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Artigos de revistas sobre o tema "Amino acids in animal nutrition"

Autor: Grafiati

Publicado: 4 de junho de 2021

Última modificação: 29 de julho de 2024

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1

Böhme, Hartwig. "Amino Acids in Animal Nutrition." Animal Feed Science and Technology 109, no. 1-4 (October 2003): 217. http://dx.doi.org/10.1016/s0377-8401(03)00214-1.

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Harris, P. A. "Amino Acids in Farm Animal Nutrition." British Veterinary Journal 152, no. 6 (November 1996): 737. http://dx.doi.org/10.1016/s0007-1935(96)80150-3.

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3

Eggum, Bjørn O. "Amino acids in farm animal nutrition. 1994." Livestock Production Science 43, no. 2 (August 1995): 180. http://dx.doi.org/10.1016/0301-6226(95)90012-8.

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4

Sefer, M., R. B. Petronijevic, D. Trbovic, J. Ciric, T. Baltic, N. Parunovic, and V. Djordjevic. "Amino acids in animal feed: significance and determination techniques." IOP Conference Series: Earth and Environmental Science 854, no. 1 (October 1, 2021): 012082. http://dx.doi.org/10.1088/1755-1315/854/1/012082.

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Abstract Amino acids are fundamental for animal nutrition. Their presence is necessary to maintain the normal structure and function of the intestine, and they are key in regulating metabolic pathways for improving health, survival, growth, development, lactation, and reproduction. The animal feed industry invests great resources and efforts to obtain optimal formulations in which the composition of amino acids plays a key role. In support of these aspirations in recent decades, much attention has been paid to the development and improvement of analytical techniques for the reliable, rapid and

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Mohanty, Bimal, Arabinda Mahanty, Satabdi Ganguly, T. V. Sankar, Kajal Chakraborty, Anandan Rangasamy, Baidyanath Paul, et al. "Amino Acid Compositions of 27 Food Fishes and Their Importance in Clinical Nutrition." Journal of Amino Acids 2014 (October 14, 2014): 1–7. http://dx.doi.org/10.1155/2014/269797.

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Proteins and amino acids are important biomolecules which regulate key metabolic pathways and serve as precursors for synthesis of biologically important substances; moreover, amino acids are building blocks of proteins. Fish is an important dietary source of quality animal proteins and amino acids and play important role in human nutrition. In the present investigation, crude protein content and amino acid compositions of important food fishes from different habitats have been studied. Crude protein content was determined by Kjeldahl method and amino acid composition was analyzed by high perf

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Kutlu, Hasan Rüştü, and Uğur Serbester. "Ruminant Beslemede Son Gelişmeler." Turkish Journal of Agriculture - Food Science and Technology 2, no. 1 (January 11, 2014): 18. http://dx.doi.org/10.24925/turjaf.v2i1.18-37.37.

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One of the most industrialized animal production branches of ruminant production successfully requires a blending of theoretical knowledge of nutritional principles with practical stockmanship, maintaining health and dealing with numbers. It is well known that high yielding, dairy cows, require balanced diet with adequate nutrients for yielding. This is not provided with only a few feedstuffs. Milk production in dairy cows is related to the improvements in genetic merit of farm animals and also developments in feed science, feed technology and animal nutrition. In particular, feeds and feed te

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Grechkina, V. V., E. V. Sheida, and O. V. Kvan. "Microbiome and its association with nutrient metabolism in farm animal nutrition." E3S Web of Conferences 431 (2023): 01027. http://dx.doi.org/10.1051/e3sconf/202343101027.

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This article shows the effect of amino acid preparations on metabolism, nutrient digestibility, and calf development. Essential amino acid mixes in different concentrations (per 1 kg of feed) were introduced into the diet of calves from 9 to 18 months of age: I experimental group - 2 g of lysine + 2 g of methionine + 3 g of threonine + 1 g of tryptophan, II experimental group - 3 g of lysine + 3 g of methionine + 4 g threonine+2 g tryptophan. Calves were calculated on pure amino acids, in % of feed dry matter (per head per day). In calves of the II experimental group there was a significant in

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Yin, Lingqian, Mingxu Xu, Qinke Huang, Donghao Zhang, Zhongzhen Lin, Yan Wang, and Yiping Liu. "Nutrition and Flavor Evaluation of Amino Acids in Guangyuan Grey Chicken of Different Ages, Genders and Meat Cuts." Animals 13, no. 7 (April 2, 2023): 1235. http://dx.doi.org/10.3390/ani13071235.

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The composition and content of amino acids in foodstuffs have a vital impact on the nutritional value and taste. With the aim of understanding the nutrition and flavor of Guangyuan grey chicken, the composition and content of amino acids in the pectoralis and thigh muscle of chickens at the age of 90 d, 120 d and 150 d were determine using liquid chromatography–tandem mass spectrometry (LC-MS/MS) and an amino acid analyzer. A total of 17 amino acids were detected both in pectoralis and thigh muscle via the amino acid analyzer, of which the content of glutamate was the highest. Additionally, 21

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Ilić, Petar, Slađana Rakita, Nedeljka Spasevski, Olivera Đuragić, Ana Marjanović-Jeromela, Sandra Cvejić, and Federica Zanetti. "Nutritive value of Serbian camelina genotypes as an alternative feed ingredient." Food and Feed Research, no. 00 (2022): 25. http://dx.doi.org/10.5937/ffr49-41060.

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Camelina has been used from ancient times, but recently has re-emerged as a valuable plant with the potential for successful replacement of conventional oilseed crops. The utilisation of camelina and its by-products in animal feed is a matter of scientific study due to their excellent nutritional potential. The present study aimed to investigate the nutritive value of two Serbian camelina seed genotypes (NS Zlatka and NS Slatka) as a potential alternative to commonly used oilseed crops in animal feeding. For that purpose proximate composition, fatty acid profile, amino acid profile and tocophe

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10

Li, Peng, and Guoyao Wu. "Important roles of amino acids in immune responses." British Journal of Nutrition 127, no. 3 (November 15, 2021): 398–402. http://dx.doi.org/10.1017/s0007114521004566.

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AbstractThis commentary highlighted the background, take-home messages, and impacts of our 2007 British Journal of Nutrition paper entitled “Amino acids and immune function”. In 2003–2004, there was an outbreak of severe acute respiratory syndrome (SARS) caused by SARS coronavirus-1 (CoV-1) in Asian countries. By the mid-2000’s, clinical and experimental evidence indicated important roles for amino acids (AA) in improving innate and adaptive immunities in humans and animals. Based on our long-standing interest in AA metabolism and nutritional immunology, we decided to critically analyze advanc

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GRELA, EUGENIUSZ RYSZARD, and RENATA KLEBANIUK. "Influence of fermented feeds on the microbiome of the gastrointestinal tract and efficiency in animal nutrition." Medycyna Weterynaryjna 79, no. 09 (2023): 6811–2023. http://dx.doi.org/10.21521/mw.6811.

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The gut microbiome of animals varies by species, age, sex, and nutrition. The content of nutrients in the diet as well as feed additives (synbiotics, eubiotics, phytobiotics) determine the quantity and quality of the intestinal flora. The ban on the use of antibiotic growth promoters (AGP) has led to the search for various effective alternatives that affect the gut microbiome, animal health and production results. It has been shown that the use of fermented feeds, beneficially modifying the composition of the intestinal flora, can be a significant alternative to AGP in the production and breed

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Strazdiņa, Vita, Aleksandrs Jemeļjanovs, and Vita Šterna. "Nutrition Value of Wild Animal Meat." Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences 67, no. 4-5 (November 1, 2013): 373–77. http://dx.doi.org/10.2478/prolas-2013-0074.

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Abstract One of the most valuable foods is meat, due its nutritional value, largely determined by the essential amino acids, fatty acids, vitamins, minerals, etc. At the same time, concern needs to be given to health of consumers by used products with less calories, which can be ensured by greater variety of game animals, including also deer grown in captivity. The aim of our investigation was to compare the nutrition value of elk, wild deer, farm deer, roe deer, and wild boar that were killed during hunting in Latvia. Meat samples (m. logissimus lumborum) were collected in the autumn- winter

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13

Hutchinson, M. J., M. E. E. McCann, and V. Beattie. "The effect of base particle size in complementary feedingstuffs using early maillard reaction products on the performance of post weaning piglets." Proceedings of the British Society of Animal Science 2007 (April 2007): 79. http://dx.doi.org/10.1017/s1752756200019827.

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The animal feed industry produces various complementary feedstuffs with high levels of crude protein (CP) and synthetic amino acids designed to provide optimum nutrition to the post weaned pig. The use of synthetic amino acids has both advantages and disadvantages and other ways of delivering amino acids are of interest to the feed industry. One possible way of delivering amino acids is through the Maillard reaction; this is the chemical catalysis of the amine group of an amino acid to the carboxyl group of a sugar giving Maillard reaction products (MRP). These molecules occur during cooking,

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14

Akgun, Didem, and Huseyin Canci. "Selection of Faba Bean (Vicia faba L.) Genotypes for High Yield, Essential Amino Acids and Low Anti-Nutritional Factors." Agriculture 13, no. 5 (April 24, 2023): 932. http://dx.doi.org/10.3390/agriculture13050932.

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One of the important edible legumes, the faba bean (Vicia faba L.) contains high protein levels and amino acids in its seeds essential for human nutrition and animal feeding; it also consists of anti-nutritional factors such as vicine, convicine, and tannin. For a balanced and healthy diet, faba bean cultivars should be improved for high seed yield, essential amino acids, and low anti-nutritional factors. The aims of this study were to select faba bean genotypes for (i) high yield, (ii) low anti-nutritional factors, and (iii) essential amino acids. A total of 12 faba bean genotypes, including

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15

Li, Na, Wei Wang, Guoyao Wu, and Junjun Wang. "Nutritional support for low birth weight infants: insights from animal studies." British Journal of Nutrition 117, no. 10 (May 28, 2017): 1390–402. http://dx.doi.org/10.1017/s000711451700126x.

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AbstractInfants born with low birth weights (<2500 g, LBW), accounting for about 15 % of newborns, have a high risk for postnatal growth failure and developing the metabolic syndromes such as type 2 diabetes, CVD and obesity later in life. Improper nutrition provision during critical stages, such as undernutrition during the fetal period or overnutrition during the neonatal period, has been an important mediator of these metabolic diseases. Considering the specific physiological status of LBW infants, nutritional intervention and optimisation during early life merit further attention. In th

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Gehrke, Charles W., Paul R. Rexroad, Robert M. Schisla, Joseph S. Absheer, and Robert W. Zumwalt. "Quantitative Analysis of Cystine, Methionine, Lysine, and Nine Other Amino Acids by a Single Oxidation-4 Hour Hydrolysis Method." Journal of AOAC INTERNATIONAL 70, no. 1 (January 1, 1987): 171–74. http://dx.doi.org/10.1093/jaoac/70.1.171.

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Abstract The sulfur-containing amino acids cystine and methionine play important roles in animal, especially avian, nutrition. Because these ndror-containing amino acids are destroyed to varying extents by 6N HC1 hydrolysis, oxidation and hydrolysis of cystine to cysteic add and methionine to methionine sulfone have been widely used for determination of cystine and methionine. Lysine is considered the next limiting amino acid after the sulfur amino acids in poultry •ntrition; therefore, determination of the amino acid content of rations focuses first on these 3 amino acids. The objective of th

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Cristiani, Cinzia, Elisabetta Finocchio, Luciana Rossi, Carlotta Giromini, Matteo Dell’Anno, Sara Panseri, and Maurizio Bellotto. "Natural Clays as Potential Amino Acids Carriers for Animal Nutrition Application." Applied Sciences 11, no. 12 (June 18, 2021): 5669. http://dx.doi.org/10.3390/app11125669.

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This study has the main purpose of testing natural carriers as more sustainable alternatives to polymeric coating. New clay-based hybrid organic–inorganic materials have been prepared. An innovative procedure for the intercalation of the bioactive molecule is proposed. The synthesis process implies the use of mild operating conditions and does not require the use of organic reactants or solvents. Moreover, the use of natural carriers, and milder environmentally friendly process conditions, fulfill the requirement of a mostly safe, greener production. The capture and the release properties of t

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18

Swanson, Kendall C., and Jessica N. Reiners. "143 Nutritional advances in fetal and neonatal development: amino acid supplementation." Journal of Animal Science 98, Supplement_3 (November 2, 2020): 122. http://dx.doi.org/10.1093/jas/skaa054.208.

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Abstract Nutrient requirements of grazing ruminants change throughout the production year. Also, pasture quality and quantity change throughout the year and are influenced by environment. Therefore, there commonly are times of the year where nutrient requirements are not met from the forage alone. We have long known the importance of nutrition during key development including the conception, fetal, neonatal, and weaning period. Altering nutrition during these periods can have lasting effects on health and productivity. Much of the research in ruminants examining nutritional effects on developm

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19

Uğur, Elif, and Reyhan Nergiz Ünal. "Diyette Proteinler, Aminoasitler ve Bazı Diğer Aminli Bileşiklerin Kardiyovasküler Sistem Üzerine Metabolik Etkileri." Turkish Journal of Agriculture - Food Science and Technology 5, no. 1 (January 15, 2017): 71. http://dx.doi.org/10.24925/turjaf.v5i1.71-83.936.

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During the prevention and treatment of cardiovascular diseases, first cause of deaths in the world, diet has a vital role. While nutrition programs for the cardiovascular health generally focus on lipids and carbohydrates, effects of proteins are not well concerned. Thus this review is written in order to examine effect of proteins, amino acids, and the other amine consisting compounds on cardiovascular system. Because of that animal or plant derived proteins have different protein composition in different foods such as dairy products, egg, meat, chicken, fish, pulse and grains, their effects

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Marín-García, Pablo Jesús, and Lola Llobat. "How Does Protein Nutrition Affect the Epigenetic Changes in Pig? A Review." Animals 11, no. 2 (February 19, 2021): 544. http://dx.doi.org/10.3390/ani11020544.

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Epigenetic changes regulate gene expression and depend of external factors, such as environment and nutrition. In pigs, several studies on protein nutrition have been performed to improve productive and reproductive traits. Indeed, these studies aimed not only to determine broad protein requirements but also pigs’ essential amino acids requirements. Moreover, recent studies tried to determine these nutritional requirements for each individual, which is known as protein precision nutrition. However, nutritional changes could affect different epigenetic mechanisms, modifying metabolic pathways b

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Davis, T. A., A. Suryawan, J. A. Bush, P. M. J. O’Connor, and M. C. Thivierge. "Interaction of amino acids and insulin in the regulation of protein metabolism in growing animals." Canadian Journal of Animal Science 83, no. 3 (September 1, 2003): 357–64. http://dx.doi.org/10.4141/a02-120.

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Young animals utilize their dietary amino acids more efficiently for growth because they are capable of a greater increase in tissue protein synthesis in response to feeding than older animals. This response to feeding is particularly profound in skeletal muscle. The feeding-induced stimulation of protein synthesis in skeletal muscle is uniquely and independently regulated by both insulin and amino acids. In most visceral tissues, the stimulation of protein synthesis by feeding is mediated by amino acids alone and not by insulin. The stimulation of protein synthesis by nutrition and hormones i

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Rose. "Amino Acid Nutrition and Metabolism in Health and Disease." Nutrients 11, no. 11 (November 1, 2019): 2623. http://dx.doi.org/10.3390/nu11112623.

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Here an overview of the special issue “Amino acid nutrition and metabolism in health and disease” is given. In addition to several comprehensive and timely reviews, this issue had some original research contributions on fundamental research in animal models as well as human clinical trials exploring how the critical nutrients amino acids affect various traits.

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Elango, Rajavel. "Methionine Nutrition and Metabolism: Insights from Animal Studies to Inform Human Nutrition." Journal of Nutrition 150, Supplement_1 (October 1, 2020): 2518S—2523S. http://dx.doi.org/10.1093/jn/nxaa155.

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ABSTRACT Methionine is a nutritionally indispensable amino acid, and is unique among indispensable amino acids due to its sulfur atom. Methionine is involved in cysteine synthesis via the transsulfuration pathway, which is rate limiting for the key antioxidant molecule, glutathione. Methionine is also the primary methyl donor in the body through S-adenosylmethionine via the transmethylation pathway, which is involved in the synthesis of several key metabolites including creatine and phosphatidylcholine. Methionine can also be remethylated from homocysteine, in the presence of betaine via choli

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Wang, T. C., and M. F. Fuller. "The effect of the plane of nutrition on the optimum dietary amino acid pattern for growing pigs." Animal Science 50, no. 1 (February 1990): 155–64. http://dx.doi.org/10.1017/s0003356100004554.

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ABSTRACTSix diets based on maize and soya-bean meal were prepared. The basal diet had a crude protein (CP) concentration of 171 g/kg. The same ingredients, together with maize starch, were used to give a diet with CP 131 g/kg. This diet was supplemented with all (positive control) or with three of the four amino acids lysine, threonine, tryptophan and methionine. Each diet was given at two rates of intake. From the results, the optimum ratio between these four amino acids at different planes of intake was calculated. Amino acid digestibility in the basal diet was measured at three intakes, usi

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Das, Basanta Kumar, Satabdi Ganguly, Supriti Bayen, Anjon Kumar Talukder, Archisman Ray, Subhadeep Das Gupta, and Kajal Kumari. "Amino Acid Composition of Thirty Food Fishes of the Ganga Riverine Environment for Addressing Amino Acid Requirement through Fish Supplementation." Foods 13, no. 13 (July 3, 2024): 2124. http://dx.doi.org/10.3390/foods13132124.

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Amino acids are significant biomolecules that govern the major metabolic processes and act as precursors for macromolecules such as proteins that are crucial to life. Fish is an integral component of human nutrition and a dietary source of high-quality animal proteins and amino acids. In this context, the crude protein and amino acid compositions of food fish from different landing stations of the Ganga river have been determined. The Kjeldahl method was utilized to determine the crude protein content and the amino acids were analyzed using high-performance liquid chromatography (HPLC); data o

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Columbus, Daniel A. "400 Functional amino acids to improve pig robustness." Journal of Animal Science 98, Supplement_4 (November 3, 2020): 181–82. http://dx.doi.org/10.1093/jas/skaa278.334.

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Abstract Pigs are continuously exposed to pathogens and immune-stimulatory antigens that negatively impact animal productivity. In general, this decrease in productivity is the result of reduced feed intake and increased demand for nutrients to mount an immune response. In addition, immune system stimulation alters amino acid metabolism and utilization, with amino acids redirected from growth towards supporting the immune response. A number of previous studies have shown that nutrient requirements for some amino acids, such as methionine, tryptophan, and threonine, are higher in immune-challen

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Sethi, Poonam, and Pushpa R. Kulkarni. "Leucaena Leucocephala a Nutrition Profile." Food and Nutrition Bulletin 16, no. 3 (September 1995): 1–16. http://dx.doi.org/10.1177/156482659501600307.

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Leucaena leucocephala is one of the fastest-growing leguminous trees. Its foliage is used as animal feed, and its leaves and seeds are used as human food in Central America, Indonesia, and Thailand. Mimosine, the toxic, non-protein amino acid in Leucaena, causes alopecia, growth retardation, cataract, goitre, decreased fertility, and mortality in non-ruminants. The mechanism of this toxicity is complicated. Mimosine probably exerts its toxic action by blocking the metabolic pathways of aromatic amino acids and tryptophan; by chelating metals; by antagonizing the action of vitamin B6; by inhibi

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Lu, Shengyong, Shengchang Chen, Haixia Li, Siwaporn Paengkoum, Nittaya Taethaisong, Weerada Meethip, Jariya Surakhunthod, et al. "Sustainable Valorization of Tomato Pomace (Lycopersicon esculentum) in Animal Nutrition: A Review." Animals 12, no. 23 (November 25, 2022): 3294. http://dx.doi.org/10.3390/ani12233294.

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Under the background of the current shortage of feed resources, especially the shortage of protein feed, attempts to develop and utilize new feed resources are constantly being made. If the tomato pomace (TP) produced by industrial processing is used improperly, it will not only pollute the environment, but also cause feed resources to be wasted. This review summarizes the nutritional content of TP and its use and impact in animals as an animal feed supplement. Tomato pomace is a by-product of tomato processing, divided into peel, pulp, and tomato seeds, which are rich in proteins, fats, miner

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Marques Bittencourt, Tatiana, Jean Kaíque Valentim, Heder José D’Avila Lima, Gabriel Alcântara Gobira, André Lima Ferreira, Rúbia Francielle Moreira Rodrigues, Guilherme Resende de Almeida, and Nayara Emanoelle Matos e Silva. "Proteína na Nutrição de Não Ruminantes." Ensaios e Ciência C Biológicas Agrárias e da Saúde 25, no. 3 (September 29, 2021): 268–74. http://dx.doi.org/10.17921/1415-6938.2021v25n3p268-274.

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A nutrição animal está em um processo constante de transformação, no qual diversos trabalhos buscam adequar as exigências nutricionais de cada espécie, categoria e ambiente da criação para melhor satisfazê-los. Nas dietas, o nutriente proteico é incluído para fornecer os aminoácidos que formam as proteínas para o metabolismo animal. Com isso, o objetivo da revisão é elucidar os principais avanços no contexto atual, relacionados com a utilização de proteínas nas dietas de não ruminantes. Na busca pela Zootecnia de precisão, a utilização do termo proteína bruta vem caindo em desuso, dando espaço

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Armstrong, DG. "Quantitative animal nutrition and metabolism: a general review." Australian Journal of Agricultural Research 44, no. 3 (1993): 333. http://dx.doi.org/10.1071/ar9930333.

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Examples of increasing productivity of livestock enterprises over the last three to four decades, and the contribution to such advances, of scientific knowledge including that of the nutrition of farm livestock are referred to. Space limitations neccessitate restricting the review to consideration of ruminant livestock, with particular emphasis on ruminant digestive processes, on milk synthesis and on certain aspects of energy metabolism. Factors affecting the supply of amino acids to the host animal are referred to. The importance of synchronising N and energy supply to the rumen microorganis

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Jacob Nte, Iyakutye, Onyema Joseph Owen, and Friday Owuno. "Anti-Nutritional Factors in Animal Feedstuffs: A Review." International Journal of Research and Review 10, no. 2 (February 11, 2023): 226–44. http://dx.doi.org/10.52403/ijrr.20230229.

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Plants naturally co-exist with their predators and have therefore developed certain defense mechanisms against them. These include production of secondary metabolites, which are not directly involved in their growth processes (as opposed to primary metabolites), but act as deterrents to their predators. Some of these metabolites, known as anti-nutritional factors, affect the nutritive value of forages and feedstuffs, and hence animals (including humans) that feed on them. Although they are generally not lethal, their effects may be contrary to optimum nutrition, making them undesirable for hum

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Bal, Іvan. "Nutritional value of clariid catfish in the conditions of aquaculture in Ukraine." Animal Science and Food Technology 15, no. 2 (April 16, 2024): 23–37. http://dx.doi.org/10.31548/animal.2.2024.23.

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The nutritional value of raw materials is determined by a set of indicators that define the biological value of protein, lipids, mineral composition, and safety. Therefore, their investigation in the meat of one of Ukraine's aquaculture species – the clariid catfish – is relevant. The purpose of the study was to investigate the biological value of protein, lipids, mineral composition, and safety of catfish meat when grown in Ukraine and evaluate these indicators in accordance with the recommendations of FAO/WHO. The amino acid composition of the protein was determined by ion exchange liquid-co

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Montout, Laura, Nausicaa Poullet, and Jean-Christophe Bambou. "Systematic Review of the Interaction between Nutrition and Immunity in Livestock: Effect of Dietary Supplementation with Synthetic Amino Acids." Animals 11, no. 10 (September 27, 2021): 2813. http://dx.doi.org/10.3390/ani11102813.

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Infectious diseases represent one of the most critical threats to animal production worldwide. Due to the rise of pathogen resistance and consumer concern about chemical-free and environmentally friendly productions, the use of antimicrobials drugs is no longer desirable. The close relationship between nutrition and infection has led to numerous studies about livestock. The impact of feeding strategies, including synthetic amino acid supplementation, on host response to various infections has been investigated in different livestock animals. This systematic review provides a synthesis of the e

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Gaweł, Eliza, and Mieczysław Grzelak. "The Effect of a Protein-Xanthophyll Concentrate from Alfalfa (Phytobiotic) on Animal Production - A Current Review." Annals of Animal Science 12, no. 3 (May 1, 2012): 281–89. http://dx.doi.org/10.2478/v10220-012-0023-5.

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The Effect of a Protein-Xanthophyll Concentrate from Alfalfa (Phytobiotic) on Animal Production - A Current ReviewOne of the supplements that can replace antibiotic growth promoters is a protein xanthophyll extract from the leaves of alfalfa. Green matter of alfalfa contains 17-22% of total protein, rich in non-essential (exogenous) amino acids, saturated, monounsaturated and polyunsaturated fatty acids, vitamins, minerals, and organic acids. The crude fibre content in green matter of alfalfa is relatively high (about 23.0-30.0% dry weight). However, protein-xanthophyll extract (EFL) contains

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Uguz, Seyit, and Arda Sozcu. "Nutritional Value of Microalgae and Cyanobacteria Produced with Batch and Continuous Cultivation: Potential Use as Feed Material in Poultry Nutrition." Animals 13, no. 21 (November 6, 2023): 3431. http://dx.doi.org/10.3390/ani13213431.

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Recently, the demand for new alternative feedstuffs that do not contain chemical residue and are not genetically modified has been increased for sustainability in poultry production. In this respect, the usage of algae as animal feed is very promising as an alternative feed ingredient that reduces pollutant gases from animal production facilities. The aim of the current study is to investigate the usage possibility of algae, through determining nutritional value and production cost, as a feed ingredient in poultry nutrition. Three microalgae species, including Scenedesmus sp., Ankistrodesmus s

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Bătrînu, Mădălina-Georgiana, Amelia Tero-Vescan, and Amalia Miklos. "Biochemical Controversies Regarding the Use of Vegetal Proteins in Performance Athletes." Acta Biologica Marisiensis 3, no. 2 (December 1, 2020): 1–9. http://dx.doi.org/10.2478/abmj-2020-0006.

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Abstract Consumption of animal proteins is increasingly contested by those who choose a vegetarian diet, but for athletes, protein quality is a key component in optimizing athletic performance. The purpose of this article is to provide a nutritional guide for the vegetarian athlete who does not have to give up nutritional preferences to achieve performance in sports, and well-informed counseling by respecting principles of biochemistry can overcome the already known deficiencies of vegetal proteins in certain amino acids. The second aim of this paper is to recommend methods to assess protein q

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Rodrigues, Lucas A., Bonjin Koo, Martin Nyachoti, and Daniel A. Columbus. "Formulating Diets for Improved Health Status of Pigs: Current Knowledge and Perspectives." Animals 12, no. 20 (October 21, 2022): 2877. http://dx.doi.org/10.3390/ani12202877.

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Our understanding of nutrition has been evolving to support both performance and immune status of pigs, particularly in disease-challenged animals which experience repartitioning of nutrients from growth towards the immune response. In this sense, it is critical to understand how stress may impact nutrient metabolism and the effects of nutritional interventions able to modulate organ (e.g., gastrointestinal tract) functionality and health. This will be pivotal in the development of effective diet formulation strategies in the context of improved animal performance and health. Therefore, this r

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Saun, Robert Van. "23 Dietary management of the transition animal: Perspectives from dairy cows to sows." Journal of Animal Science 97, Supplement_2 (July 2019): 13–14. http://dx.doi.org/10.1093/jas/skz122.024.

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Abstract Since the 1990s, the impact of late gestational nutrition and management on lactation and reproduction has become the focus of dairy management. Transition cow management has been credited with having greater influence on herd performance as compared to previous focus on lactation nutrition. Several seminal papers published in 1990s and early 2000s directed management practices of dry cows, rightly or wrongly, toward critical factors impacting calving and lactation. Dairy cow gestational protein requirements cited a 1956 study on Red Danish cows until Bell (1995) characterized the mod

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Hogan, JP. "Options for manipulating nutrition if feed supply is immutable." Australian Journal of Agricultural Research 47, no. 2 (1996): 289. http://dx.doi.org/10.1071/ar9960289.

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The Australian pastoral industries depend almost entirely on the nutrients derived from the available pasture and browse. This is particularly true for the northern cattle industry, where the production of pasture, and hence animal productivity, depend on the length of time that sufficient soil moisture is available during and after the wet season to sustain pasture growth. Animal nutrition is further affected by the relatively low digestibility of tropical grasses even at early stages of maturity. Hence animal production is marked by relatively low annual weight gain and poor reproductive per

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Elango, Rajavel, Crystal Levesque, Ronald O. Ball, and Paul B. Pencharz. "Available versus digestible amino acids – new stable isotope methods." British Journal of Nutrition 108, S2 (August 2012): S306—S314. http://dx.doi.org/10.1017/s0007114512002498.

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The nutritive value of food protein sources is dependent on the amino acid composition and the bioavailability of the nutritionally indispensable amino acids. Traditionally the methods developed to determine amino acid bioavailability have focused on intestinal absorption or digestibility, which is calculated as the percent of amino acid intake that does not appear in digesta or faeces. Traditional digestibility based methods do not always account for gut endogenous amino acid losses or absorbed amino acids which are unavailable due to the effect of heat processing and the presence of anti-nut

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Reeds, Peter J., Douglas G. Burrin, Teresa A. Davis, Marta L. Fiorotto, Barbara Stoll, and Johannes B. van Goudoever. "Protein nutrition of the neonate." Proceedings of the Nutrition Society 59, no. 1 (February 2000): 87–97. http://dx.doi.org/10.1017/s0029665100000112.

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The period of growth and development between birth and weaning is crucial for the long-term well-being of the organism. Protein deposition is very rapid, is achieved with a high nutritional efficiency, and is accompanied by marked differences in the growth rates of individual tissues and a series of maturational processes. These important aspects of development occur while the neonate is consuming a single and highly-specific food source, milk. Surprisingly, although there is a clear relationship between the nutrient density of milk and the growth rate of its recipient, this relationship does

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Yu, Feng, P. J. Moughant, T. N. Barry, and W. C. McNabb. "The effect of condensed tannins from heated and unheated cottonseed on the ileal digestibility of amino acids for the growing rat and pig." British Journal of Nutrition 76, no. 3 (September 1996): 359–71. http://dx.doi.org/10.1079/bjn19960042.

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The effect of condensed tannins (CT) from heated and unheated cottonseed on the apparent ileal digestibility of amino acids for the growing rat and pig was determined. In Expt 1, twenty-four rats were allocated to four semi-purified diets which contained cottonseed kernel and hulls as the only protein source. Two of the diets contained unheated solvent-extracted cottonseed kernel and hulls, while the remaining two diets contained similar material but which had been heat-treated by autoclaving at 110° for 120 min. In Expt 2, twelve rats and twelve pigs were fed on four semi-purified diets conta

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Rochell, Samuel J. "80 Precision Nutrition to Enhance Poultry Performance and Health: the Role of Functional Amino Acids." Journal of Animal Science 101, Supplement_3 (November 6, 2023): 175. http://dx.doi.org/10.1093/jas/skad281.212.

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Abstract Dietary amino acids drive the performance and meat yield of modern broiler strains, and as such, amino acids are among the most economically important nutrients in poultry feeds. At the same time, minimizing N excretion is an increasingly prevalent sustainability target for poultry producers across the world, and this goal is often pursued by feeding reduced crude protein diets. Moreover, poultry production has largely transitioned away from the use of in-feed antibiotic growth promoters, bringing attention to the impact of dietary protein and amino acid levels on the intestinal and o

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Blachier, Francois, Mireille Andriamihaja, and Anne Blais. "Sulfur-Containing Amino Acids and Lipid Metabolism." Journal of Nutrition 150, Supplement_1 (October 1, 2020): 2524S—2531S. http://dx.doi.org/10.1093/jn/nxaa243.

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ABSTRACT The metabolism of methionine and cysteine in the body tissues determines the concentrations of several metabolites with various biologic activities, including homocysteine, hydrogen sulfide (H2S), taurine, and glutathione. Hyperhomocysteinemia, which is correlated with lower HDL cholesterol in blood in volunteers and animal models, has been associated with an increased risk for cardiovascular diseases. In humans, the relation between methionine intake and hyperhomocysteinemia is dependent on vitamin status (vitamins B-6 and B-12 and folic acid) and on the supply of other amino acids.

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Rutherfurd, Shane M., and Paul J. Moughan. "Available versus digestible dietary amino acids." British Journal of Nutrition 108, S2 (August 2012): S298—S305. http://dx.doi.org/10.1017/s0007114512002528.

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Available amino acids are those absorbed from the gastrointestinal tract in a form suitable for body protein synthesis. True ileal digestible amino acids are determined based on the difference between dietary amino acid intake and unabsorbed dietary amino acids at the terminal ileum. The accuracy of ileal digestible amino acid estimates for predicting available amino acid content depends on several factors, including the accuracy of the amino acid analysis procedure. In heat processed foods, lysine can react with compounds to form nutritionally unavailable derivatives that are unstable during

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Ellis, WC, and TH Hill. "Importance of dietary amino acids in the nutrition of grazing ruminants." Annales de Zootechnie 44, Suppl. 1 (1995): 231. http://dx.doi.org/10.1051/animres:199505199.

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Khan, Jesmine, Wan Nor I’zzah Wan Mohamad Zain, and Mohammed Nasimul Islam. "Involvement of ACE2 in the intestinal transport of amino acids: Possible health and nutritional consequences in altered expression." Bangladesh Journal of Medical Science 22, no. 4 (September 7, 2023): 729–33. http://dx.doi.org/10.3329/bjms.v22i4.67115.

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Background:Absorption of neutral amino acids across the intestinal cells is mediated by the broad neutral amino acid transporter B0AT1. Intestinal expression of B0AT1 depends on the coexistence with the membrane-attached angiotensin-converting enzyme 2 (ACE2) which binds to the B0AT1 or the sodium-dependent imino-acid transporter 1 (SIT1) in the intestinal epithelial cells. Objectives:The objective of this article is to provide an overview of the involvement of ACE2 in the transport of amino acids from the intestinal lumen and possible harmful effects on health and nutrition due to altered ACE

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Downing, J. A., J. Joss, and R. J. Scaramuzzi. "A mixture of the branched chain amino acids leucine, isoleucine and valine increases ovulation rate in ewes when infused during the late luteal phase of the oestrous cycle: an effect that may be mediated by insulin." Journal of Endocrinology 145, no. 2 (May 1995): 315–23. http://dx.doi.org/10.1677/joe.0.1450315.

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Abstract The positive relationship between nutritional state and ovulation rate in sheep may involve the action of specific nutrients on gonadotrophin release. LH and FSH secretion is controlled in part by hypothalamic GnRH, which is in turn influenced by central adrenergic and serotonergic neuronal systems. In this experiment the branched chain amino acids (BCAAs) leucine, isoleucine and valine were examined for effects on LH and FSH secretion. A mixture of the three amino acids was infused into ewes for 5 days immediately before luteolysis, a time when nutritional effects on ovulation rate o

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Firdaus, Dzikri Anfasa, Dimas Andrianto та Noviyan Darmawan. "Amino Acids Isolation from α-keratin of Javanese Goat (Capra hircus) Hair and Garut Sheep (Ovis aries) Hair Waste Using Acid Hydrolysis Method as BCAA Supplement". Jurnal Kimia Valensi 10, № 1 (11 червня 2024): 123–32. http://dx.doi.org/10.15408/jkv.v10i1.38146.

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Javanese goat and Garut sheep hair contain α-keratin, a protein that can be broken by hydrolysis to produce simpler amino acids. Feather waste generates millions of tons of α-keratin biomass originating from animal slaughterhouses, thereby raising health concerns. The utilization of acid hydrolysis is considered to be more cost-effective compared to enzymatic hydrolysis, and it provides a broader range of amino acid cleavage sites compared to enzymes, which exhibit specific cleavage. This study aimed to isolate amino acids from Javanese goat and Garut sheep hair through acid hydrolysis. The me

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Cambra-López, María, Pablo Jesús Marín-García, Clara Lledó, Alba Cerisuelo, and Juan José Pascual. "Biomarkers and De Novo Protein Design Can Improve Precise Amino Acid Nutrition in Broilers." Animals 12, no. 7 (April 6, 2022): 935. http://dx.doi.org/10.3390/ani12070935.

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Precision nutrition in broilers requires tools capable of identifying amino acid imbalances individually or in groups, as well as knowledge on how more digestible proteins can be designed for innovative feeding programs adjusted to animals’ dynamic requirements. This work proposes two potential tools, combining traditional nutrition with biotechnological, metabolomic, computational and protein engineering knowledge, which can contribute to improving the precise amino acid nutrition of broilers in the future: (i) the use of serum uric nitrogen content as a rapid biomarker of amino acid imbalanc

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