Effect of Ascophyllum nodosum extract on growth performance, digestibility, carcass characteristics and selected intestinal microflora populations of grower–finisher pigs

The effects of an extract of the brown seaweed Ascophyllum nodosum (AN) in grower–finisher pigs are reported. In Experiment 1, the effect of dietary supplementation with increasing levels of AN extract (ANE) on growth performance, carcass characteristics and gastrointestinal microflora was investiga...

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Bibliographic Details
Published in:Animal feed science and technology 2008-04, Vol.141 (3), p.259-273
Main Authors: Gardiner, G.E., Campbell, A.J., O’Doherty, J.V., Pierce, E., Lynch, P.B., Leonard, F.C., Stanton, C., Ross, R.P., Lawlor, P.G.
Format: Article
Language:English
Subjects:
animal growth
Ascophyllum nodosum
Bifidobacteriaceae
Biological and medical sciences
carcass characteristics
dietary supplements
Digestibility
experimental diets
feed additives
Feed and pet food industries
feed conversion
feed intake
feeder pigs
Food industries
Fundamental and applied biological sciences. Psychology
Grower–finisher pigs
Growth performance
Intestinal microflora
intestinal microorganisms
Lactobacillus
liveweight gain
macroalgae
Meat and meat product industries
nitrogen balance
plant extracts
swine feeding
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Summary:The effects of an extract of the brown seaweed Ascophyllum nodosum (AN) in grower–finisher pigs are reported. In Experiment 1, the effect of dietary supplementation with increasing levels of AN extract (ANE) on growth performance, carcass characteristics and gastrointestinal microflora was investigated. A total of 360 pigs were randomly allocated, based on initial live-weight and sex, to one of four experimental treatments as follows; control diet (no ANE), control diet plus 3 g ANE/kg, control diet plus 6 g ANE/kg and control diet plus 9 g ANE/kg. These diets were fed ad libitum up to slaughter. In Experiment 2, eight male pigs were allocated to a control diet (no ANE) or the control diet plus 2.5 g ANE/kg to determine effects of ANE on coefficient of total tract apparent digestibility (CTTAD) of nutrients and nitrogen (N) balance. Supplementation with increasing levels of ANE in Experiment 1 resulted in reduced daily gain, carcass weight and kill-out yield during the combined grower–finisher period (P
ISSN:0377-8401
1873-2216
DOI:10.1016/j.anifeedsci.2007.06.011