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Pakistan Journal of Nutrition
Year: 2009  |  Volume: 8  |  Issue: 5  |  Page No.: 597 - 600

Supplementation of Yeast Fermented Cassava Chip (YFCC) as a Replacement Concentrate and Ruzi Grass on Rumen Ecology in Native Cattle

Sittisak Khampa, Pala Chaowarat, Rungson Singhalert and Metha Wanapat    

Abstract: Ten, one year old of native cattle with initial body weight of 150 ± 10 kg were randomly divided into two groups and received concentrate at 14% CP (T1) and Yeast Fermented Cassava Chip (YFCC) (T2). The cows were offered the treatment concentrate at 1% BW and ruzi grass was fed ad libitum. Means were compared using T-test. All animals were kept in individual pens and received free access to water. The results have revealed that replacement of YFCC on feed intake was non-significantly different, while Average Daily Gain (ADG) was higher (p<0.05) in native cattle fed YFCC (T2) treatments than received concentrate at 14% CP (T1) (259 and 205 g/d). In addition, the ruminal pH, ammonia-nitrogen and blood urea nitrogen concentration were significantly different (p<0.05). Supplementation of YFCC (T2) could improve population of bacteria and fungal zoospore, but decreased populations of Holotrich and Entodiniomorph protozoa in rumen (p<0.05). The results indicate that supplementation of Yeast Fermented Cassava Chip (YFCC) as a replacement concentrate at 14% CP could improve rumen fermentation efficiency in native cattle.

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