Feed Solutions · Digestion and performance
Emulsifier
A lysophospholipid is a phospholipid that has lost one of its two fatty acid chains. More water-soluble than the lecithin it comes from, it emulsifies dietary fat better. Linkalyso is a lysolecithin emulsifier supplied as a beige to light-brown powder, a feed additive for poultry, pigs and aquaculture.
The problem
Fats are the most concentrated energy source in the diet, and often one of the most expensive. To be digested, they first have to be emulsified into fine droplets that lipase can work on. In young animals, whose bile salt and lipase production has not yet reached its full level, this step limits fat digestion.
An emulsifier added to animal feed helps this step: more surface offered to lipase, and fatty acids, fat-soluble vitamins and pigments that are better absorbed.
Getting more out of the same formula is what the cost of energy in feed is all about.
The principle
Removing one fatty acid chain changes how the molecule behaves in water.
Lecithin or lysolecithin
Lecithin is a mixture of phospholipids: two fatty acid chains per molecule, and a real but limited emulsifying power in a watery medium such as the gut content.
Lysolecithin is derived from it by enzymatic hydrolysis, which removes one of the two chains. Its structure becomes more hydrophilic: it forms finer, more stable emulsions, at a lower concentration. That is what the term lysophospholipids refers to.
In feed, lecithin and lysolecithin are therefore not compared at the same rate: what counts is the emulsion obtained and the digestibility of the fat in your diet.
Measuring the value
An emulsifier is judged on the energy it recovers, not on a promise. The right method is a comparative trial on your formula: a control batch, a Linkalyso batch, the same diet, and measurements of growth, feed conversion and, where possible, fat digestibility.
Another approach is to take a little energy out of the formula for the Linkalyso batch and check that performance holds. That is the formulator’s question: what is one point of energy worth in my formula? We build that protocol with you.
The grade
Linkalyso comes as a beige to light-brown powder, for all species.
linkalyso
Indicative rate; we fine-tune it with you according to species, the fat in the diet and the type of fat.
Each result comes with its conditions; the full details are available on request.
Trial on the product
In tilapia, over 60 days at 0.3 kg/t: feed conversion ratio of 1.42, against 1.82 for the control (university trial published in 2021).
Trial results available on request.Ask for the trial results →
In practice
Emulsifier for animal feed, based on lysophospholipids. Its status varies by country: status in your country and documents on request.
Digestion and performance
Species, stage, fat content and fat sources of the diet: with these, a technician will suggest a rate and a trial protocol.
Ask about Linkalyso →Propose a trial →Phospholipids that have lost one of their two fatty acid chains through enzymatic hydrolysis. More hydrophilic, they form micelles where a phospholipid forms bilayers, and emulsify fat into smaller droplets. Lysolecithin is the best-known form.
Lysolecithin is derived from lecithin: one fatty acid chain less makes it more hydrophilic, so more effective at emulsifying in the gut content, at a lower concentration. The choice is confirmed on the fat digestibility of your diet.
Poultry feed emulsifiers include lecithins, lysophospholipids and other emulsifiers. Lysophospholipids offer high emulsifying power at a low rate; the right choice depends on the fat in your diet and is confirmed by a trial.