Journal
ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES
Volume 25, Issue 8, Pages 1178-1183Publisher
ASIAN-AUSTRALASIAN ASSOC ANIMAL PRODUCTION SOC
DOI: 10.5713/ajas.2012.12111
Keywords
Cinamaldehyde; Eugenol; Herb; Pigs
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A 5-wk trial with 96 ((LandracexYorkshire)xDuroc) pigs (BW = 26.56 +/- 0.42 kg) was conducted to investigate the effect of eugenol and cinnamaldehyde as feed additive in growing pigs. Pigs were assigned to 1 of 3 treatments in a randomized complete block design according to their sex and BW. Each treatment contained 8 replications with 4 pigs (2 gilts and 2 barrows) per pen. Treatments included: control (basal diet; CON); (basal diet+1,000 mg eugenol/kg; ET); (basal diet+1,000 mg cinnamaldehyde/kg; CT). Administration of eugenol and cinnamaldehyde did not did not affect (p>0.05) the growth performance and apparent total tract digestibility. Dietary CT and ET led to a higher (p<0.05) lymphocyte concentration compared with CON. The inclusion of CT and ET decreased (p<0.05) the fecal E. coli concentration (p>0.05). Pigs fed the diets supplemented with eugenol and cinnamaldehyde had reduced (p<0.05) NH3 and H2S concentration throughout the experiment. In conclusion, results obtained in the present study indicated that supplementation of eugenol and cinamaldehyde had no effect on growth performance of pigs but exhibited lymphocyte-enhancing activity and decreased the fecal E. coli concentration and fecal noxious gas content (NH3 and H2S).
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