Effect Of Bacterial Load In Feeds On Intestinal Microflora Of Seabream (Sparus Surata) Larvae And Juveniles
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2005
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Israeli Journal of Aquaculture - BAMIGDEH
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Abstract
Aerobic bacterial flora in the intestines of seabream (Sparus aurata) larvae and juveniles, in diets they were fed (rotifers, brine shrimp, artificial diet), and in their rearing water were analyzed. Fish fed live feeds had a higher bacterial count than the fish fed the artificial diet. In rotifers, the total bacteria count was 8.7 x 106 and Pseudomonas dominated the flora (60.2%). In larvae fed rotifers, the bacteria count was 9.8 x 102, with Pseudomonas (48.4%) and Vibrio (28.3%) domi- nating. In brine shrimp, the bacterial count was 1.7-3.5 x 107 cfu/g and Vibrio (73.7-81.3%) was more prevalent than Pseudomonas (10.2-15.5%). In larvae fed brine shrimp, the bacterial count was 5.3 x 104-1.8 x 105 and Vibrio (61.2-70.1%) dominated. The count for the artificial feed was 1.2 x 104 with Pseudomonas slightly dominating while for juveniles fed artificial feed the count was 2.3 x 104, with Vibrio slightly dominating. Bacterial microflora in the rearing water ranged from 1.3 x 102 to 3.2 x 103 cfu/ml. The study showed that the microflora of fish feeds quantita- tively and qualitatively affect the intestinal microflora of seabream larvae and juveniles.
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Keywords
bacterial load, feeds, intestinal microflora, Sparus aurata, Fish culture--Israel--Periodicals., Fish culture--Periodicals., Aquaculture--Israel--Periodicals., Aquaculture--Periodicals.
Citation
Savas, S., Kubilay, A., & Basmaz, N. (2005). Effect Of Bacterial Load In Feeds On Intestinal Microflora Of Seabream (Sparus Surata) Larvae And Juveniles. The Israeli Journal of Aquaculture - Bamidgeh, 57(1), 3-9.
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7 pages
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