Effects of Some Dietary Additives on Growth and Health Status of the Young Common Carp Cyprinus carpio | ||||
| Egyptian Journal of Aquatic Biology and Fisheries | ||||
| Article 16, Volume 27, Issue 2, March and April 2023, Page 221-239 PDF (792.34 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejabf.2023.291753 | ||||
 View on SCiNiTO | ||||
| Author | ||||
| Mohammed. S. Qaddoori et al. | ||||
| Abstract | ||||
| The synbiotic mixture prepared with the local Iraqi probiotic, the commercial imported probiotic, and the commercial imported synbiotic mixture were used as a feed additive in the diets of common carp (Cyprinus carpio) in growth and health performance for a period of 70 days. 75 fingerlings were cultured in a recirculating aquaculture system with an average starting weight of 11.15 ± 1 g and an average length of 9.1 ± 1.5 cm. The fish were randomly distributed among five treatments, with three replicates for each treatment and five fish for each replicate. A standard diet was prepared to which 0.1% each of the Iraqi probiotic (T2), the commercially imported probiotic (T3), the commercially imported synbiotic mixture (T4), and the synbiotic mixture prepared (T5) from lactic acid bacteria (Streptococcus themophilus, Lactococcus bulgaricus) were added to it. The fish were fed experimental diets at 3% of the body weight, and the fish were weighed every 14 days. The results showed that the fifth treatment, T5, was superior to the studied traits. The results indicated that there was a significant difference (P<0.05) between it and the experimental coefficients in terms of growth criteria, which included the average final weight 130.48 gm, and weight gain 73.65 gm. The specific growth rate was 1.19 %.g/day, the condition factor was 1.69, the feed conversion ratio was 2.28 and there was an improvement in the immunological health parameters, as the synbiotic mixture treatment prepared was significantly superior (P<0.05) in total protein, albumin and globulin (2.05, 4.14, 2.09) g/dl, respectively, and an increase in glucose 83.31 mg/dl, as well as an improvement in the liver enzymes (AST, ALP, ALT) of the fish treated with the prepared synbiotic mixture (4.74, 54.13, 97.61) IU/L, respectively. | ||||
| Keywords | ||||
| Common carp; Synbiotic mixture; Lactic acid bacteria; Diet | ||||
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