Effects of hot melt extrusion processed nano-iron on growth performance, blood composition, and iron bioavailability in weanling pigs
This study was conducted to investigate the effects of hot melt extrusion (HME) nano-iron as an alternative for the common ferrous sulfate on iron (Fe) bioavailability, growth performance, nutrient digestibility, intestinal morphology, and...
| Main Authors: | , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Korean Society of Animal Sciences and Technology
2019-07-01
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| Series: | Journal of Animal Science and Technology |
| Subjects: | |
| Online Access: | http://www.ejast.org/archive/view_article?pid=jast-61-4-216 |
| Summary: | This study was conducted to investigate the effects of hot melt extrusion (HME)
nano-iron as an alternative for the common ferrous sulfate on iron (Fe)
bioavailability, growth performance, nutrient digestibility, intestinal
morphology, and intestinal microbiota of weanling pigs. A total of 200 piglets
(Landrace × Yorkshire × Duroc) were randomly allotted to seven
treatments on the basis of initial body weight (BW) and sex. Treatments were the
INO100 (100 ppm Fe as FeSO4), HME-Fe levels (50, 75, and 100 ppm
nano-Fe as FeSO4). ORG100 (100 ppm Fe as iron methionine). In phase
1, the HME50 pigs showed the lowest Fe content in feed and feces. Plasma Fe
concentration was increased in HME100 and ORG100 pigs. In phase 2, there were
significantly lower concentration of Fe in feed and feces of HME50 pigs
(p < 0.01). A lower Fe concentration in the plasma
and liver were observed in HME50 pigs compared with HME100 pigs. Concentration
of red blood cell (RBC) was the lowest (p < 0.01) for
HME50 pigs. During phase 2, the HME100, HME75, and ORG100 pigs showed a higher
RBC and hemoglobin values compared with HME50 pigs. Digestibility of gross
energy (GE) and crude protein (CP) were significantly higher in HME100 pigs
compared with HME50 pigs. There was an increased (p <
0.01) villus height in the duodenum and jejunum of HME100 pigs compared with
HME50 pigs. It is concluded that dietary Fe does not improve growth performance
of weanling pigs; however, increasing the dietary iron concentration in weanling
piglets increased the RBC and hemoglobin. In addition, the potential ability of
HME to be used at a lower level (HME75) was observed. |
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| ISSN: | 2672-0191 2055-0391 |