Effects of functional yeast in piglet diets
The use of sprayed dried plasma protein is common in piglet diets worldwide, but an alternative is available in the form of functional yeast. Trials have observed the effects of functional yeast as a potential replacement for the spray-dried blood product when feeding piglets.
By Frank Xiao, market analyst, Angel Animal Nutrition, China S
prayed dried plasma protein (SDPP) is a feed ingre- dient which is widely used in young animal diets, and the application effect of it is significant. However, with the enhanced focus of the global ani- mal husbandry industry on food and biological safe-
ty, the demand for SDPP has started to decline. There are sev- eral aspects that the pig industry in particular is concerned about; on the one hand there were reports that SDPP may cause Porcine Epizootic Diarrhoea (PED), and on the other hand SDPP has biological homology problems. Although there is no clear conclusion on the fact that PED is caused by SDPP, the replacement of SDPP in young animal diets is gain-
18 PIGLETS - JULY/AUGUST 2016
Research trials examined the potential of yeast to function as a protein for young pigs with the capability to replace sprayed dried plasma protein partially or completely.
ing more and more attention by the animal husbandry indus- try worldwide. GroPro, produced by Chinese manufacturer Angel Yeast, is a feed ingredient derived from yeast and offers an alternative to the use of SDPP in young animal diets around the world. During the third China Biological Feed Technology Conference in 2015, Yin Yulong, an academician of the Chinese Academy of Engineering, presented results from trials carried out in co-operation with the company. His research and practice found that the yeast product has a significant effect on SDPP replacement in young animal diets. Particularly, it was found that matching the yeast product with other pro- tein feedstuffs and replacing SDPP can achieve an improved effect on promoting growth and feed attraction.
Research into SDPP replacement Angel has spent several years on the research and application of its yeast additive’s capability of replacing SDPP partially or completely. When partially replacing SDPP, an experiment was conducted with 32 piglets of 18-days-age. Over a 14 day trial period the piglets were fed a diet where 2% of SDPP in creep feed was replaced with 2% of the yeast product. The addition of the yeast additive reduced the amount of SDPP required in creep feed and improved the growth performance of early weaning piglets (Figure 1).
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