Dosage for compound feed

The purpose of compound feed assays is to determine the overall nutritional composition of products intended for animal or human consumption. This analysis provides a comprehensive overview of the main components: proteins, lipids, carbohydrates, fiber, and minerals. It allows formulas to be verified for compliance, formulations to be optimized, and nutritional labeling to be accurate and compliant with regulations.

Analytical methods

The dosage is based on a set of complementary methods allowing each parameter to be precisely assessed:

• Kjeldahl method for the determination of total nitrogen and quantification of crude protein ;
• Soxhlet method for the extraction and determination of total lipids ;
• Ion exchange chromatography or HPLC for the measurement of carbohydrates (simple and complex sugars);
• Gravimetry for fiber or total ash content;
• Near infrared spectroscopy (NIRS) for rapid, non-destructive assessment of nutritional constituents.

These techniques can be combined according to analytical needs and the nature of the matrix. For targeted analyses, also consult the protein assay (Kjeldahl method) , the total lipid assay or the dietary fiber assay available in our catalog.

Industrial applications

This analysis is essential in several areas:

• Animal nutrition : control of the formulation of compound feed to guarantee a balanced supply of nutrients according to the needs of each species (ruminants, poultry, pigs, fish).
• Food industry : verification of nutritional values ​​displayed on the labels of processed products.
• R&D and formulation : development of new recipes or enriched foods based on the desired nutritional profiles.
• Quality control : batch monitoring, detection of non-conformities and evaluation of the stability of formulations.

This panel of analyses constitutes an essential basis for controlling inputs, optimizing production costs and complying with European regulatory requirements.

Analytical interest and complementarity

The dosage for compound feed can be supplemented by other tests in order to obtain a complete nutritional profile:

• Amino acid assay to assess protein quality;
• Mineral determination (ICP-OES, AAS) to determine the content of macro and trace elements;
• NIRS analysis of fodder and raw materials for rapid field control;
• Determination of total and resistant starch for the energy evaluation of formulations.

These additional analyses make it possible to finely adapt formulations, improve digestibility and guarantee the nutritional consistency of finished products.

YesWeLab Services

ISO 17025 and COFRAC standards . Our experts guide you towards the methods and laboratories best suited to your needs, depending on the type of food, analytical objectives and regulatory constraints.

Thanks to our digital platform , you can centralize your requests, track your samples, and view your results online. Since 2020, YesWeLab has been supporting animal nutrition, agri-food, and nutraceutical manufacturers in managing their routine and R&D analyses.

For a quote or additional information, contact our scientific team today.