Functional Oligosaccharides Affect Rumen Fermentation of Dairy Goats

XIAO Yu, WANG Lihua, CHENG Ming, QI Ru, CHU Yongkang, LIN Yingting

doi:10.3969/j.issn.1006-267x.2011.12.024

Chinese Journal of Animal Nutrition >

2011 , Vol. 23 >Issue 12: 2203 - 2209

DOI: https://doi.org/10.3969/j.issn.1006-267x.2011.12.024

Molecular Nutrition

Functional Oligosaccharides Affect Rumen Fermentation of Dairy Goats

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1. College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China;
2. Institute of Animal Husbandry and Veterinary Medicine of Qingdao, Qingdao 266100, China

Received date: 2011-07-25

Online published: 2011-12-14

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Abstract

To study the effects of different oligosaccharides on rumen fermentation of dairy goats, six dairy goats with an average body weight weight of 32.80±2.45 kg fitted with rumen cannulas were used in a staging and grouping experimental design. Goats in control group were fed a basal diet without oligosaccharides, and the others in experimental groups were fed with the basal diet with 1% mannan oligosaccharides (MOS), galacto-mannan-oligosaccharides (GMOS), fructooligosaccharide (FOS), xylooligosaccharides (XOS) and isomalto oligosaccharides (IMO), respectively. The trial included 4 stages and each stage lasted for 15 days (13-day preliminary trial period and 2-day formal trial period). The results showed that compared with the control group, 1) oligosaccharides could decrease the rumen pH, MOS and GMOS significantly decreased the rumen pH (P<0.01). 2) The ammonia nitrogen (NH₃-N) concentration was decreased in oligosaccharide groups, GMOS and FOS significantly decreased the NH₃-N concentration (P<0.05). 3) Acetic acid and total volatile fatty acid (TVFA) contents were increased in oligosaccharide groups, GMOS significantly increased the acetic acid and TVFA contents (P<0.05). In conclusion, dietary XOS, IMO, FOS, MOS and GMOS are beneficial to improve the rumen fermentation of dairy goats, and the GMOS has the best effects on the rumen fermentation in these five functional oligosaccharides.

Key words： oligosaccharide; dairy goats; pH; ammonia nitrogen; volatile fatty acid

Cite this article

XIAO Yu, WANG Lihua, CHENG Ming, QI Ru, CHU Yongkang, LIN Yingting . Functional Oligosaccharides Affect Rumen Fermentation of Dairy Goats[J]. Chinese Journal of Animal Nutrition, 2011 , 23(12) : 2203 -2209 . DOI: 10.3969/j.issn.1006-267x.2011.12.024

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