Open Access Short Research Article

Effect of Partial Replacement of Fishmeal with Leucaena leucocephala Leaf Meal on the Growth Performance of Tilapia zilli Fingerlings

Olusola A. Babalola, Folajuwon A. Fakunmoju

Asian Journal of Fisheries and Aquatic Research, Page 9-14
DOI: 10.9734/ajfar/2020/v9i230154

Aims: A study was carried out to determine the effect of replacing fishmeal with Leucaena leucoephala leaf meal in the diet of Tilapia zilli fingerlings.

Study Design: Three hundred (300) Tilapia zilli fingerlings (9.5±0.5 g/fish, mixed sex) fed with diet containing Leucaena leucoephala leaf meal for 10 weeks at 0%, 2.5%, 5.0%, 7.5% and 10.0% level of inclusion, representing the replacement of fish meal at 0%, 25% 75% and 100% respectively.

Place and Duration of Study:  A study was carried out in the wet laboratory of Fisheries Technology department of Lagos State Polytechnic, Ikorodu between July 2017 and October 2017.

Methodology: Tilapia sp. fingerlings were treated with five diets including a control experiment of which each treatment was replicated thrice, the total number of replicates was fifteen and the experiment was laid out in a completely randomized design.

Results: Statistical analyses revealed that there was no significant difference (P=05) in weight gain, feed conversion ratio and protein efficiency ratio.

Conclusion: L. leucocephala can be recommended in the diet of Tilapia zilli because of its economic in terms of cheapness and abundance especially in the tropical region and its nutritional values as a good source of plant protein.

Open Access Original Research Article

Proximate Composition of Cilok Mackerel Fish Head Flavor Powder

. Junianto, Suci Utami Nur Azizah, Iis Rostini, Rusky Intan Pratama

Asian Journal of Fisheries and Aquatic Research, Page 1-8
DOI: 10.9734/ajfar/2020/v9i230153

This study aims to determine the proximate composition of cilok mackerel fish head flavor powder. This trial was conducted for two months period at the Fishery Product Processing Laboratory, Faculty of Fisheries and Marine Science for the production of cilok mackerel fish head flavor powder, while the cilok proximate test carried out in the Laboratory Application of Chemical and Integrated Service, of the Science-Based Research Center Building Padjadjaran University. The parameters observed in this research are water content, ash content, fat content, and protein content. Based on the findings it was concluded that cilok mackerel fish head flavor powder has a water content of 48.92%; ash content of 2.02%; fat content of 0.07% and protein content of 0.21% respectively.

Open Access Original Research Article

Addition of Tenggiri Fish Head Flavour Powder on Favourite Level of Crackers

Hanifah Nurul Amran, . Junianto, Walim Lili, Iis Rostini

Asian Journal of Fisheries and Aquatic Research, Page 15-21
DOI: 10.9734/ajfar/2020/v9i230155

This study aims to determine the appropriate level of addition of tenggiri fish head flavor powder so that the most preferred cracker product was produced. The research was carried out at the Padjadjaran University fish processing product laboratory from September 2019 to January 2020. The method used was the experimental method with four treatment of adding powder tenggiri fish head flavor 0%, 7.5%, 10%, and 12.5% with 20 semi-trained panelists as replicates. The parameters observed in this study include tests based on organoleptic characteristics including color, aroma, texture, and taste. Data analysis of the level of cracker favourite used non-parametric statistics with a two-way analysis of the Friedman chi-Square test and continued with Bayes method to determine the treatment of adding the best flavor powder to crackers. The results of this study showed that the addition of tenggiri fish head flavor powder influenced the level of cracker preference. Adding 10% flavor powder produces the most favourite crackers.

Open Access Original Research Article

Fisheries Production of Tuna Caught by Tuna Longline that Landed in the Fishing Port of Nusantara Palabuhanratu District Sukabumi, Indonesia

Nazal Abdillah, Dedi Supriadi, Evi Liviawaty, Herman Hamdani

Asian Journal of Fisheries and Aquatic Research, Page 22-32
DOI: 10.9734/ajfar/2020/v9i230156

This study conducted statistical data retrieval at the fishery port of Nusantara (PPN) Palabuhanratu Sukabumi District, Indonesia to analyze the production of tuna fish. Analyzing the index of production values and analyzing the sustainable catches on the tuna, especially with the Tunas longline catch in PPN Palabuhanratu Sukabumi regency. The study was conducted from November 2019 to March 2020. Methods used are survey methods and quantitative analysis. The results of the study showed the average production of three types of tuna (large eye Tuna, yellowfin Tuna and Tuna Albakor) in PPN Palabuhanratu period 2010-2019 is 5,693 tons/year with the average value of Rp. 99.634.022.955 yearly production, The production of tuna (large eye Tuna, yellowfin Tuna and Albakor tuna) in PPN Palabuhanratu affects 67% of the production of capture fisheries that landed in PPN Palabuhanratu during the period of 2010-2019, then the relative index of tuna production value in PPN Palabuhanratu showed an average value of 1.41, means the production value of the three types of tuna (yellowfin Tuna and Tuna Albakor) in PPN Palabuhanratu is higher than the value of the overall production of fish in PPN Palabuhanratu, with a production of 5,693 tons/year, the production already touched the state of overfishing, because it passed the MSY limit of 4,737.05 tons/year.

Open Access Original Research Article

Growth Pattern, Mortality and Exploitation Rate of the Giant African Threadfin, Polydactylus quadrifilis (Cuvier, 1829) from Ebrié Lagoon (Potou Sector, Côte d’Ivoire)

Théophile Aké Bédia, Bakari Coulibaly, Yao Aristide Konan, Essetchi Paul Kouamelan, Valentin N’douba

Asian Journal of Fisheries and Aquatic Research, Page 33-42
DOI: 10.9734/ajfar/2020/v9i230157

The study evaluated some population parameters of Polydactylus quadrifilis within Ebrié lagoon (Potou sector). Samples were obtained using artisanal gillnet fishery from April 2004 to March 2006. A total of 741 individuals of P. quadrifilis ranged from 11 to 70 cm were examined. Population parameters were estimated where asymptotic length (L∞) was found 60 cm, growth rate (K) 0.33 per year, the longevity (T max) 9.09 years, and growth performance index (Φ′) 3.06. The length at first capture (Lc50 = 10.60 cm) was lower than the length at first maturity (Lm50 = 40 cm). Total mortality rate (Z) was calculated as 1.10 per year including natural mortality and fishing mortality. The exploitation rate (E=0.36) was found to be less than the maximum exploitation rate (E max = 0.44) and indicated that P. quadrifilis is not overexploited. The current exploitation rate should be maintained by sustainable fisheries measures including monitoring of fishing effort.