# USE OF COW FAECES AT DIFFERENT TIMES AFTER BEING VOIDED AS A SOURCE OF MICRO-ORGANISMS IN IN VITRO DIGESTIBILITY ASSAYS OF FORAGES

• Akhter, S. (Department of General Animal Science, Bangladesh Agricultural University) ;
• Owen, E. (University of Reading, Department of Agriculture) ;
• Hossain, M.M. (Department of General Animal Science, Bangladesh Agricultural University)
• Accepted : 1996.02.05
• Published : 1996.08.01
• 32 3

#### Abstract

Experiments were conducted to determine the effect of time intervals between collecting and use of cattle faeces as a source of micro-organisms in in vitro digestibility assays of forages. The results suggested that temperature conservation capacity by faeces depended on the size of the sample. There was no significant difference(p>0.05) between the first (T1 or 08:30 h) and second using time (T2 or 10:30 h). In vitro organic matter digestibility was significantly lower when faeces was used 5 h (T3 or 13:30 h) after collection. However, the organic matter digestibility determined at the second using time (T2) and third using time (T3) were highly correlated ($R^2=0.99$) with the first using time. It was concluded that faeces can be used as a source of microorganisms for in vitro digestibility assays of forages even 5 h after being voided.

#### Keywords

In Vitro Digestibility;Cow Faeces;Using Time