Effects of probiotics: alone and in a mixture of Biosacc plus Zinc Bacitracin on the caecal microflora of Japanese quail.
The aim of this study was to investigate the effects of two commercially available probiotics, alone and in combination with an antibiotic, on the caecal flora of Japanese quail (Coturnix coturnix japonica) reared under unstressed conditions. Thirty-four 90-day-old Japanese quail were selected for this study. The birds were divided into four groups, two groups of nine birds and two groups of eight birds. The animals in these groups were given feed containing 0.5 kg per tonne of probiotics alone (Protexin or Biosacc), a mixture of probiotic plus antibiotic (Biosacc plus Zinc Bacitracin at 0.5 and 0.0525 ppm, respectively), and a group where no supplement was added to be used as controls. The total count of aerobic bacteria, lactobacilli, enterobacteriaceae, coliforms, enteroccoci, salmonellae, sulphite-reducing anaerobic bacteria (clostridia), and pH values in the caecal content of the birds were examined. No significant differences were detected among the four groups for pH values and bacterial number (p>0.05), except for sulphite-reducing anaerobic bacteria (p<0.001). These results suggest that the use of probiotics alone and/or a mixture of a probiotic plus antibiotic as a feed supplement does not have a major suppressing effect on the majority of bacterial groups in the caecal flora of mature, healthy Japanese quail reared in unstressed conditions.
Siriken
Belgin
B
Department of Food Hygiene and Technology, Veterinary Faculty, Afyon Kocatepe University, Ahmet Necdet Sezer Campus, Afyon 03200, Turkey. bsiriken@yahoo.com
Bayram
Ismail
I
Onol
Ahmet Gökhan
AG
D000818:Animals; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D001414:Bacitracin / Q000494:pharmacology*; D001421:Bacteria, Anaerobic / Q000187:drug effects / Q000254:growth & development* / Q000378:metabolism; D002432:Cecum / Q000382:microbiology; D015169:Colony Count, Microbial; D003370:Coturnix / Q000378:metabolism / Q000382:microbiology*; D019587:Dietary Supplements; D019936:Probiotics / Q000494:pharmacology*
D000900:Anti-Bacterial Agents; D001414:Bacitracin