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Phytogenics in poultry nutrition
Phytogenics, also known as phytobiotics, are natural bioactive compounds of botanical origin that are used as alternatives to antibiotic growth promoters (AGPs) and are added to feed to enhance animal performance. Although phytogenics encompass a wide variety of substances of biological origin, formulation, chemical characterization, and purity, they can be classified into four groups: (1) herbs (products obtained from flowering, woody, and nonperennial plants); (2) botanicals (whole or processed parts of a plant, such as roots, leaves, tree bark, and spices); (3) essential oils (hydro-distilled extracts of volatile plant compounds); and (4) oleoresins (anhydrous solvent-based extracts). These plant-derived products do not contain residues, are natural, and are less toxic than synthetic antibiotics or inorganic chemicals. Many are generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA) and can be used as feed additives in animal nutrition.
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I. INTRODUCTION Oregano essential oil contains many compounds, of which carvacrol, thymol and their precursors are the major components, accounting for approximately 80% of the contents. Carvacrol and thymol have been shown to actively disrupt the cell membranes of bacteria leading to cell death, promoting the use of oregano as a phytobiotic (Rao et al., 2010). Phytoadditives such as oregano are becoming more popular as organic and natural alternatives to antibiotics....
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This study evaluated the effect of probiotics, a prebiotic and essential oil blend and their combination on the growth of Salmonella Enteritidis (SE) in a digestive assay mimicking three digestive compartments of the poultry digestive tract: crop, proventriculus, and intestine. A poultry commensal Lactobacillus reuteri (LR) and SE strain were utilized. The prebiotic product was included at 0.025% (w/w) and probiotic product, a combination of 3 strains of Bacillus ...
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Fatty liver hemorrhagic syndrome in poultry. Plusvet Animal Heath presents the summary of causes of the disease, control and solutions, in one minute....
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In hot environments, animals are prone to change their feeding patterns: the processes of digestion and nutrient absorption produce metabolic heat and, to control body temperature, animals limit feed consumption....
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I. INTRODUCTION Throughout the world, poultry are a major and growing source of high-quality protein, as they outperform all other terrestrial meat production systems in water, feed, carbon, and land use efficiency. A challenge for intensive production systems has been the potential to introduce high pathogen loads and stresses on the animals. Such challenges have traditionally been managed with the assistance of antibacterial growth promoters. However, the poultry...
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Summary: Poultry production and performance is affected by various factors including exposure to biotic and abiotic stressors. Most of these stressors, affects the immune homeostasis of the poultry birds leading to poor production performance and mortality. Hence, its important to modulate the host immune response, to obtain optimal performance. Phytogenics is one of the effective and important immune modulators, used to overcome immune stress. These are capable of acting in...
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Necrotic enteritis is the result of the overgrowth of Clostridium perfringens in the upper part of the intestines. Clostridum perfringens is a Gram-positive bacteria and forms spores that are extremely resistant to desiccation, heat, disinfectants, and UV radiation, and as a consequence, it is frequently present in poultry houses all around the world....
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I. INTRODUCTION While the inclusion of feed enzymes is routine in poultry fed sorghum-based diets, the effects of these enzymes are often muted or substandard, especially with phytase (Selle et al., 2018). The exact mechanism for this underperformance is not known, however, it is most likely caused by one or all of three key endogenous grain components: kafirin, phytate and phenolic compounds. Phenolic compounds,...
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I. INTRODUCTION Phytogenics and probiotics are gaining more attention in the animal industries due to market trends to reduce antibiotics use, whilst still preventing disease outbreaks and maintaining, or even improving, animal performance. Phytogenics have been shown to inhibit non-beneficial, potentially pathogenic bacteria such as E. coli (Ouwehand et al., 2010, Bento et al., 2013), positively influencing the gut microbiome and inhibiting C....
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Necrotic enteritis is a major concern in poultry farms because of its association with decreased performance. After the ban of antibiotic growth promoters, a group of feed additives emerged as tools to fight necrotic enteritis....
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Sufficient feed intake is crucial to achieving good broiler performance. Dr. Eija Valkonen, R&D Manager at Hankkija Finnish Feed Innovations, speaks about how Progres® helps broiler flocks to sustain the desired feed intake and growth performance.
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Calculating a proper stocking density will determine the maximum farm profitability in broiler chickens. Choosing the stocking density implies knowing the impacts on live performance, and its interrelations with the environment and dietary nutrients. Abundant studies about stocking density run under non-commercial conditions might not indicate the best reliable information to know the farm profitability. As a result, few studies are reliable for commercial purposes. Poultry managers should...
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INTRODUCTION The feed conversion ratio (FCR) is, in addition to the cost of the feed, the most influential variable in the cost structure of poultry production 1,2 and consequently, drives the economic efficiency of poultry operations. As a result, the FCR represents an important response variable in nutrition experiments, irrespective of whether or not they are complex, as metabolism studies 3,4 , or as simple as the experiments that are usually conducted to...
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Introduction Animals used for food production have been genetically selected for feed intake and muscle development (or milk and egg production) and are therefore divergent from their ancestors. In addition, these animals are reared in conditions that favor fast spread of pathogens. The high uptake of feed and the fast growth make these animals prone to intestinal disorders, what has been neglected in the past because of the use of low doses of...
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1. Introduction Monogastric animal production, in particular the poultry production sector, is growing continuously, driven mostly by the demand for meat and eggs. However, this rapidly growing industry and the increasing demand for poultry feeds have led to a considerable increase in feedstuff prices. The gap between demand and supply of balanced feed is expected to increase, and consequently increase the cost of production....
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Digest FaSt is an effective biosurfactant that combines the emulsifying activity of lysophospholipids together the activity of botanic components. Digest FaSt ensures an excellent digestibility of fats and availability of energy as it acts as a natural emulsifier.
*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...
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Introduction Achieving the best fertility is the only goal for successful running of any breeder operation. Advanced genetic selection in broiler breeding has led to tremendous improvements in progeny performance. Body weight gain achievement in modern broiler breeders is swifter than the past hence male management is a crucial aspect to obtain good quality and quantity of semen. Due to some unforeseen events if there is heavy mortality in males, maintaining the fertility...
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