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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.
Dermanyssus gallinae (also known as red mite or poultry mite) is an ectoparasite of poultry that feeds on the blood of the animal. It causes itching, general discomfort, stress, anemia, fatigue, feather pecking, cannibalism and sometimes death. In laying hens, it worsens feed conversion, reduces the laying rate and impairs egg quality (eggs show pale yolks and fragile shells; eggs may be covered by mites or blood stains)....
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Heat stress occurs when the amount of heat produced by an animal surpasses the animal’s capacity to dissipate the heat to its surrounding environment. It is associated with increased mortality, digestive problems, metabolic imbalance, muscle dysfunction and impaired productivity across species....
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The liver is a key organ for the health and productivity of poultry and plays a significant part in the digestion, metabolism and utilization of nutrients. The liver is involved in the metabolism of fats, carbohydrates and proteins; it is the main storage site for fat-soluble vitamins (A, D, E and K), the...
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DIMA WHITE, STEVE LEESON and WOO KYUN KIM* report that a herbal feed supplement, consisting of natural and organic choline in conjugated form (phosphatidyl choline) along with certain...
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Effect of supplementation of a Bacillus-based probiotic on broiler growth performance
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1. Introduction Contamination with Salmonella affects an estimate of 20% of poultry meat [1]. This pathogen has the ability to remain viable for considerable periods of time in various biological and nonbiological habitats due to the formation of biofilms. Salmonella spp. are widely represented in the environment, and the intestinal tract of animals and birds is where they are found most [2,3]. Salmonella enterica can cause severe zoonotic disease and is transmitted to humans...
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Oxidative stress in poultry Poultry is one of the fastest growing segments of animal industry and has a substantial contribution to food security and nutrition. Birds are exposed to a multitude of stressors of environmental, nutritional, microbiological, and managemental origin throughout their life cycle that negatively impacts their health and production (Altan et al., 2003). These include sexing, transportation, vaccination, heat, cold, light, peak production, intensive...
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I. INTRODUCTION Management of coccidiosis has traditionally been via medication or vaccination. Anticoccidial programmes typically comprise a chemical and an ionophore component. Ionophores are under increasing regulatory and consumer scrutiny for their antimicrobial activity. Coccidial vaccines comprise Eimeria strains that are either attenuated (typically via repeated passage) or nonpathogenic or unmodified strains of field isolates. Coccidial vaccines have been proposed to...
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A 42-day study was carried out to evaluate the growth performance, immune organ weight, digestive organ weight, ceca short chain fatty acids (SCFA) profile, and ileum histomorphology responses of broiler chickens fed a blended essential oil, prebiotic, and acidifier product (Biolex™). A total of 540 broiler chicks (Cobb 500) were allocated into three treatments, each with 12 replicates and 15 birds/replicate pen in a randomized complete block design. The three corn-soybean meal dietary...
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Is a parasitic disease caused by protozoan of the genus Eimeria , affecting virtually all domestic and wild poultry species. The disease transmission is fecal-oral, by ingesting sporulated oocysts present in the litter, from faeces from infected birds, although a mechanical...
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Ewa Sujka introduces a phytogenic for the Indian Subcontinent, a phytogenic specially designed to control coccidia in animal production and minimizes the risk of secondary bacterial enteritis, during Poultry India 2019.
*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...
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Demand for animal protein for human consumption is rising globally at an unprecedented rate. Modern poultry production practices are associated with regular use of AGPs, potentially increasing selection pressure on bacteria to become resistant. AGP-alternatives are being sought to improve poultry performance. While the industry is focused on developing alternate solutions; their mode of action still remains unclear. Present study is undertaken to establish probable mechanism of action of...
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I. INTRODUCTION Over the last few decades, laying hen performance potential has largely been improved by genetic selection: egg production increased from 11.8 to 21.0 kg eggs per hen housed, FCR reduced from 3.29 to 1.96, mortality from 19.1 to 5.6% and body weight from 2.42 to 2.20 kg between 1970 and 2000 (Jeroch, 2011). Production cycles of 100 weeks without moulting will become commercially feasible based on improved laying persistence, although egg shell quality is still a...
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Lipids represent a group of organic compounds including fatty acids or their derivatives and are insoluble in water but soluble in organic solvents. They are mainly made of carbon and hydrogen and, in a lesser extent, oxygen. Their main function is being an energy store (such as...
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Bacillus licheniformis-Fermented Products Improve Growth Performance and Intestinal Gut Morphology in Broilers under Clostridium perfringens Challenges (Extract)
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I. INTRODUCTION Owing to the increased efficiency, growth rate and reduced mortality achieved, antibiotics have been used continuously in the broiler industry for decades (Cromwell, 2002) and are being questioned for antibiotic resistance. Some of the alternatives include vitamins, minerals, herbal drugs, plant extracts, phytobiotics and antimicrobial peptides and beneficial bacteria (Yadav et al., 2016). Recently, there has been increased interest given to polyphenols...
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The relentless march of antimicrobial resistance (AMR) has emerged as a public health concern, especially in the light of the fact that newer antibiotic classes have been slow to develop and investments in novel antimicrobial drug classes have been receding. AMR problem transcends international borders with antibiotic stewardship. Increasing thrust for restriction on AGP’s has instigated hunt for newer alternatives. Present study is...
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Chronic Respiratory Disease (CRD) is of high economic importance as this causes heavy production loss & mortality. Mycoplasma gallisepticum(MG) & Mycoplasma Synoviae(MS) is involved in polymicrobial “chronic respiratory disease” of chicken. Various antibiotics are used for management but pose the threat of MDR, & human food safety risks. Hence, the need of the hour is to find suitable alternatives for alleviation of sub-clinical infections and prevention of local...
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An immunomodulator is any substance that helps to regulate the immune system. The function and efficiency of the immune system may be influenced by various exogenous and endogenous factors resulting in either immunosuppression or immunostimulation. Several compounds with an...
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2020 Summary in Liptosa The year 2020 is over. It has been, undoubtedly, a very different and challenging year that has left uncertainty and immeasurable losses, both personally and professionally, and...
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DIGEST FAST® allows to reduce up to 10kg of fat in the ration, an important saving that leaves us free space in formulation. Therefore, in addition to saving the cost of fat, the nutritionist has a valuable tool that...
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