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I. INTRODUCTION Spotty Liver Disease (SLD) is characterized by the occurrence of multiple grey/white spots in the liver. It causes mortalities and reduction in egg output and is prevalent within the layer industry in Australia, especially within the free range sector of the industry (Grimes & Reece, 2011). The disease is less commonly found in barn and cage birds and parent stock (Scott, 2016). The recent identification of Campylobacter hepaticus, as the causative agent...
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@M.C. Fernando R. Feuchter A. Insect protein production has a very long way to go before it becomes a creditable source of protein for feed. We need to change the paradigm. When we start to consider insects as a viable bio-converter to transform waste streams into viable nutrient sources and the consider how these nutrients can be employed I believe is a more commercially viable proposition....
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I. INTRODUCTION Supplementation of amino acids to reduce feather pecking behaviour and improve plumage condition has been previously studied and found to be successful (Savory, 1998, van Hierden et al., 2004). Feather eating behaviour performed by feather pecking birds suggests that feathers (predominately composed of keratin protein) may be consumed as an alternative source of amino acids, if digested. Methionine is an essential amino acid required for egg production and...
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@M.C. Fernando R. Feuchter A. Creatine is ONLY found in raw materials of animal origin; so yes, fish meal, meat and bone meal. The problem is variability; our analyses show variations of +/- 100% !! Reliance on creatine supply from such raw materials is therefore a real gamble...better to use a guaranteed source......
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Struggling with feed pellets breaking apart in water? Dealing with excessive dust in poultry, swine, or cattle feed? Magicoh Pellet Binder strengthens pellets, improves water stability, and enhances feed quality. Hear what Mr. Ronnick Fong (Hangzhou De Mark) has to say about it...
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Corn remains the primary energy source in poultry diets. However, not all corn delivers equal nutritional value. Poor grain quality can significantly reduce its Metabolizable Energy (ME) for poultry, affecting both bird performance and production cost. Energy Loss Equation in Poultry Due to Poor-Quality Corn Barbarino and Rostagno (2001) developed an equation to estimate the Metabolizable Energy Lost (MEL) in poultry feed based on corn...
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Dysbacteriosis, an imbalance in gut microbiota, impairs nutrient absorption and growth in broilers. Severe cases can cause wet litter and high mortality. AGPs have long been used to enhance gut health and performance, but their prolonged use raises concerns over antimicrobial resistance in birds and humans. Removing AGPs from broiler diets has reduced performance and increased gastrointestinal tract (GIT) diseases. To mitigate the impact of AGP-free diets on broiler performance, various...
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At a time when livestock production is facing one of the biggest challenges in its recent history – the need to produce more with less and more cleanly – the balance between sustainability and profitability has become an inescapable priority. Industry cannot afford to ignore environmental constraints, but neither can it compromise the technical and economic viability of farms. As a family-owned company with 30 years of experience in animal nutrition solutions, at Liptosa we...
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Lilong Chai (University of Georgia) discusses advantages and issues of cage-free poultry houses regarding pecking behavior, egg production, and dust bathing, among other aspects, in this Engormix interview. ...
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1. Introduction Factors such as investments in breeding facilities and the adoption of advanced technologies have been decisive in consolidating Brazil’s global leadership in broiler chicken exports [1]. Among the available structural typologies, the “dark house” stands out as an intensive production system, equipped with automated systems that control variables such as temperature, relative humidity, wind speed, and light intensity. The precise control of these...
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Introducing Afla-V ONE: Fast, precise aflatoxin detection for complete feeds and pet foods
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1. Introduction The surface of eggshells can be contaminated by bacteria such as Escherichia coli and Staphylococcus spp., which may account for 84% and 77% of the present Gram-negative and Gram-positive bacteria, respectively [1]. In addition to antibiotic resistance [1], Escherichia coli and Staphylococcus spp. (e.g., Staphylococcus aureus) may also be associated with the death of chicken embryos [2,3]. Eggs appear to be quite vulnerable to several threats, even biofilm...
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1. Introduction The preservation of indigenous poultry breeds is not only for cultural and emotional reasons, but also for economic ones. This is particularly true when there is a demand for delicate products of special quality, in terms of their origin, production and processing [1]; Kohlschutter et al. [2] argued similarly. The exceptional quality, excellent variety of flavors, and dietary effects, based on the emotionally valued gastronomic tradition, are the prerequisite for the...
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The egg industry in the United States maintains approximately 300 million hens each year (United Egg Producers, 2025). For every laying hen that is hatched, approximately one male...
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What is live haul? Turkeys are typically raised for 10 to 20 weeks, depending on bird sex, size, and product criteria for markets. Once the market weight is achieved, turkeys are herded, loaded, and transported to slaughter plants for stunning and processing. ...
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Mycotoxins semiannual survey of mycotoxin in feed in 2023 Taiwan - Second Half
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What is the pre-slaughter phase? The preslaughter phase is the last phase of the broiler chicken’s life before slaughter. This phase includes multiple steps: withdrawal of feed and water, catching, loading into transportation crates, and transportation by road, In some cases, chickens may be placed in lairage (waiting area)...
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Just remember that chickens do not have AMYLASE in their saliva. So feed digestion is not immediately as other animal species. As an adult, they love to have GRIT on their CROP and many of the stone pieces will stay for days in there. So soluble calcium will be released at different concentrations each day. Calcium grit is usually provided at molt time rather than as calcium supplement. So regulation of GRIT intake from layers would take a few days to be constant....
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1. Introduction Avian Metapneumovirus (aMPV) is a globally recognized pathogen causing respiratory diseases, leading to substantial economic losses in the poultry industry. Also known as Metapneumovirus avis, it belongs to the family Pneumoviridae and the genus Metapneumovirus [1]. So far, aMPV has been classified into four subtypes: A, B, C, and D [2]. These subtypes have been shown to exhibit varying effects on their avian hosts [3]. The recent disclosure of two new divergent...
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Author details: 1 Department of Animal Science and Biotechnology, Chungnam National University, Daejeon 34134, South Korea; 2 Kemin Animal Nutrition and Health, Asia Pacific, Seongnam-si, Gyeonggi-do, South Korea. Introduction Nutrient supply to meet requirements accounts for the largest share of poultry production costs, within which protein (i.e., AA) supply makes up the second largest portion. The feeding of reduced protein diets is targeted to...
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The American Feed Industry Association’s (AFIA) Board of Directors concluded its annual spring meeting in Washington, D.C., last Thursday, where they advocated for key policy priorities impacting the animal food industry on Capitol Hill and conducted other official business,...
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Recent publications by Verhelle und Saremi (2024) and Westreicher-Kristen et al. (2025) reported broiler feeding experiments to evaluate the nutritional value of guanidinoacetic acid (GAA) in comparison to L-arginine (L-Arg). Basically, reported broiler performance responses are in agreement with expectations based on literature. However, the authors drew misleading conclusions on the efficacy of GAA. It is our objective to clarify this matter because both publications confirm high arginine...
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