physiology, has a key role to play. When gut health is compromised, digestion and nutrient absorption are affected which, in turn, can have a detrimental effect on feed conversion leading to economic loss and a greater susceptibility to disease. In addition, recent changes in legislation on the use of antimicrobials, differing feed requirements and more efficient birds highlight the need for a better understanding of gut function and gut health.
It all began in 2012, at the University of Arkansas. During his postdoctoral research, Dr. Juan David Latorre had an idea: What if we looked at Bacillus strains from a different perspective? What if, beyond their activity against undesirable microorganisms, we explored their ability to produce...
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Short-chain fatty acids (SCFAs) have multiple functions on gut health, including supporting intestinal epithelial cells as energy sources, strengthening gut barrier function, regulating immune response and developing skeletal muscle (Martin-Gallausiaux et al., 2021; Liu et al., 2021). Among the different SCFAs, butyric acid is the most studied. Previous research has demonstrated that butyric acid can provide approximately 70% of the total energy consumption of the colonocyte (Roediger,...
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January 25, 2027
United States - Georgia - Atlanta
The objective of the presented study was to extract and identify the arabinoxylanoligosaccharides (AXOS) released in vivo in the different segments of the gastro-intestinal tract (GIT) of broilers and demonstrate the influence of xylanase on arabinoxylan (AX) utilization. The study used samples from digesta collected from the gizzard, ileum, ceca and excreta of broilers, fed wheat-soybean meal diet without (CTL diet) or with xylanase supplementation (ENZ diet). Molecular weight (Mw)...
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1. Introduction The rising global demand for animal-derived products is driven by population growth and the increasing need for high-quality protein sources. However, this surge in demand has heightened concerns about the environmental impacts and sustainability of livestock production. Food systems globally contribute nearly one-third of greenhouse gas (GHG) emissions, with the livestock sector being a significant contributor (Grossi et al., 2018; Crippa et al., 2021; Jaisli and...
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I. INTRODUCTION Aged hens with their regressive antioxidant capacity are susceptible to reactive oxygen species (ROS) and reactive nitrogen species (RNS), thereby various liver metabolic disorders may occur (Gu et al., 2021; Ponnampalam et al., 2022). Though supplementation of Met and VE are involved in antioxidant defense system (Agostini et al., 2016; Mazur-Kusnirek et al., 2019), previous studies highlighted oxidative stress may increase the Met and VE demands beyond standard...
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Introduction Mycotoxins are toxic secondary metabolites produced by various fungal species that contaminate agricultural commodities, particularly feed ingredients. Consumption of mycotoxin-contaminated feed has been associated with significant health issues in humans and productivity losses in livestock (Abdallah et al., 2015). Favorable environ mental conditions such as humidity, temperatures, and improper storage often promote the growth of multiple fungi species...
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1. Introduction Campylobacter jejuni has been considered one of the leading causes of human gastrointestinal diseases worldwide, with outbreaks registered both in industrialized and developing countries [1]. Campylobacter spp. colonizes the avian gut in high concentrations with few or no clinical symptoms. Hence, it has been traditionally considered commensal, although a revision of this bacteria–host interaction has been recently proposed [2]. Upon interaction with avian...
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Dr. Amine Mellouk from Adisseo, discusses how fatty acid glycerides, particularly lauric acid (C12) glycerides, can support immune responses and help animals cope with health challenges. ...
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Dr. Amine Mellouk, Global Technical & Scientific Support – Swine at Adisseo, explains what resilience means in poultry and swine: maintaining performance during a challenge or recovering quickly afterward. He discusses how producers can assess resilience through changes in body weight, mortality and recovery, and highlights the connections between balanced nutrition, gut microbiota and immune function. ...
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Escherichia coli, a gram-negative bacterium is one of the dominant members of the commensal microbiota in young broiler chickens (Ocejo et al., 2019). However, under certain circumstances, it can also cause colibacillosis, which is an economically important disease. In studies aimed at improving broiler chicken production, the increase in the load of the phylum Proteobacteria that includes E. coli, is regarded as an indicator of dysbiosis and poor gut health (Diaz Carrasco et al., 2019; Shin...
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Pullets to Layers – Ensuring a Smooth Transition in Cage-Free Systems
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1. Introduction In the ever-evolving landscape of poultry farming, the critical role of nutrition in maximizing productivity and promoting avian health has gained significant attention. Domestic fowl, specifically chickens, turkeys, geese, and ducks, hold a paramount position in the global animal protein industry, meeting the rising demand for affordable and nutritious protein sources. Forecasts indicate that by 2031, approximately 47% of the protein sourced from meat will stem...
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I would like to thank my colleagues on the CLANA organizing committee for their invitation. It was a high-quality conference. Thank you, Julieta Sierra, Marcela Garcia, Alberto Celis, Jorge Castañeda, Fernando Cisneros, Adriana Hernandez Delgado, and Edgar Chi Moreno.
The presentations by renowned experts sent a clear message: precision nutrition is key to improving production efficiency and reducing the environmental footprint. To turn that goal into consistent...
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Introduction Coccidiosis is a parasitic infection caused by Eimeria spp and persistently affecting broiler chicken, causing high morbidity, impaired growth, and mortality [1]. Unlike many other protozoan parasites, Eimeria spp exclusively invades the intestinal epithelium showing high tissue specificity [2]. Eimeria (E.) maxima is characterized by producing the largest oocysts and male gamonts among the other species infecting chicken [3]. E. maxima particularly infects chickens at...
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In modern poultry production, maintaining a healthy avian immune system is essential for protecting birds against pathogens and sustaining productive performance. When immune defense is weakened, poultry become more susceptible to invasion by viruses, bacteria, parasites, and other pathogens, increasing the...
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1. Introduction The poultry diet is balanced for metabolizable energy and protein through the incorpo ration of several ingredients and additives. The cost of many cereal grains and legumes used in making poultry feed is increasing due to the growing markets utilizing them as food and fuel [1]. To counter this, alternative feedstuffs such as agricultural co-products, including wheat middlings, soy hulls, oil cakes, distillers dried grains and solubles (DDGS), and sugar beet...
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1. Introduction Coccidiosis is a parasitic disease caused by an apicomplexan parasite of the genus Eimeria, which infects different parts of the intestinal tract depending on the species of Eimeria [1]. Eimeria spp. invade intestinal cells and cause physical damage to the intestinal epithelium, producing hemorrhagic diarrhea and disrupting the normal functioning of the intestinal tract [2]. This leads to impaired nutrient absorption and compromised gut health [3]. On the other hand,...
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Marc Saad (Liptosa) presents Coccilip, a natural, plant-based product for use in coccidiosis.
*Certain information associated with products, their composition and claims may be different depending on the geographical region and may not be applicable in all countries. Liptosa reserves the right to adapt to the requirements and legislation in each case.
The information and technical recommendations provided herein are based on Liptosa's current knowledge and experience.
Liptosa reserves the...
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Numerous liver diseases originate from prior alterations in the intestinal barrier and the gut microbiota. The gut-liver axis has an anatomical and immunological connection that makes the liver the first organ exposed to everything that crosses the intestinal barrier. The intestinal mucosa constitutes the body's most important biological barrier. In addition to absorbing nutrients, it acts as a defense structure capable of preventing the passage of microorganisms, endotoxins,...
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