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http://dx.doi.org/10.5187/jast.2021.e16

Effects of microencapsulated organic acids on growth performance, nutrient digestibility, fecal microbial counts, and blood profiles in weaning pigs  

Lee, Jun Soeng (Division of Food and Animal Science, Chungbuk National University)
Kim, Tae Heon (Division of Food and Animal Science, Chungbuk National University)
Song, Min Ho (Department of Animal Science and Biotechnology, Chungnam National University)
Oh, Han Jin (Division of Food and Animal Science, Chungbuk National University)
Yun, Won (Division of Food and Animal Science, Chungbuk National University)
Lee, Ji Hwan (Division of Food and Animal Science, Chungbuk National University)
Kim, Yong Ju (Division of Food and Animal Science, Chungbuk National University)
Lee, Byong Kon (Feed Business Unit)
Kim, Hyeun Bum (Department of Animal Resource and Science, Dankook University)
Cho, Jin Ho (Division of Food and Animal Science, Chungbuk National University)
Publication Information
Journal of Animal Science and Technology / v.63, no.1, 2021 , pp. 104-113 More about this Journal
Abstract
This study was conducted to investigate the efficiency of a microencapsulated mixture of organic acids (MOA) with low protein in piglet feed on growth performance, diarrhea score, nutrient digestibility, fecal microbial counts, and blood profiles in weaning pigs. A total of 80 pigs [(Landrace × Yorkshire) × Duroc; 6.8 ± 0.48 kg] were randomly assigned to four dietary treatment groups: high protein (HP); low protein (LP); MOA1, LP + 0.2% MOA; and MOA2, LP + 0.3% MOA. The MOA2 group had higher average daily weight gains (during days 0-14 and days 0-28), diarrhea score (during days 0-14, during days 14-28 and days 0-28) and greater digestibility of dry matter (days 14 and 28) compared to the LP group (p < 0.05). However, there were no significant differences (p > 0.05) between the pigs fed diets with the MOA1 and MOA2 in blood profiles and fecal microflora. In conclusion, this study indicates that piglets fed 0.3% MOA in low protein diets maintained similar growth performance and nutrient digestibility, but alleviated the incidence of diarrhea compared to piglets fed high protein diets.
Keywords
Microencapsulation; Organic acids; Growth performance; Nutrient digestibility; Weaning pigs;
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