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Amino acids in swine nutrition
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INTRODUCTION Sow productivity has increased considerably in recent years, mainly owing to an increase in litter size, which has resulted in an increased metabolic demand for nutrients to support fetal growth and colostrum and milk production (TOKACH et al., 2019). However, this increase in nutritional requirements has not been accompanied by the pattern of sow intake, thus, sows undergo excessive mobilization of body protein during lactation (YANG et al., 2000a). This can affect...
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Introduction Nursery pig diets have been conventionally formulated with animal protein sources and dairy products (e.g., fish meal, plasma meal, and whey protein). However, this has resulted in a complex diet composition and high feed costs. Many attempts have therefore been made to simplify the conventional complex diet by increasing the proportion of soybean meal as a way to save on feed costs in nursery pig production. Previous studies (Skinner et...
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Introduction The inclusion of crystalline amino acids in swine diets is an effective strategy to not only meet specific nutritional requirements, but also reduce diet cost and environmental impact. Typically, amino acids are expressed in ratio to lysine (Lys) for diet formulation process. Thus, it is important to evaluate essential amino acids in a Lys deficient scenario to appropriately identify the requirement of the essential amino acid of interest. A previous experiment...
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Introduction Animal-source feedstuffs are generally superior to plant-source ones for the growth and health of livestock, poultry, and fish (Wu 2018). This is due, in part, to the greater quantity of proteinogenic amino acids (AAs) and higher quality (the ratios and digestibilities of AAs) of the former than the latter. Traditionally, extensive research has focused on AAs that are not synthesized by animal cells and are known as nutritionally essential AAs (EAAs), including...
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This grant will offer €1 M for the next three years to fund research projects tackling some of the main feed industry challenges and encouraging...
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INTRODUCTION Besides genetic improvement, there are several factors that influence performance and carcass traits of pigs and among them is the amino acid requirement. To obtain high muscle protein deposition rate in pigs genetically improved it is necessary to determine the standardized ileal digestible lysine (SIDL) requirement to ensure the diets allow expression of their maximum genetic potential (YI et al., 2006). The amino acid lysine has been of greatest interest...
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Following its predecessor, the second edition of Amino Acids: Biochemistry and Nutrition presents exhaustive coverage of amino acids in the nutrition, metabolism and health of humans and other...
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Dr. Mariana Menegat (Holden Farms) discussed phases in pig nutrition in a clip from this Swine It interview with host Márcio Gonçalves....
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Dr. Steve Pollmann (DSP Consulting LLC) discussed many aspects of the pork production industry in this Swine It interview with host Márcio Gonçalves....
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Over 900,000 analytical results from more than 18,000 samples of more than 500 feed raw materials from all over the world
Analysis of amino acid and fatty acid profiles, proximates, minerals, energy and various other quality parameters
Now available as a web application with regular updates
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1. Introduction Combining different feedstuffs to formulate swine diets is essential for the supply of amino acids (AA), energy, and other nutrients necessary for optimal growth and nutrient utilization and production. While the main goal of diet formulation is meeting nutrient requirements, the impact different feedstuffs have on nutrient utilization (e.g., nitrogen retention) and intestinal physiology (e.g., gut health) of the pig also need to be considered. For instance,...
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Methionine (Met) is the third limiting amino acid (AA) in typical swine diets. Besides protein synthesis as the main role, Met plays an important role as a methyl donor for cellular metabolism and formation of co-enzyme S-adenosylmethionine (Bunchasak, 2009), and involved in immune function and a precursor for the synthesis of glutathione and taurine in animals (Li et al., 2007). The dietary requirement of Met could be supplied by using plant or animal protein feed ingredients (Htoo and...
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The objective of this experiment was to determine the effects of dietary crude protein (CP) content and crystalline amino acids (CAA) supplementation patterns on the growth performance of weaned pigs under clean (CSC) or unclean sanitary conditions (USC). One hundred forty-four piglets (6.35 ± 0.63 kg BW) were housed under CSC or USC for 3 wk and assigned to 1 of 3 diets: a high CP (HCP; 21%) and two low CP (LCP; 18%) diets supplemented with 10 crystalline indispensable amino...
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Functional amino acid supplementation during disease challenge enhances growth performance and immune status. The present study investigated the effect of duration of adaptation period to a functional amino acid (FAA)-supplemented diet on growth performance and immune status during a subsequent Salmonella challenge in pigs. Thirty-two mixed-sex weanling pigs (8 pigs/treatment; 11.6 ± 0.34 kg initial body weight) received either a basal diet without FAA supplementation...
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The intestinal morphology can be compromised in pigs when exposed to heat stress (HS), partly due to increased production of reactive-oxygen species. Because methionine (Met) functions as intracellular antioxidant, requirement of Met may be increased in HS-pigs. The effect of dietary supplementation with DL-Met above requirement on performance and serum concentration (SC) of free AA in HS-pigs was evaluated. A basal wheat-soybean meal diet was formulated to meet 100% Met requirement...
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In 1990, the first drops of Rhodimet® AT88 were produced in Spain. A great deal has been achieved since then, taking Adisseo up to the position of number 1 worldwide in liquid methionine. This methionine source is bringing value to many feed millers and integrators worldwide. With Rhodimet®...
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U.S. Soy has a large market in animal feed because of its rich nutritional value and its contribution to animal performance. Although alternatives exist, such as corn protein, and a growing supply of synthetic amino acids, research consistently shows that when compared to these alternatives, soy outperforms.
Dr. Hans H. Stein, a professor of Animal Science at the University of Illinois, Urbana-Champaign, conducts research in the area of intestinal physiology and feed ingredient...
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Introduction Glutamine is considered a non-essential amino acid for young pigs and is important for optimum health and function of the enterocytes in the small intestine. Glutamate is an important compound in cellular metabolism and is an energy source for the enterocytes in the intestine. Dietary glutamate may be limiting in newly-weaned pigs due to rapid turnover and replacement of mucosal cells. These are the most abundant amino acids in milk. AminoGut (Ajinomoto Heartland,...
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