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American Journal of Innovative Research & Applied Sciences
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  | ARTICLES | Am. J. innov. res. appl. sci. Volume 4,  Issue 6, Pages 213-222 (June 2017)
 
 
American Journal of innovative
Research & Applied Sciences 
ISSN  2429-5396 (Online)
OCLC Number: 920041286
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| JUNE | VOLUME 4 | N° 6 | 2017 |
Research Article
HAEMATOLOGICAL PROFILE AND GROWTH RESPONSE OF AFRICAN SHARPTOOTH CATFISH (Clarias gariepinus, Burchell 1822) FINGERLINGS TO LOCALLY FORMULATED AND COMMERCIAL PELLETED DIETS IN TARPAULIN TANKS


       | Ofonime Edet Afia | and | Gift Samuel David  |
. A
m. J. innov. res. appl. sci. 2017; 4(6):213-222.

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PDF FULL TEXT |   
|Received | 11 May 2017|          |Accepted | 21 May 2017|         |Published 28 May 2017 |

ABSTRACT

Background: The desire of a fish farmer is to produce table-sized fish within the shortest possible period. This can be achieved by providing a good feed since the growth of a fish is influenced by its feed utilization and the feed utilization is a function of the balanced nutrient composition of the feed. Haematological studies have been employed in aquaculture and are usually associated with the feed input because blood parameters have been proved to be valuable tools in determining the health status of the fish in response to the dietary manipulations. Objective: This study investigated haematological indices and growth performance of Clarias gariepinus fingerlings fed locally formulated (sinking) and commercial (floating) pelleted diets in tarpaulin tanks. Materials and methods: Ninety fingerlings of initial mean weight (4.87 g) were observed for an 8 weeks feeding trial with three replicates at a stocking density of 15 fish/m2. The fish were fed three times daily at 5% biomass. Results: Results from growth parameters showed that C. gariepinus fingerlings fed floating (commercial) diet had significantly higher (p<0.05) final mean weight (921.73 g ± 47.44) than sinking (locally formulated) diet (184.22 g ± 20.54). Fish fed commercial diet had significantly higher (p<0.05) production index (1454.13 ± 101.28) than locally formulated (191.43 ± 33.27). Water quality parameters including temperature (°C), dissolved oxygen (mg/l) and pH were not significantly different (p>0.05) during the study and were maintained within acceptable range. Haematological analysis shows significant difference (p<0.05) in haemoglobin concentration (Hb) between fish fed floating (7.53 ± 0.20) and sinking (5.63 ± 0.18) diets. Packed Cell Volume (PCV) was significantly higher (p<0.05) in fish fed floating (24.67 ± 0.88) than fish fed sinking (17.00 ± 0.58) diets. Red Blood Cells (RBC) was also significantly higher (p<0.05) in fish fed floating (1.53 ± 0.07) than sinking (1.27 ± 0.03) diets. However, White Blood Cells (WBC) was significantly lower in fish fed floating (3.27 ± 0.09) than sinking (8.43 ± 0.09) feed. Mean Corpuscular Volume (MCV) was significantly higher (p<0.05) for C. gariepinus fed floating (141.67 ± 1.76) than sinking (124.67 ± 1.76). There was no significant difference (P>0.05) in Mean Corpuscular Haemoglobin (MCH) and Mean Corpuscular Haemoglobin Concentration (MCHC) for fish fed floating and sinking feed but both blood parameter was higher in fish fed floating (44.67 ± 1.76; 32.67 ± 0.88) than fish fed sinking (42.33 ± 0.88; 32.33 ± 0.88) respectively. Conclusion: Based on these findings, the different feed forms did not significantly affect blood parameters and at such can be utilized by catfish farmers but commercial feed is recommended since it gives better growth response.
Keywords: floating feed, sinking feed, blood parameters, proximate composition, feed utilization, protein
*Correspondant author and authors Copyright © 2017:

| Ofonime Edet Afia 1* | and | Gift Samuel David 2 |
Affiliation.

1. University of Uyo | Department of Fisheries and Aquatic Environmental Management | Uyo | Nigeria |
2. University of Uyo | Department of Fisheries and Aquatic Environmental Management | Uyo | Nigeria |
This article is made freely available as part of this journal's Open Access: ID | Belhabra -ManuscriptRef.3-ajira180517 |