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feedstuff Applications

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    Determination of organic acids in feedstuffs and fodder additives

    Introduction

    The method is used for the determination of the mass concentration of oxalic, formic, fumaric, succinic, malic, citric, acetic, propionic, lactic, benzoic, sorbic, butyric acids in fodder additives and butyric acid in silage and haylage by capillary electrophoresis.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Determination of anions in feedstuffs, compound feeds, and feed raw materials

    Introduction

    The method is used for the determination of the mass fraction of water-soluble chloride, nitrate, phosphate, and total sulfate in all types of feedstuffs, compound feeds, fodders, premixes, fodder additives, and feed raw materials (of plant, animal, and mineral origin) by capillary electrophoresis.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Determination of cations in feedstuffs, compound feeds, and feed raw materials

    Introduction

    The method is used for the determination of the mass fraction of total inorganic cations (ammonium potassium, sodium, magnesium, calcium) in all types of feedstuffs, compound feeds, fodders, premixes, fodder additives, and feed raw materials (of plant, animal, and mineral origin) by capillary electrophoresis.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Determination of proteinogenous amino acids in feedstuffs, compound feeds, and feed raw materials

    Introduction

    The method is used for the determination of the mass fraction of total amino acids: arginine, lysine, tyrosine, phenylalanine, histidine, leucine and iso-leucine (as a sum), methionine, valine, proline, alanine, glycine, cystine, tryptophan, aspartic, and glutamic acids in feedstuffs, compound feeds, fodders, premixes, and all types of feed raw materials by capillary electrophoresis.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Determination of organic acids in feedstuff, silage, haylage, and fermentates for biogas plants

    To provide the proper conditions for silage or haylage storage in agriculture it is necessary to regularly monitor the formation of certain organic acids in it. For example, the formation of butyric acid can indicate spoiling of material. Formic or propionic acids can be artificially added to increase the nutritional quality. The same materials and some other biodegradable waists (agricultural residues, sewage sludge, etc.) are also used in biogas plants, where the fermentation process must be carefully monitored, in particular, by the determining the certain organic acids. The present method allows determination of some important organic acids like acetic, lactic, butyric, propionic, and formic in feedstuff additives, silage, haylage and in different biodegradable materials of biogas plants. Some other organic acids (oxalic, fumaric, etc.) can be also determined within this method. 

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Determination of choline (vitamin B4) in feedstuffs, compound feeds, fodder additives, and feed raw materials

    Introduction

    The method is used for the determination of the mass fraction of free choline (synthetic and natural) in feedstuffs by capillary electrophoresis. The method can be applied for all types of feedstuffs, compound feeds, fodders, premixes, fodder additives, and feed raw materials. The present method does not allow the determination of bound choline.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Improved Reproducibility and Reduced Sample Preparation Time for the HPLC Analysis of Aflatoxins in Raw Peanut Paste

    The US FDA and international regulatory agencies have set contamination levels for aflatoxins in animal feedstuffs. Since Aspergillus may infect commodities pre-harvest, during storage or during processing, monitoring for aflatoxins in associated agricultural commodities at all stages of production is requisite. Field screening methods exist that are adequate to estimate contamination levels for aflatoxins. When additional confirmation or quantification is desired, chromatographic laboratory analysis is often necessary. Preparation of matrix samples prior to chromatographic analysis typically requires extraction and purification. Commonly, immunoaffinity columns (IAC), which employ a multi-step bind and elute mechanism to concentrate and purify aflatoxins, are used to purify matrix samples for subsequent analysis. Solid phase extraction (SPE), an alternate method which may use interference removal, can also be employed.

    By Merck KGaA, Darmstadt, Germany based in Darmstadt, GERMANY.

  • Aquaculture Enzymes

    Economical fish and shrimp production requires maximum nutritional efficiency from feed. Enzymes, including phytase, xylanase, cellulase, protease, lipase, and amylase increase the availability of nutrients, increase absorption of nutrients during digestion, increase fish growth rates, and assist in the survival and thriving of fish in the larval stage. Also, the use of lower cost feedstuffs is made possible for aquaculture with the use of added enzymes. Nutrients that are not digestible using the fish’s normal digestive enzymes become digestible when appropriate enzymes are added to these less expensive feedstuffs.

    By BIO-CAT based in Troy, VIRGINIA (USA).

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