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Relationship of rumen degradability with microbial colonization, cell wall constituents and tannin levels in some tree leaves

Published online by Cambridge University Press:  02 September 2010

H. P. S. Makkar ,
B. Singh  and
S. S. Negi
H. P. S. Makkar
Affiliation:
Indian Veterinary Research Institute, Regional Station, Palampur, Kangra Valley, 176 061 HP India
B. Singh
Affiliation:
Indian Veterinary Research Institute, Regional Station, Palampur, Kangra Valley, 176 061 HP India
S. S. Negi
Affiliation:
Indian Veterinary Research Institute, Regional Station, Palampur, Kangra Valley, 176 061 HP India
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Abstract

Rumen microbial attachment to food particles had a significant negative correlation with cell wall contents, cellulose and acid-detergent fibre (ADF) (P < 0·01) and a non-significant correlation with lignin, total phenolic content, condensed tannins and protein precipitation capacity. Microbial colonization was significantly positively correlated with in sacco dry-matter loss (DML) at 48 h of rumen incubation (P < 0·01). The cell wall contents and ADF were good predictors of DML. The relationship of DML (Y) with cell wall contents (X) and ADF (X') were Y = 1·012 – 0·0011Z, r = –0·89 (P < 0·01, no. = 10) and Y = 0·977 – 0·0014X', r = –0·88 (P < 0·01, no. = 10), respectively.

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Type
Papers
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Animal Production , Volume 49 , Issue 2 , October 1989 , pp. 299 - 303
Copyright
Copyright © British Society of Animal Science 1989

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References

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