Lipid nutrition in pigs

05 May 2022

Lipid nutrition in pigs

Lipid nutrition in pigs is a matter of interest at different levels. Historically, the use of lipids for pig nutrition has focused on the effects of dietary fat on yield during different stages of production.

For nulliparous sows and sows during late gestation and lactation, focus has been set on to the influence of lipid supplementation on milk production, lipid content in milk, and piglet yield and viability (Verstegen et al., 1998).

 

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On the other hand, efforts have been set on the digestibility and energy value of lipids and in manipulating pigs’ nutritional quality, emphasizing on fatty acid (FA) composition in order to comply with human health recommendations. (Jakobsen, 1999;  Wood et al., 2004).

 

Short-chain fatty acids (SCFAs, i.e., acetate, propionate, butyrate), which can be added as food additives, are produced through microbial fermentation of indigestible carbohydrates and starch in the hind gut. With the added benefit of energy contribution for the host (Sciascia et al. , 2016).

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Lipid digestibility in pigs

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Digestion, absorption and metabolism of dietary lipids are affected by their fatty acid composition, and more specifically, the degree of saturation and length of the chain.  The position of fatty acids within the TG molecule also has an influence.

In general, unsaturated lipids are more digestible in pigs than saturated lipids. This can be attributed to the possibility of lipase accessing TGs, (Ravindran et al. 2016).

 

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Continue reading “Effect of fatty acid feeding on sows’ milk”

Source:  Lauridsen, 2020

 

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