TY  - JOUR
T1  - Supplementation of Yeast Fermented Cassava Chip as a Replacement Concentrate on Rumen Fermentation Efficiency and Digestibility of Nutrients in Heifer
AU - , Sittisak Khampa AU - , Pala Chaowarat AU - , ungson Singhalert AU - , Ruangyote Pilajun AU - , Metha Wanapat 
JO  - Journal of Animal and Veterinary Advances
VL  - 8
IS  - 6
SP  - 1091
EP  - 1095
PY  - 2009
DA  - 2001/08/19
SN  - 1680-5593
DO  - javaa.2009.1091.1095
UR  - https://makhillpublications.co/view-article.php?doi=javaa.2009.1091.1095
KW  - Saccharomyces cerevisae
KW  -cassava chip
KW  -rumen fermentation
KW  -heifer
KW  -Yeast
KW  -digestibility
AB  - Ten, 1 year old of dairy heifers with initial body weight of 150&plusmn;10 kg were randomly divided into 2 groups and received concentrate at 14% CP (T<SUB>1</SUB>) and Yeast Fermented Cassava Chip (YFCC) (T<SUB>2</SUB>). The cows were offered the treatment concentrate at 1% BW and urea-treated rice straw was fed <I>ad libitum</I>. 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) and digestibility of nutrients were higher (p&lt;0.05) in heifer fed YFCC (T<SUB>2</SUB>) treatments than received concentrate at 14% CP (T<SUB>1</SUB>) (254.3 and 219.4 g day<SUP>-1</SUP>). In addition, the ruminal pH, ammonia-nitrogen and blood urea nitrogen concentration were significantly different (p&lt;0.05). The concentration of volatile fatty acid was significantly different especially the concentration of propionic acid was slightly higher in heifer receiving T<SUB>2</SUB> than T<SUB>1</SUB>. Supplementation of YFCC (T<SUB>2</SUB>) could improve population of bacteria and fungal zoospore, but decreased populations of <I>Holotrich</I> and <I>Entodiniomorph</I> protozoa in rumen (p&lt;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 and digestibility of nutrients in dairy heifers.
ER  -