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Feed additives
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Feed represents the primary cost of broiler production, thus the formulation of cost-effective diets that meet broiler nutritional requirements is critical. To ensure this objective is met, nutrient specifications of feed ingredients must be accurately determined. However, Australian broiler nutritionists have expressed concern, as many nutrient specification databases contain dated information or lack Australian specific data. Therefore, the aim of this project was to compile current...
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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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It could be argued that animal nutrition as a global industry really kicked off when the idea of selling supplements to better balance out the nutritional values of feedstuffs began. Clearly, it was a landmark...
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Complexes or chelates? Generically speaking, the term ‘complex’ can be used to describe the product formed when a metal ion reacts with a bonding group or ligand that contains an atom which has a lone pair of electrons. In the complex, the ligand is bonded to the metal ion through donor atoms such as oxygen, nitrogen or sulphur. Ligands that contain only one donor atom are termed ‘monodentate’, whilst those that contain two or...
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Adisseo several studies have shown that the addition of a liquid source of methionine (OH-Methionine) may lead to power savings of up to 13% compared to the powder form (DL-Methionine) when pelleting. This conclusion on the beneficial impact of liquid methionine was obtained in two trials conducted in TECALIMAN, the French technical center for Feed, in their pilot pellet mill (2016 and 2020). Theses tests assess the pelleting behavior of complete feed by varying formula and...
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Background Spray-dried plasma (SDP) is one of additives in swine diets [1–3] and contains high protein with balanced contents of amino acids and various physiological components, such as immunoglobulins, peptides, glycoproteins, and others [4], that contribute to modulation of microbial populations [5, 6], immune responses and inflammation [4, 7, 8], and intestinal morphology [8, 9], and others [4]. Based on these beneficial effects, SDP is typically used in nursery...
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ABSTRACT Poultry diets are formulated primarily using cereals and protein meals (corn, wheat and soybean meal) as the main ingredients. There is noted shift in using coproducts from cereals and oilseeds in poultry diets due to availability and relatively lower cost. However, there is wide variation in the nutritional values of both conventional feedstuffs and coproducts, which creates a necessity of developing routine...
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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 In commercial dairy and beef production, a range of stresses are responsible for economic losses associated with the decreased productive and reproductive performance of cows. It has been shown that at the molecular level, nutritional, technological, environmental and internal stresses lead to the overproduction of free radicals, the disturbance of the redox balance, and oxidative stress [1,2]. It is well known that oxidative stress (an imbalance between free...
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Animal feed organic trace minerals play a crucial role in a variety of cattle functions, including digestion, immunity, reproduction, and overall growth. Lack of nutrition in animal feed and concerns related to cattle health are driving the demand for sustainable animal feed. Organic trace minerals for cattle are considered superior to inorganic trace minerals as they provide enhanced gut absorption and bioavailability.
As per the United Nations Food and Agriculture Organization...
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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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This virtual seminar will take place via Zoom meetings in four days (20, 27, 29, and 30th of September, 2021), from 16:00 to 18:30 (Spain time). All the conferences will be given in English and there will be simultaneous translation to Spanish. The seminar will...
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Introduction Pressed sugar beet pulp (PSBP) is frequently ensiled in plastic bags and represent a valuable feed component of feed rations for ruminants. However, its high susceptibility to fungal infestation during feed-out, especially in summer, often results in low stability and poor hygienic quality (Kalzendorf, 2007). Therefore, especially the use of chemical additives containing salts of sorbic, benzoic and and/or propionic acids, has attracted significant attention...
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The burgeoning demand for animal nutritional products is a key factor anticipated to accelerate Europe inactive dry yeast market for animal feed application over the ensuing years. In recent years, inactive dried yeast products have gained significant prominence for animal feed applications as they are a pivotal source of protein with both non-essential and essential amino acid profiles, which is vital for the healthy growth of poultry animals. Besides, an increase in livestock production...
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The demand for fish protein hydrolysate products across the animal feed and pet food applications will attain traction on account of the increasing requirement for new functional foods. There is a significant influx of advanced throughput technologies that exhibit low environmental impact and superior economic sustainability.
Fish protein hydrolysates have excellent nutritive value as well as amino content and are consumed as either stand-alone items or components of functional...
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Introduction Silver has been known for antibacterial activity since ancient times. The importance of silver has regained due to the increase of bacterial resistance to antibiotics, caused by their overuse. Silver nano particles and silver based compounds containing ionic silver (Ag + ) or metallic silver (Ag 0 ) which possess antimicrobial activity are of great importance in the field of medicine. Silver nano particles are attractive as these are non -toxic to...
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1. Introduction Phytogenic feed additives (PFA) are the plant derived products used to improve performance of livestock and poultry (Windisch et al., 2008; Jacela et al., 2010). The PFA comprise of a wide variety of herbs, spices and products derived thereof and are mainly essential oils. This class of feed additives is at present used to a great extent as alternatives to the antibiotic growth promoters (AGP) in poultry and swine nutrition. Obviously, the ban imposed on the...
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INTRODUCTION Among the essential amino acids (AA), L-arginine (ARG) is one of the functional amino acids in animals. ARG is a nutritionally very important and essential AA for fish, and is considered the fourth limiting AA in aquafeed. Most of fish species excretes ammonia predominantly through the gills, diffusing NH 3 or NH 4 (ammoniotelic animals). Therefore, unlike mammals, fish have a low hepatic activity of carbamoyl phosphate synthase III or ornithine carbamoyl...
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by Sam Shafer
As demand for goose products increases, poultry scientists and producers are working to combat bird mortality. One goal is to help geese fight infections without overusing antibiotics.
In a new study, published The Journal of Applied Poultry Research, poultry scientists explore the use of dietary yeast culture (YC) supplementation as a strategy to boost goose health while also improving meat quality.
Yeast culture is a dried prebiotic...
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