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Feed

Animal nutrition requires careful control of raw materials and final products to ensure safety, nutritional balance, and compliance with international regulations. Accurate analytical data is essential for producers of livestock feed.

VELP supports the feed industry with robust and high-performing instruments for routine quality control and advanced nutritional analysis. Our solutions help manufacturers and laboratories monitor key parameters throughout the production chain.

We support public and private entities in:

  • Protein determination using Kjeldahl and Dumas methods.
  • Crude and total fat determination using solvent extraction for energy content assessment.
  • Crude and detergent fiber analysis using the Weende method and Van Soest method (ADF, NDF, and LDF) for digestibility studies.
  • Oxidation stability studies of fats and oils for product development and formula optimization, storage period studies, and alternative ingredients testing.
  • Sample preparation for consistent and homogeneous analysis.

Application notes

Choose among a comprehensive library of Application Notes / White Papers and learn more on how to optimize the performance of your VELP instruments. These documents offer typical analyses of well-known samples, together with official references and suggestions, to make you an expert!
E-book - Barley and Feed: N/Protein Determination and Fiber Determination
Discover more about the nutritional properties of barley and how to determine n/protein and fiber to optimize livestock operations. Download the e-book with results on BIPEA proficiency testing sample.
Analytical Instruments
Digestion UnitsDistillation UnitsElemental analyzersFiber Analyzers
E-book - Kjeldahl and Dumas Method Comparison: N/Protein Determination in Feed
Discover more about the Kjeldahl and Dumas methods for the determination of n/protein in various feed samples, a key parameter concerning quality control and protein declaration. Download the e-book with results on BIPEA proficiency testing samples and a comprehensive comparison of the two techniques.
Analytical Instruments
Digestion UnitsDistillation UnitsElemental analyzers
ADF and ADL Determination in Oatmeal
Oats are a whole-grain cereal, known scientifically as Avena sativa. They are mainly grown in North America and Europe. This whole-grain are a very good source of fiber, and are high in vitamins, minerals and antioxidants. Oats contain more soluble fiber than other grains, leading to slower digestion, increased satiety and suppression of appetite.
Analytical Instruments
Fiber Analyzers
ADF Determination in Feed - FIWE Advance
Download the Application Note of FIWE Advance showing the results of ADF in feed that was also part of BIPEA proficiency testing
Analytical Instruments
Fiber Analyzers
Crude Fat Determination in Feed
Fat is an important nutrient in feed rations for cattle, pig, poultry, sheep, horse and pet foods, as a high energy feed ingredient. They are very concentrated sources of energy when added to animal feeds to increase the energy density of the ration.
Analytical Instruments
Solvent Extraction
Crude Fiber Determination in Feed
It is always more important to know the ingredients and amount of all the components, for different reasons, including legal and nutritional purposes (labeling).
Learn how to obtain excellent performance with FIWE Series using Scharrer method and how to work in accordance with ISO.
Analytical Instruments
Fiber Analyzers
Crude Fiber Determination in Feed
It is always more important to know the ingredients and amount of all the components, for different reasons, including legal and nutritional purposes (labeling).
Learn how to obtain excellent performance with FIWE Advance using Weende method and how to work in accordance with ISO and AOAC.
Analytical Instruments
Fiber Analyzers
Crude Fiber Determination in Feed (Weende Method) - FIWE Advance
Fiber is nutritionally important because it represents the organic portion of feeds and foods that is the most difficult to digest. Download the Application Note to appreciate the results obtanined with the FIWE Advance
Analytical Instruments
Fiber Analyzers
Guidelines for choosing the correct Velp Kjtabs in Kjeldahl Analysis
The digestion phase is the most time-consuming step of the Kjeldahl analysis. Speeding up the process and ensuring a proper outcome is of fundamental importance when it comes to efficiency in the laboratory.
VELP designed seven different types of accurately pre-dosed KjTabs™ tablets to speed up the mineralization process. Along with catalysts, VELP produces antifoaming KjTabs™ to reduce foam formation during the initial phase of the mineralization process.
Analytical Instruments
ConsumablesDigestion Units
N/Protein Determination in Barley - Dumas vs Kjeldahl Method
Protein content of malting barley is important because it affects malting, brewing, and their end products. Discover more on the results obtained with Kjeldahl and Dumas Method
Analytical Instruments
Digestion UnitsDistillation UnitsElemental analyzers
N/Protein Determination in Feed - Dumas/Combustion method
Protein is a critical nutrient in cattle, pigs, poultry, sheep, horses and pet food diets. The protein requirements of cattle vary with age, size, and expected performance. Learn how to obtain excellent performance with NDA Series and how to work in accordance with AOAC.
Analytical Instruments
Elemental analyzers
N/Protein Determination in Feed - Kjeldahl method
Protein is a critical nutrient in cattle, pigs, poultry, sheep, horses and pet food diets. It is required for milk production and reproductive tract reconditioning after calving.
Learn how to obtain excellent performance with DK / DKL and UDK Series and how to work in accordance with AOAC.
Analytical Instruments
Digestion UnitsDistillation Units
N/Protein Determination in Rapeseed - Dumas vs Kjeldahl Method
Rapeseed meal, called canola meal in North America, Australia and some other countries, is a high protein-containing material that can be used as a feed for livestock and poultry. Typical meal contains a little less than 40% of protein; however it also contains about 12% of crude fiber.
Analytical Instruments
Digestion UnitsDistillation UnitsElemental analyzers
NDF Determination in Feed - FIWE Advance
Download the Application Note of FIWE Advance showing the results of ADF in feed that was also part of BIPEA proficiency testing
Analytical Instruments
Fiber Analyzers