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Effect of Some Antibiotics on Cellulolytic Digestion Bacteria and Lactic acid Production Bacteria Activities In Arabi Sheep | ||
| Basrah Journal of Agricultural Sciences | ||
| Article 19, Volume 26, Issue 1, 2013, Pages 138-149 PDF (0 K) | ||
| DOI: 10.33762/bagrs.2013.111343 | ||
| Authors | ||
| A. A. AL-Attar; A. F. AL-Jassim | ||
| Abstract | ||
| This study was conducted on five Arabi ewes equipped with rumen fistula and kept in digestion crates. Animals were fed on 350g of wheat bran, 150g barley and 250g green alfalfa. Mineral blocks and water were available at all times. The first field experiment lasted for 100 days to study the effect of four widely used antibiotics (Amoxicllin, Erythromycin, Ampicilline and Oxytetracycline) on total count of rumen bacteria, count of cellulolytic bacteria and cellulose digestion. Supporting measurements such pH. Results showed The use of either Erythromycin or Oxytetracycline caused a significant drop (p<0.01) in the number of cellulolytic digestion bacteria, compared with that rescored for the control. use of antibiotics lead to a significant drop in lactic acid production bacteria. There were no significant differences in total number of bacteria by using the various antibiotics. Significant effect of Amoxicllin or Ampicilline usage was found on cellulose digestion compared to Oxytetracycline or Erythromycin. The effect on cellulose digestion was noticed at last often 12h of administrating antibiotic. Additive of various antibiotic did not affect rumen pH. | ||
| Keywords | ||
| Antibiotics; total bacteria; Cellulolytic Digestion bacteria; Lactic Production Bacteria; cellulose digstion Arabi | ||
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