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What Are Fatty Acids?

Saturated fatty acid

Fatty acids are organic compounds that consist of a chain of carbon atoms with hydrogen atoms attached and a carboxyl group (-COOH) at one end. They are the building blocks of fats and oils and play essential roles in the human body. It can be classified according to the length of the carbon chain and the degree of saturation.

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Length of the carbon chain

According to the length of the carbon chain, it can be divided into long-chain fatty acids (more than 14 carbons), medium-carbon-chain fatty acids (6-12 carbons), and short-chain fatty acids (below 6 carbons), but this division is not fixed.



Saturation refers to the number of double bonds in the carbon chain of fatty acids, which can be divided into saturated fatty acids (no double bonds), monounsaturated fatty acids (one double bond), polyunsaturated fatty acids (two or more double bonds), these three Fatty acids have different effects on human health.

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Common dietary sources of fatty acids include oils (such as olive oil, canola oil, and sunflower oil), nuts, seeds, avocados, fatty fish (like salmon and mackerel), and certain animal products. It’s important to maintain a balanced intake of different types of fatty acids to support overall health, with an emphasis on consuming more unsaturated fats and limiting saturated and trans fats.


Importance of fatty acid balance in animal nutrition


Fatty acids play critical roles in animal nutrition as well. Here are some key roles of fatty acids in animal nutrition:


Energy Source

Fatty acids serve as a concentrated source of energy for animals. When consumed in the diet, they can be metabolized to produce ATP, providing fuel for various physiological processes.


Structural Component

Fatty acids are essential components of cell membranes in animals. They contribute to the integrity and fluidity of cell membranes, ensuring the proper functioning of cells and tissues.


Maintenance of Body Temperature

In animals, certain fatty acids, particularly those with longer carbon chains, act as insulation by forming a layer of subcutaneous fat. This layer helps regulate body temperature by preventing heat loss.


Growth and Development

Fatty acids, particularly polyunsaturated fatty acids (PUFAs) like omega-3 and omega-6 fatty acids, are crucial for growth and development in animals. They are involved in the formation and maintenance of tissues, including the brain, nervous system, and immune system.


Reproduction and Fertility

Adequate intake of essential fatty acids is necessary for proper reproductive function in animals. Fatty acids play a role in the synthesis of reproductive hormones, ova (eggs) maturation, and support of reproductive processes.


Immune Function

Fatty acids, particularly certain omega-3 fatty acids, have been shown to have immunomodulatory effects in animals. They can influence the functioning of immune cells, inflammation responses, and overall immune system health.


Palatability and Diet Formulation

Fatty acids contribute to the taste and palatability of animal feeds. Including appropriate fats and oils in animal, diets help improve feed intake and overall diet formulation.


It’s important for animal diets to contain a balanced profile of fatty acids to meet specific species’ requirements and promote optimal health and performance.
About Us

Calid Biotech (Wuhan) Co., Ltd. is a specialized company that focuses on the R&D, manufacturing, promoting, and application of new technologies and products for animal lipid nutrition, providing solutions for the feed-grade fatty acid balancing to customers in the livestock and fishery field.

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