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Poultry nutrition - Other additives
Alternative feed additives have promising importance in broiler production due to the ban on the use of certain antibiotics. The most used antibiotic alternatives in broiler production are phytogenics, organic acids, prebiotics, probiotics, enzymes, and their derivatives. Antibiotic alternatives have been reported to increase feed intake, stimulate digestion, improve feed efficiency, increase growth performance, and reduce the incidence of diseases by modulating the intestinal microbiota and immune system, inhibiting pathogens, and improving intestinal integrity. Simply, the gut microbiota is the target to raise the health benefits and growth-promoting effects of feed additives on broilers. Therefore, naturally available feed additives are promising antibiotic alternatives for broilers.
I. INTRODUCTION The increased recognition of antimicrobial resistance as a public health risk and, therefore, the imposed restrictions on the use of antimicrobial growth promoters (AGP), has driven the search for novel nutritional strategies for broiler chickens. The advances in molecular biology, analytics, and data science in the past years have enhanced our understating of the gastrointestinal tract (GIT) microbiome of chickens (Oakley et al., 2014; Sun et al., 2021). These novel...
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I. INTRODUCTION The product tested is a purified yeast fraction which is highly concentrated in β-1.3/1.6 glucans (BG). β-1.3/1.6 glucans stimulate the immune system by triggering the Dectin-1 receptors located on the surface of phagocytes, stimulating a release of cytokines. Cytokines induce different immune pathways causing an immune response. When phagocytes that have previously been exposed to β-1.3/1.6 glucans, their immune responses toa pathogen is faster and...
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Thermal stress happens when the animal leaves its thermal comfort zone, it means neither too cold nor too hot, let's say it feels good. In both of the cases, the stress due to heat and cold, the problem itself is not the temperature alone, but its relation to relative humidity level. The...
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Tri-butyrin is regarded as an ideal molecule to supply both butyrate and mono-butyrin to the small intestine (SI) to maintain intestinal function, modulate the immune response and improve broiler growth performance (Moquet et al., 2016; Moquet et al., 2018). Valerins have been shown to positively affect the morphology of the SI mucosa and reduce the incidence of necrotic enteritis (Onrust et al., 2018). To date, little information is available as to the extent to which valerin and butyrin in...
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In recent years, the egg industry is aiming to prolong the life cycle of laying hens, both for reasons of profitability and for sustainability. However, the goal to produce 500 eggs in a 100-week cycle is hindered by the declining performance of older hens. It is hypothesised that nutritional strategies can be implemented to support the health of these animals, thereby improving laying persistency. The objective of this trial was to investigate the effects of two sources of butyrate...
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Usage of nutritional emulsifiers in animal feed offers a valid strategy to improve energy, fat and protein digestibility. There are numerous nutritional emulsifiers currently on the market containing a range of active ingredients. Most emulsifiers contain phospholipids or lysophospholipids (LPL), present in lecithin or lysolecithin. An alternative active ingredient is glyceryl polyethylene glycol ricinolate (GPGR). It is important to know the hydrophiliclipophilic balance (HLB) value of...
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Sudipto Haldar (Research Director at Agrivet) explains changes in the poultry microbiota approach and the effect of certain feed additives, in this Engormix interview....
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Poultry is a homothermal animal, and its body covers with feathers to increase its cold resistance. However, Taiwan is an island that lies in the tropic of cancer, and the general climate is marine tropical. During summer, this mechanism is adverse to heat dissipation and causes heat stress. Heat stress is a familiar stress effect that will affect animals’ growth performance, productivity, and health. Heat stress affects livestock production results in increased demand for net...
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Did you know the wonderful properties of thyme? 1. Powerful Antioxidant: Thyme is a natural source of antioxidants, such as flavonoids, promoting cellular resistance, and strengthening the immune system in animals 2. Microbiome Properties: Its ability to control pathogenic...
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I. INTRODUCTION Wheat is the predominant feed grain in Australia and other dry regions in the world. Typical broiler diets in Australia contain 60-70% wheat. Climate-induced factors, including elevated temperature, have been reported as depressing crop production around the globe during the last few decades (Fernie et al., 2022) and there is limited understanding of how climate-induced factors may influence the nutritional quality of wheat. The sowing time of wheat is the most...
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Effects of Muco-defen® on Clostridium perfringens-induced necrotic enteritis in broilers
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The extraction of plant oils from crops results in so-called “waste” products that can be repurposed as protein sources for animal agriculture, supporting the development of a circular economy and the world’s bio-economy sector.
In the Mediterranean region (as well as similar climates), the production of olive oil has increased, leading to large quantities of olive oil byproducts that may be suitable ingredients for poultry rations, according to a review article...
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by Lyndsey Johnston
Insects and derived products are possible alternative feedstuffs to improve the sustainability of the livestock sector due to several promising attributes such as limited space requirements for growing larvae, short productive cycles, limited water needs and the suitability of some species to mass rearing. Also, some insect species can contribute to circular economy models by upcycling organic side-streams from other industries into high-value...
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The Poultry Research Foundation in conjunction with WPSA- Australian Branch, cordially invites you to attend the:
36th Annual Australian Poultry Science Symposium
to be held at The University of Sydney Abercrombie...
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1. Introduction The burden of high feed costs in the poultry sector calls for deeper exploration of underutilized alternatives that are rich in nutrients and have the potential to reduce livestock feed prices. Indigenous vegetables such as amaranth crops can play a significant role in the reduction of poultry expenses. The probable use of amaranth inclusion in poultry diets as a protein source has remained a subject of interest in scientific research [1]. Amaranth is considered...
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Current market review and perspective of Florfenicol, Tilmicocin, vitamins and aminoacids
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1. Introduction Salmonella enterica is one of the main causes of foodborne disease, representing a worldwide problem for public health systems [1]. This species consists of more than 2600 serovars described to date [2,3]. S. enterica serovars can cause infections in humans ranging from gastroenteritis, associated with non-typhoidal Salmonella (NTS), to typhoid fever [4]. NTS are estimated to cause more than 93.8 million infections and 155,000 deaths per year globally [5,6]. The main...
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Antonio Martínez Sánchez, General Manager at LIPTOSA, explains the mode of action and uses of some phytogenics solutions.
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...
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Gonzalo Moreno (FENAVI Executive President) comments on all the activities prepared for the 2024 FENAVI Congress that will take place from June 4th to 6th, in Bogota, Colombia....
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INTRODUCTION Natural medicinal products originating from herbs and spices have been used as feed additives for poultry (Guo et al., 2004). Compared with synthetic antibiotics or inorganic chemicals, these plant-derived products have proven to be natural, less toxic, residue-free, and are thought to be ideal feed additives in feeds for animal production (Wang et al., 1998). Any attempt to improve poultry production and increase its efficiency, therefore, needs to focus on the...
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In many regions, animal production under hot conditions is a major challenge and is expected to become more common in the future. During heat stress, several strategies are used to dissipate excess heat. When high temperatures, water consumption increases, and feed intake decreases (thus reducing nutrient absorption).In order to dissipate heat, livestock will increase the heart and breathing rate. Metabolism is severely affected and usually leads to oxidative stress. Poultry is a...
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Introduction Food safety is a central concern in the poultry industry, with pathogens such as Salmonella causing outbreaks associated with meat and eggs [1]. Nearly 1 in 25 packages of chicken products at the average grocery store are contaminated with Salmonella, and Salmonella causes 1.35 million cases of infection every year in the United States (US) [1]. A multi-state Salmonella Enteritidis outbreak in 2021 connected to not ready-to-eat (RTE) products has refocused producer...
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