Abstract
The effect of rapeseed (RSO) and linseed (LSO) oils on the methane concentration and number of rumen ciliates ( Eremoplastron dilobum ) incubated in vitro was investigated. A 5% dose of rapeseed oil reduced the methane concentration by about 14% (P Eremoplastron dilobum .
Highlights
Methanogens associated with ciliate protozoa are responsible for 9-25% of the total methane production in the rumen, they significantly contribute to the methane emission from ruminant production (Hergarty, 1999)
The objectives of the present study were to investigate the effect of rapeseed and linseed oils rich in C18:1 and C18:3 fatty acids on methane production and the number of the rumen ciliate, Eremoplastron dilobum, during 24 h incubation in vitro
This study showed that vegetable oils rich in C18:1, C18:3 fatty acids differently affected the number of the rumen ciliate, Eremoplastron dilobum, grown in vitro
Summary
Methanogens associated with ciliate protozoa are responsible for 9-25% of the total methane production in the rumen, they significantly contribute to the methane emission from ruminant production (Hergarty, 1999). Vegetable oils are considered to be a natural source of unsaturated fatty acids (UFA) influencing the METHANE RPODUCTION AND EREMOPLASTRON DILOBUM COUNT protozoa count and, ruminal methanogenesis. There is conflicting evidence suggesting both a stimulatory and a toxic effect of long-chain fatty acids on ruminal protozoa (Ivan et al, 2001; Kišidayová et al, 2005). The objectives of the present study were to investigate the effect of rapeseed and linseed oils rich in C18:1 and C18:3 fatty acids on methane production and the number of the rumen ciliate, Eremoplastron dilobum, during 24 h incubation in vitro
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