Korean Journal of Agricultural Science (농업과학연구)

Institute of Agricultural Science, CNU (충남대학교 농업과학연구소)
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Effect of sodium stearoyl-2-lactylate (PROSOL®) supplementation on growth performance and nutrient digestibility in growing pigs

  • Vetriselvi, Sampath (Department of Animal Resource and Science, Dankook University) ;
  • In Ho, Kim (Department of Animal Resource and Science, Dankook University)
  • Received : 2022.01.10
  • Accepted : 2022.02.17
  • Published : 2022.03.01
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Abstract

The aim of this study is to evaluate the effects of supplementation of low-energy diets with PROSOL® (sodium stearoyl-2-lactylate) as an emulsifier on the growth performance and nutrient digestibility of growing pigs. A total of 120 crossbred ([Landrace × Yorkshire] × Duroc) growing pigs with an average initial body weight of 23.80 ± 4.87 kg were used in a 56-day feeding trial and were sorted into three dietary treatments. Each treatment utilized eight replications with five pigs per pen. The dietary treatments were as follows: PC (high, net energy diet [NE] = 2,488 kcal·kg-1 [weeks 1 to 4] and NE = 2,477 kcal·kg-1 [weeks 5 to 8]); NC (low, NE = 2,472 kcal·kg-1 [weeks 1 to 4] and NE = 2,468 kcal·kg-1 [weeks 5 to 8]); NC1 (NC + 0.05% PROSOL® emulsifier). Growth performance outcomes were measured at the initial point and at weeks 4 and 8 while nutrient digestibility parameters were measured at weeks 4 and 8. From weeks 1 - 8, body weight and the average daily gain of the NC1 group pigs showed significant increases (p < 0.05) compared to those of the PC and NC treatment groups. At the end of the trail, pigs fed a diet containing low net energy with 0.05% of the emulsifier showed reduced feed conversion ratio (FCR) levels. However, the average daily feed intake and nutrient digestibility of dry matter and nitrogen remained unaffected throughout the experiment. In summary, the addition of a low-net-energy diet with 0.05% sodium stearoyl-2-lactylate as an emulsifier enhanced the body weight and daily gain with no adverse effects on nutrient digestibility in growing pigs.

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References

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