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19 February 2019 The effects of microencapsulated compounds supplementation on growth performance, immune cells, and rectal temperature in weaned pigs by lipopolysaccharides
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Abstract

A total of forty 21-d-old weaned and crossbred pigs [(Landrace × Yorkshire) × Duroc] with an average initial body weight of 4.43 ± 1.41 kg were used for this 2 wk experiment. There were four treatments. Each treatment had 10 replicates with five pigs per pen. Treatments were as follows: (1) microencapsulated complex of organic acids and essential oils (MOE)-, lipopolysaccharide (LPS)+; (2) MOE-, LPS-; (3) 0.2% MOE+, LPS+; and (4) 0.2% MOE+, LPS-. Final body weight, body weight gain, average daily gain, and average daily feed intake were significantly different between MOE+ and MOE- (P < 0.05). Based on the results of MOE+, crude protein digestibility was significantly higher than for MOE- (P < 0.05). However, LPS+ was significantly higher than LPS- in the 4, 8, 12, and 16 h (P < 0.05). From a comparison of blood profiles, cortisol, tumor necrosis factor-α, interleukin-1β, neutrophil, lymphocyte, red blood cell, hemoglobin, and hematocrit were significantly different between LPS+ and LPS- (P < 0.05). The immunoglobulin G, white blood cell, and eosinophil were significantly different between LPS and MOE treatments (P < 0.05). In summary, MOE had a potentially good effect on growth performance and some part of immune response in weaned pigs.

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Woo Gi Kwak, Min Ho Song, Dong Hoon Lee, Won Yun, Ji Hwan Lee, Chang Hee Lee, Han Jin Oh, Shudong Liu, Ji Seon An, Hyeun Bum Kim, and Jin Ho Cho "The effects of microencapsulated compounds supplementation on growth performance, immune cells, and rectal temperature in weaned pigs by lipopolysaccharides," Canadian Journal of Animal Science 99(3), 505-513, (19 February 2019). https://doi.org/10.1139/cjas-2018-0166
Received: 6 September 2018; Accepted: 26 November 2018; Published: 19 February 2019
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