Increasing the feed intake of nursery pigs with hydroxy trace minerals

Increasing the feed intake of nursery pigs with hydroxy trace minerals

A study performed in the Netherlands shows that hydroxy trace minerals can improve palatability of piglet diets over sulphate mineral sources. The results show increased chances of maximal feed intake and minimised adverse palatability effects such as post-weaning growth reduction.


Figure 1: Feed intake of piglets fed a free choice of diets containing either an inorganic source of trace minerals (sulphates) or IntelliBond.
*Above time periods denote statistical significance (P) 0.05.

The post-weaning growth reduction represents of the most significant production constraints for pork producers. The multi-factorial stressors surrounding the meaning process can result in poor feed intake due to an abrupt and drastic change in the diet of these animals.
Piglets are acclimated to a highly palatable, energy dense, liquid based diet of sow’s milk. That diet is suddenly changed to a relatively unpalatable, dry/pelleted feed. Thus, any modifications formulators can use to improve palatability or feed intake are of great interest to pig producers in order to maintain intake levels during this transition.
Animals can predominantly taste soluble compounds (i.e. salts, sugars, etc.) due to their strong flavours. Soluble compounds that taste salty, bitter, sour or sweet can be detected by the pigs and affect how they might perceive a diet’s taste (or palatability). Hydroxy trace minerals have been developed as a new source of minerals. They’re virtually insoluble at a pH above 4.0, which makes a big difference in terms of palatability. Comparatively, inorganic sources of minerals such as copper sulphate are highly soluble.
In a recent study in the Netherlands, piglets were provided a free choice of diets containing either sulphate forms of trace minerals (highly soluble) or Selko IntelliBond hydroxy trace minerals (insoluble). It was found that in the first four weeks after weaning, piglets had a significantly higher preference for hydroxy trace mineral diets compared to those with sulphates (see Figure 1). This that Selko IntelliBond improved palatability over sulphate sources of minerals. The benefit? Increased chances of maximal feed intake and minimised adverse palatability effects such as post-weaning growth reduction.

About Selko
Selko is the feed additives brand of Trouw Nutrition, a Nutreco company. Selko’s portfolio consists of natural feed additive solutions that add value to integrators, feed mills and farmers. Focus areas are Salmonella control, feed safety, gut health in antibiotic-fee production systems and trace mineral nutrition solutions. Selko solutions are offered as a complete package consisting of products, know-how and services. The Selko brand encompasses blends of organic acids, organic and hydroxy trace minerals, betaine and mycotoxin binders. Trouw Nutrition’s global sales organisation commercialises the Selko feed additive brand.

Source: Selko

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