0.857
IF5
0.900
IF
Q3
JCR
0.92
CiteScore
0.405
SJR
Q2
SJR
20
MNiSW
165.24
ICV
ORIGINAL PAPER
 
CC-BY 4.0
 
 

Effect of adding mannan-oligosaccharide to the diet on the performance, weight of digestive tract segments, and caecal digesta parameters in young turkeys

Z. Zduńczyk 1,  
 
1
Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Division of Food Science, Tuwima 10, 10-747 Olsztyn, Poland
2
Department of Poultry Science, University of Warmia and Mazury in Olsztyn, Oczapowskiego 5, 10-718 Olsztyn, Poland
J. Anim. Feed Sci. 2003;12(1):133–142
Publish date: 2003-01-02
KEYWORDS
ABSTRACT
Turkey chickens were fed for 4 weeks with starter diets containing 0.1, 0.2 and 0.4% mannan-oligosaccharide (groups MOS-0.1, MOS-0.2, and MOS-0.4, respectively) and a control diet without oligosaccharides. Supplementation of diets with mannan-oligosaccharide had no statistically significant influence on growth or relative weight of the stomach, small intestine or colon. MOS had a different influence on the weight of the caeca and caecal digesta parameters. Gradually increasing mannan supplementation to the diet lowered caecal tissue and digesta weight compared with the control group. The dry matter of caecal digesta was unaffected by the added mannan, the ammonia and nitrogen contents were reduced, but the pH of the caecal content was significantly greater after mannan supplementation than in the control group. Compared with the control diet, mannan intake caused a slight increase in short-chain fatty acid (SCFA) concentrations in the caeca, especially of propionate, but the caeca SCFA pool (as a consequence of the lower ceacal content) was significantly decreased in groups MOS-0.2 and MOS-0.4. In turkeys fed mannan-diets a decrease in the bacterial glycolytic activity in the caecal digesta was observed, especially in α-glucosidase, α-galactosidase and β-galactosidase activities. A beneficial decrease in β-glucuronidase activity was observed only with the highest amount of MOS in the diet (0.4%).
 
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ISSN:1230-1388